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Tauern Tunnel’s Second Tube Completely Driven and Secured using DSI Tunnel Solution Systems

Tauern Tunnel’s Second Tube Completely Driven and Secured using DSI Tunnel Solution Systems Tauern Tunnel’s Second Tube Completely Driven and Secured using DSI Tunnel Solution Systems Tauern Tunnel’s Second Tube Completely Driven and…

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New Delivery Contracts for Coal Mines in the Appalachian Mountains

New Delivery Contracts for Coal Mines in the Appalachian Mountains New Delivery Contracts for Coal Mines in the Appalachian Mountains New Delivery Contracts for Coal Mines in the Appalachian Mountains Coal mines of the James River Coal…

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DSI develops innovative Manx Bolt for the Beltana Coal Mine in New South Wales

DSI develops innovative Manx Bolt for the Beltana Coal Mine in New South Wales DSI develops innovative Manx Bolt for the Beltana Coal Mine in New South Wales DSI develops innovative Manx Bolt for the Beltana Coal Mine in New South…

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DSI Mining Products Secure Underground Observatory in Canada

DSI Mining Products Secure Underground Observatory in Canada DSI Mining Products Secure Underground Observatory in Canada DSI Mining Products Secure Underground Observatory in Canada DSI Mining Products Secure Underground Observatory…

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DSI Fiberglass Rebars secure gold mine in Canada

DSI Fiberglass Rebars secure gold mine in Canada DSI Fiberglass Rebars secure gold mine in Canada DSI Fiberglass Rebars secure gold mine in Canada DSI Fiberglass Rebars secure gold mine in Canada DSI Fiberglass Rebars secure gold mine…

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Cerro Vanguardia, Province Santa Cruz Argentina

Cerro Vanguardia, Province Santa Cruz Argentina Cerro Vanguardia, Province Santa Cruz Argentina Cerro Vanguardia, Province Santa Cruz Argentina Cerro Vanguardia, Province Santa Cruz Argentina Cerro Vanguardia, Province Santa Cruz…

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New service tunnel extended using steel liner plates and innovative grout pumps supplied by DSI Underground

New service tunnel extended using steel liner plates and innovative grout pumps supplied by DSI Underground New service tunnel extended using steel liner plates and innovative grout pumps supplied by DSI Underground New service tunnel…

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Extension of the underground line from Ládvi to Letnany in Prague

Extension of the underground line from Ládvi to Letnany in Prague Extension of the underground line from Ládvi to Letnany in Prague Extension of the underground line from Ládvi to Letnany in Prague Extension of the underground line…

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Corroded Mining Elements replaced with Double Corrosion Protected DSI Rock Bolts

Corroded Mining Elements replaced with Double Corrosion Protected DSI Rock Bolts Corroded Mining Elements replaced with Double Corrosion Protected DSI Rock Bolts Corroded Mining Elements replaced with Double Corrosion Protected DSI…

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DSI Australia supply ground support products to Kazakhstan

DSI Australia supply ground support products to Kazakhstan DSI Australia supply ground support products to Kazakhstan DSI Australia supply ground support products to Kazakhstan DSI Australia supply ground support products to Kazakhstan…

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Mining for oil

Mining for oil Mining for oil Mining for oil Mining for oil Mining for oil Mining for oil Mining for oil Mining for oil Mining for oil Mining for oil Mining for oil Greybull Petroleum, Greybull, WY, USA The method of collecting oil…

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First-time delivery of DSI Australia mining products to Turkey

First-time delivery of DSI Australia mining products to Turkey First-time delivery of DSI Australia mining products to Turkey First-time delivery of DSI Australia mining products to Turkey First-time delivery of DSI Australia mining…

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DSI Australia assists with the expansion of PT Freeport Indonesia

DSI Australia assists with the expansion of PT Freeport Indonesia DSI Australia assists with the expansion of PT Freeport Indonesia DSI Australia assists with the expansion of PT Freeport Indonesia DSI Australia assists with the…

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First application of OMEGA Bolts in Australia

First application of OMEGA Bolts in Australia First application of OMEGA Bolts in Australia First application of OMEGA Bolts in Australia First application of OMEGA Bolts in Australia First application of OMEGA Bolts in Australia The…

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Reinforcement and Support Systems for Construction of Lainzer Tunnel in Vienna

Reinforcement and Support Systems for Construction of Lainzer Tunnel in Vienna Reinforcement and Support Systems for Construction of Lainzer Tunnel in Vienna Reinforcement and Support Systems for Construction of Lainzer Tunnel in…

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Successful Technical Cooperation Leads to Supply Contract for Mining Products

Successful Technical Cooperation Leads to Supply Contract for Mining Products Successful Technical Cooperation Leads to Supply Contract for Mining Products Successful Technical Cooperation Leads to Supply Contract for Mining Products…

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Koralm Railway Tunnel, Exploratory Tunnel Paierdorf, Austria

Koralm Railway Tunnel, Exploratory Tunnel Paierdorf, Austria Koralm Railway Tunnel, Exploratory Tunnel Paierdorf, Austria Koralm Railway Tunnel, Exploratory Tunnel Paierdorf, Austria Koralm Railway Tunnel, Exploratory Tunnel Paierdorf,…

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The North West Rail Link in Sydney: DSI supplies Quality Products for fully-automated Rapid Transit Rail System

The North West Rail Link in Sydney: DSI supplies Quality Products for fully-automated Rapid Transit Rail System The North West Rail Link in Sydney: DSI supplies Quality Products for fully-automated Rapid Transit Rail System The North…

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Safe Deep Mining with DSI Products: Turquoise Ridge Mine

Safe Deep Mining with DSI Products: Turquoise Ridge Mine Safe Deep Mining with DSI Products: Turquoise Ridge Mine Safe Deep Mining with DSI Products: Turquoise Ridge Mine Safe Deep Mining with DSI Products: Turquoise Ridge Mine Safe…

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DSI Chile contributes to the successful Development of a new Gold Mine

DSI Chile contributes to the successful Development of a new Gold Mine DSI Chile contributes to the successful Development of a new Gold Mine DSI Chile contributes to the successful Development of a new Gold Mine DSI Chile contributes…

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DYWI® Drill Hollow Bars Stabilize Fault Zone of a Canadian Mine

DYWI® Drill Hollow Bars Stabilize Fault Zone of a Canadian Mine DYWI® Drill Hollow Bars Stabilize Fault Zone of a Canadian Mine DYWI® Drill Hollow Bars Stabilize Fault Zone of a Canadian Mine DYWI® Drill Hollow Bars Stabilize Fault…

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DYWI®-Drill-Anchors-and-AT-Pipe-Advance-Work-for-Algiers-Metro

DYWI® -Drill-Anchors-and-AT-Pipe-Advance-Work-for-Algiers-Metro DYWI® -Drill-Anchors-and-AT-Pipe-Advance-Work-for-Algiers-Metro DYWI® -Drill-Anchors-and-AT-Pipe-Advance-Work-for-Algiers-Metro DYWI®

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Construction of a New Import and Export Facility in Newcastle, NSW, Australia

Construction of a New Import and Export Facility in Newcastle, NSW, Australia Construction of a New Import and Export Facility in Newcastle, NSW, Australia Construction of a New Import and Export Facility in Newcastle, NSW, Australia…

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DSI Mining Canada optimizes Operations

DSI Mining Canada optimizes Operations DSI Mining Canada optimizes Operations DSI Mining Canada optimizes Operations DSI Mining Canada optimizes Operations DSI Mining Canada optimizes Operations DSI Mining Canada optimizes Operations…

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Underground Expansion of an Open Pit Mine using DSI Mining Products

Underground Expansion of an Open Pit Mine using DSI Mining Products Underground Expansion of an Open Pit Mine using DSI Mining Products Underground Expansion of an Open Pit Mine using DSI Mining Products Ernest Henry Mine, a…

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DSI Solves Water Inflow Problem at Campo Morado Mine

DSI Solves Water Inflow Problem at Campo Morado Mine DSI Solves Water Inflow Problem at Campo Morado Mine DSI Solves Water Inflow Problem at Campo Morado Mine DSI Solves Water Inflow Problem at Campo Morado Mine DSI Solves Water Inflow…

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Avoiding Traffic Jams with ALWAG Systems: New Tram Line in Linz

Avoiding Traffic Jams with ALWAG Systems: New Tram Line in Linz Avoiding Traffic Jams with ALWAG Systems: New Tram Line in Linz Avoiding Traffic Jams with ALWAG Systems: New Tram Line in Linz Avoiding Traffic Jams with ALWAG Systems:…

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Mexico: OMEGA-BOLT® Technology for Precious Metal Mine of International Standing

Mexico: OMEGA-BOLT® Technology for Precious Metal Mine of International Standing Mexico: OMEGA-BOLT® Technology for Precious Metal Mine of International Standing Mexico: OMEGA-BOLT® Technology for Precious Metal Mine of International…

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ALWAG Systems for the M6 in Hungary

ALWAG Systems for the M6 in Hungary ALWAG Systems for the M6 in Hungary ALWAG Systems for the M6 in Hungary ALWAG Systems for the M6 in Hungary ALWAG Systems for the M6 in Hungary ALWAG Systems for the M6 in Hungary ALWAG Systems for…

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Modern Gold Rush: DSI Australia supports Gold Producers with new Warehouse

Modern Gold Rush: DSI Australia supports Gold Producers with new Warehouse Modern Gold Rush: DSI Australia supports Gold Producers with new Warehouse Modern Gold Rush: DSI Australia supports Gold Producers with new Warehouse The city…

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Tunnel avoids Landslide: DSI supplies Quality Systems for By-Pass

Tunnel avoids Landslide: DSI supplies Quality Systems for By-Pass Tunnel avoids Landslide: DSI supplies Quality Systems for By-Pass Tunnel avoids Landslide: DSI supplies Quality Systems for By-Pass Tunnel avoids Landslide: DSI supplies…

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Travelling Faster with DSI: Gautrain High Speed Train

Travelling Faster with DSI: Gautrain High Speed Train Travelling Faster with DSI: Gautrain High Speed Train Travelling Faster with DSI: Gautrain High Speed Train Travelling Faster with DSI: Gautrain High Speed Train Travelling Faster…

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New Tunnel underneath Niagara Falls Built with DSI and ACI: Natural Wonder and Energy Source

New Tunnel underneath Niagara Falls Built with DSI and ACI: Natural Wonder and Energy Source New Tunnel underneath Niagara Falls Built with DSI and ACI: Natural Wonder and Energy Source New Tunnel underneath Niagara Falls Built with…

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Short Cut with DSI: Construction of the San Cristóbal Tunnel in Santiago de Chile

Short Cut with DSI: Construction of the San Cristóbal Tunnel in Santiago de Chile Short Cut with DSI: Construction of the San Cristóbal Tunnel in Santiago de Chile Short Cut with DSI: Construction of the San Cristóbal Tunnel in…

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DSI Australia Develops new Dynamic Bolt for Seismic Stability in Deep Mines

DSI Australia Develops new Dynamic Bolt for Seismic Stability in Deep Mines DSI Australia Develops new Dynamic Bolt for Seismic Stability in Deep Mines DSI Australia Develops new Dynamic Bolt for Seismic Stability in Deep Mines DSI…

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Encapsulation Trial of Resin Cartridges in Mines

Encapsulation Trial of Resin Cartridges in Mines Encapsulation Trial of Resin Cartridges in Mines Encapsulation Trial of Resin Cartridges in Mines A strongly corrosive environment caused by geological influences characterizes the…

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More Coal with DSI: Extension of Cook Colliery in Australia

More Coal with DSI: Extension of Cook Colliery in Australia More Coal with DSI: Extension of Cook Colliery in Australia More Coal with DSI: Extension of Cook Colliery in Australia Rising petrol prices govern our time. This is one of…

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Supply of Special Products for Australia’s Longest Road Tunnel in Brisbane

Supply of Special Products for Australia’s Longest Road Tunnel in Brisbane Supply of Special Products for Australia’s Longest Road Tunnel in Brisbane Supply of Special Products for Australia’s Longest Road Tunnel in Brisbane Supply of…

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Faster Public Transport in Brisbane: DSI Supplies Systems for Bus Tunnel

Faster Public Transport in Brisbane: DSI Supplies Systems for Bus Tunnel Faster Public Transport in Brisbane: DSI Supplies Systems for Bus Tunnel Faster Public Transport in Brisbane: DSI Supplies Systems for Bus Tunnel Faster Public…

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DYWIDAG Anchors secure new Subway Tunnel

DYWIDAG Anchors secure new Subway Tunnel DYWIDAG Anchors secure new Subway Tunnel DYWIDAG Anchors secure new Subway Tunnel DYWIDAG Anchors secure new Subway Tunnel DYWIDAG Anchors secure new Subway Tunnel DYWIDAG Anchors secure new…

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Construction of the Augustaburg Tunnel on the new Nuremberg-Berlin High-Speed Railway Line

Construction of the Augustaburg Tunnel on the new Nuremberg-Berlin High-Speed Railway Line Construction of the Augustaburg Tunnel on the new Nuremberg-Berlin High-Speed Railway Line Construction of the Augustaburg Tunnel on the new…

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Rehabilitation Works during Construction of the Chienberg Tunnel, Sissach

Rehabilitation Works during Construction of the Chienberg Tunnel, Sissach Rehabilitation Works during Construction of the Chienberg Tunnel, Sissach Rehabilitation Works during Construction of the Chienberg Tunnel, Sissach…

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Dublin Port Tunnel

Dublin Port Tunnel Dublin Port Tunnel Dublin Port Tunnel Dublin Port Tunnel Dublin Port Tunnel Dublin Port Tunnel Dublin Port Tunnel Dublin Port Tunnel Dublin Port Tunnel The booming economy in Ireland has lead to increases in traffic…

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DYWI® Drill Hollow Bars secure Greece's Egnatia freeway project

DYWI® Drill Hollow Bars secure Greece's Egnatia freeway project DYWI® Drill Hollow Bars secure Greece's Egnatia freeway project DYWI® Drill Hollow Bars secure Greece's Egnatia freeway project DYWI® Drill Hollow Bars secure Greece's…

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DYWIDAG Systems support the greatest tunneling site on earth

DYWIDAG Systems support the greatest tunneling site on earth DYWIDAG Systems support the greatest tunneling site on earth DYWIDAG Systems support the greatest tunneling site on earth DYWIDAG Systems support the greatest tunneling site…

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17,000 m DYWI® Drill Hollow Bars deep beneath Downtown London

17,000 m DYWI® Drill Hollow Bars deep beneath Downtown London 17,000 m DYWI® Drill Hollow Bars deep beneath Downtown London 17,000 m DYWI® Drill Hollow Bars deep beneath Downtown London 17,000 m DYWI® Drill Hollow Bars deep beneath…

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Rocbolt Technologies expands Resin Production in South Africa

Rocbolt Technologies expands Resin Production in South Africa Rocbolt Technologies expands Resin Production in South Africa Rocbolt Technologies expands Resin Production in South Africa Recently, a survey was undertaken to identify…

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DYWI® Drill Hollow Bar meets new geological and geotechnical challenges

DYWI® Drill Hollow Bar meets new geological and geotechnical challenges DYWI® Drill Hollow Bar meets new geological and geotechnical challenges DYWI® Drill Hollow Bar meets new geological and geotechnical challenges DYWI® Drill Hollow…

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Tunnel Segments joined with DYWIDAG Strand Tendons: The Øresund Crossing

Tunnel Segments joined with DYWIDAG Strand Tendons: The Øresund Crossing Tunnel Segments joined with DYWIDAG Strand Tendons: The Øresund Crossing Tunnel Segments joined with DYWIDAG Strand Tendons: The Øresund Crossing Sweden and…

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DB German Rail, New track project Cologne - Rhein/Main Section MITTE, Subsection B, Germany

DB German Rail, New track project Cologne - Rhein/Main Section MITTE, Subsection B, Germany DB German Rail, New track project Cologne - Rhein/Main Section MITTE, Subsection B, Germany DB German Rail, New track project Cologne -…

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New Hybrid Anchor Plates: The Verwall Suspension Bridge near St. Anton am Arlberg

New Hybrid Anchor Plates: The Verwall Suspension Bridge near St. Anton am Arlberg New Hybrid Anchor Plates: The Verwall Suspension Bridge near St. Anton am Arlberg New Hybrid Anchor Plates: The Verwall Suspension Bridge near St. Anton…

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DYWIDAG Systems stabilize the largest Excavation for a Single Project in South Africa: The new Discovery Office Building

DYWIDAG Systems stabilize the largest Excavation for a Single Project in South Africa: The new Discovery Office Building DYWIDAG Systems stabilize the largest Excavation for a Single Project in South Africa: The new Discovery Office…

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DSI Underground Ground Support Products stabilize the Advancement of Tunnel Structures on the Bar-Boljare Motorway

DSI Underground Ground Support Products stabilize the Advancement of Tunnel Structures on the Bar-Boljare Motorway DSI Underground Ground Support Products stabilize the Advancement of Tunnel Structures on the Bar-Boljare Motorway DSI…

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New High Speed Railway Section with GEWI® Plus Micropiles: Extension of the Nordbahn near Vienna

New High Speed Railway Section with GEWI® Plus Micropiles: Extension of the Nordbahn near Vienna New High Speed Railway Section with GEWI® Plus Micropiles: Extension of the Nordbahn near Vienna New High Speed Railway Section with GEWI®

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27m long AT – 139 Pipe Umbrella stabilizes the Chinatown Station Cross-Cut in San Francisco

27m long AT – 139 Pipe Umbrella stabilizes the Chinatown Station Cross-Cut in San Francisco 27m long AT – 139 Pipe Umbrella stabilizes the Chinatown Station Cross-Cut in San Francisco 27m long AT – 139 Pipe Umbrella stabilizes the…

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Injection Resins Stabilize Brown Coal Extraction at the Cayirhan Mine, Turkey

Injection Resins Stabilize Brown Coal Extraction at the Cayirhan Mine, Turkey Injection Resins Stabilize Brown Coal Extraction at the Cayirhan Mine, Turkey Injection Resins Stabilize Brown Coal Extraction at the Cayirhan Mine, Turkey…

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DSI Underground supplies high-quality Ground Support Products for the new Ottawa Light Rail Transit Confederation Line

DSI Underground supplies high-quality Ground Support Products for the new Ottawa Light Rail Transit Confederation Line DSI Underground supplies high-quality Ground Support Products for the new Ottawa Light Rail Transit Confederation…

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BULLFLEX® O-Ring Sealings ensure a safe Entering and Exiting of Tunnel Boring Machines during the Construction of the Emscher Canal

BULLFLEX® O-Ring Sealings ensure a safe Entering and Exiting of Tunnel Boring Machines during the Construction of the Emscher Canal BULLFLEX® O-Ring Sealings ensure a safe Entering and Exiting of Tunnel Boring Machines during the…

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Major Order for the AT – Pipe Umbrella System with Squeezed Connection: The Eglinton Crosstown Light Rail Transit Project in Toronto

Major Order for the AT – Pipe Umbrella System with Squeezed Connection: The Eglinton Crosstown Light Rail Transit Project in Toronto Major Order for the AT – Pipe Umbrella System with Squeezed Connection: The Eglinton Crosstown Light…

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DYWI® Drill Hollow Bar Anchors ensure fast Site Development at the Borden Gold Mine in Canada

DYWI® Drill Hollow Bar Anchors ensure fast Site Development at the Borden Gold Mine in Canada DYWI® Drill Hollow Bar Anchors ensure fast Site Development at the Borden Gold Mine in Canada DYWI® Drill Hollow Bar Anchors ensure fast Site…

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A safe Home for Bats: DSI Schaum Chemie stabilizes Nature Reserve in Poland

A safe Home for Bats: DSI Schaum Chemie stabilizes Nature Reserve in Poland A safe Home for Bats: DSI Schaum Chemie stabilizes Nature Reserve in Poland A safe Home for Bats: DSI Schaum Chemie stabilizes Nature Reserve in Poland A safe…

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Forepoling Systems for safe Excavation: The Quarters Tunnel on the new TransEd Valley Line LRT in Edmonton, AB

Forepoling Systems for safe Excavation: The Quarters Tunnel on the new TransEd Valley Line LRT in Edmonton, AB Forepoling Systems for safe Excavation: The Quarters Tunnel on the new TransEd Valley Line LRT in Edmonton, AB Forepoling…

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SCL Hong Kong: DSI Austria supplies Ground Support Products for Modern Transportation System

SCL Hong Kong: DSI Austria supplies Ground Support Products for Modern Transportation System SCL Hong Kong: DSI Austria supplies Ground Support Products for Modern Transportation System SCL Hong Kong: DSI Austria supplies Ground…

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DYWI® Drill Hollow Bars secure tunnel for ICE high speed railway

DYWI® Drill Hollow Bars secure tunnel for ICE high speed railway DYWI® Drill Hollow Bars secure tunnel for ICE high speed railway DYWI® Drill Hollow Bars secure tunnel for ICE high speed railway DYWI® Drill Hollow Bars secure tunnel…

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Construction of the Pforzheim Tunnel: DSI supplies Ground Support Products for the Karlsruhe-Muehlacker Train Section

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AT – Pipe Umbrella System with innovative Squeezed Connection stabilizesthe Advancement of Metro Line 4 in Paris

AT – Pipe Umbrella System with innovative Squeezed Connection stabilizesthe Advancement of Metro Line 4 in Paris AT – Pipe Umbrella System with innovative Squeezed Connection stabilizesthe Advancement of Metro Line 4 in Paris AT – Pipe…

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BULLFLEX® Roof Support Backfilling System: Repair of the Wingles Canal near Lille

BULLFLEX® Roof Support Backfilling System: Repair of the Wingles Canal near Lille BULLFLEX® Roof Support Backfilling System: Repair of the Wingles Canal near Lille BULLFLEX® Roof Support Backfilling System: Repair of the Wingles Canal…

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Complete System Solution for Application in highly weathered Rock Mass: DYWI® Drill Hollow Bar System for the Alejandría Hydropower Plant

Complete System Solution for Application in highly weathered Rock Mass: DYWI® Drill Hollow Bar System for the Alejandría Hydropower Plant Complete System Solution for Application in highly weathered Rock Mass: DYWI® Drill Hollow Bar…

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DSI Leading Provider for Platinum Mines in South Africa

DSI Leading Provider for Platinum Mines in South Africa DSI Leading Provider for Platinum Mines in South Africa DSI Leading Provider for Platinum Mines in South Africa DSI Leading Provider for Platinum Mines in South Africa DSI Leading…

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The Quellaveco Project: Copper Extraction in one of the World’s largest Mining Areas

The Quellaveco Project: Copper Extraction in one of the World’s largest Mining Areas The Quellaveco Project: Copper Extraction in one of the World’s largest Mining Areas The Quellaveco Project: Copper Extraction in one of the World’s…

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Systematic Safety: DSI supplies Complete Ground Control Solutions for the Pencaligue Hydroelectric Power Plant in Honduras

Systematic Safety: DSI supplies Complete Ground Control Solutions for the Pencaligue Hydroelectric Power Plant in Honduras Systematic Safety: DSI supplies Complete Ground Control Solutions for the Pencaligue Hydroelectric Power Plant…

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The Loboguerrero Tunnel Chain: DYWI® Drill Hollow Bar System ensures fast Construction Progress in difficult Ground

The Loboguerrero Tunnel Chain: DYWI® Drill Hollow Bar System ensures fast Construction Progress in difficult Ground The Loboguerrero Tunnel Chain: DYWI® Drill Hollow Bar System ensures fast Construction Progress in difficult Ground The…

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Fast Emergency Response: DSI DRILL TEK injects Wastewater System Shaft

Fast Emergency Response: DSI DRILL TEK injects Wastewater System Shaft Fast Emergency Response: DSI DRILL TEK injects Wastewater System Shaft Fast Emergency Response: DSI DRILL TEK injects Wastewater System Shaft Fast Emergency…

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DSI DRILL TEK Ltd. Supplies Specialty Systems for the World’s northernmost Mine

DSI DRILL TEK Ltd. Supplies Specialty Systems for the World’s northernmost Mine DSI DRILL TEK Ltd. Supplies Specialty Systems for the World’s northernmost Mine DSI DRILL TEK Ltd. Supplies Specialty Systems for the World’s northernmost…

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The Santa Rosa Tunnel: AT – Pipe Umbrella Support System permits Continuation of Excavation following Tunnel Collapse

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Excavation of Large-Scale Caverns in Difficult Ground Conditions

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The Ceneri Base Tunnel: DYWIT supplies Ground Support Products for Switzerland’s third largest Tunnel

The Ceneri Base Tunnel: DYWIT supplies Ground Support Products for Switzerland’s third largest Tunnel The Ceneri Base Tunnel: DYWIT supplies Ground Support Products for Switzerland’s third largest Tunnel The Ceneri Base Tunnel: DYWIT…

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Large Scale Energy Generation with DSI Systems: Ingula Pumped Storage Complex

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DSI – Leading Manufacturer of Underground Mining Products for Gold Mines in South Africa

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First Use of Friction Bolts in Spanish Mines

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Bingham Canyon Copper Mine, West Jordan: Expansion to Underground Mining with DSI Products for Ground Support

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Cable Bolts used for Lead Recovery at Brushy Creek Mine, USA

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Open roads in the South of Vienna GEWI® Bars Anchor the Underwater Concrete Slab of the new Rannersdorf S1 Tunnel

Open roads in the South of Vienna GEWI® Bars Anchor the Underwater Concrete Slab of the new Rannersdorf S1 Tunnel Open roads in the South of Vienna GEWI® Bars Anchor the Underwater Concrete Slab of the new Rannersdorf S1 Tunnel Open…

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Stabilization using the AT – Pipe Umbrella System: The New Kaiser Wilhelm Tunnel

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First Utilization of GEWI® Piles in India

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Stable Power Supply in Croatia: DSI delivers Special Systems for Service Tunnel

Stable Power Supply in Croatia: DSI delivers Special Systems for Service Tunnel Stable Power Supply in Croatia: DSI delivers Special Systems for Service Tunnel Stable Power Supply in Croatia: DSI delivers Special Systems for Service…

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The Petropolis Tunnel: A Fast and Safe Connection with Rio de Janeiro

The Petropolis Tunnel: A Fast and Safe Connection with Rio de Janeiro The Petropolis Tunnel: A Fast and Safe Connection with Rio de Janeiro The Petropolis Tunnel: A Fast and Safe Connection with Rio de Janeiro The Petropolis Tunnel: A…

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High Quality Marble from Slovenia: Safe Advance in Underground Mining with DSI

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The Obduro AP Coated OMEGA-BOLT®: Load-bearing Capacity in highly acidic Environments

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DSI Supplies Special Products for Stabilizing a Gold Mine in Turkey

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First application of DCP-Bolts in America

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A Technical Challenge: Extraction of Palladium and Platinum at Bathopele Mine, South Africa

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Improved safety with DYWIDAG Trusses

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DSI Preserves History: Stabilization of Historic State Coal Mine in Australia

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DSI Ground Support Safety-Wraps Limestone Pillars

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Development and Application of a flexible Combined Support System for Tunnel Rehabilitation

Development and Application of a flexible Combined Support System for Tunnel Rehabilitation Development and Application of a flexible Combined Support System for Tunnel Rehabilitation Development and Application of a flexible Combined…

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Lake Mead Intake Tunnel No. 3 stabilized using DSI Rock Support Products

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Fast Emergency Reaction: DSI Steel Ribs ensure Safe Advancement of the Drumanard Tunnel

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BULLFLEX® Hoses ensure the safe and flexible Rehabilitation of a Conveyor Tunnel at the Bingham Canyon Mine

BULLFLEX® Hoses ensure the safe and flexible Rehabilitation of a Conveyor Tunnel at the Bingham Canyon Mine BULLFLEX® Hoses ensure the safe and flexible Rehabilitation of a Conveyor Tunnel at the Bingham Canyon Mine BULLFLEX® Hoses…

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MGSD Bar

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Requirements

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THREADBAR® Hardware

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Support Types

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QUIK-GEL GOLD

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PENETROL®

Wetting Agent Description PENETROL, a water miscible, non-ionic wetting agent, is designed to counteract the sticking tendencies of clay. Applications/Functions Reduce or eliminate bit balling Reduce surface tension of drilling fluid,…

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Steel 4-Flange Liner Plates

Lattice Girders, Steel Arches & Props DSI Underground Canada selection of underground supports, the widest in the world, affords the contractor, the designer, and the owner a matchless combination of high performance and tunneling at…

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EZ-MUD® DP

Borehole Stabilizing Dry Polymer Description EZ-MUD DP is a free-flowing, dry granular synthetic polymer containing partially hydrolyzed polyacrylamide/ polyacrylate (PHPA) copolymer. EZ-MUD DP, a water-soluble polymer, disperses and…

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Margo Type Plugs

Margo Plugs - to seal drill holes tightening the nut expands the rubber sleeves plug is hollow for drainage ball valve (sold separately) may be threaded onto end Product No. Hole Diameter Pipe Size 18" 24" 36" 48" 60" 72" 84" 96" 108"…

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Typical Liner Plate Installations

Lattice Girders, Steel Arches & Props Three basic ways sof installing plates in tunnels or shafts are illustrated here; each has its advantage in a particular application or ground condition. Liner Plates Only The most obvious…

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VK Grout Plugs - Type A

VK Grout Plugs Product No. Hole Diameter Pipe Size 13" 17" 21" 24" 30" 36" 48" 60" 72" 84" 96" A125L-A125R 1-1/4" 1/2" x - - x - x x x x x x A138L-A138R 1-3/8" 1/2" x - - x - x x x x x x A150L-A150R 1-1/2" EX 1/2" x - - x - x x x x x x…

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Mastercast and Traditional Overcasts

Lattice Girders, Steel Arches & Props Mastercast Rapid Assembly as few as six major pieces All sizes available in 12 inch increments Reusable and galvanized panels Chanel ends for wingwalls Light and Heavy Duty versions Ships complete…

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Drill Hole Safety Plug

Safety Plug Product Number Drill Hole Size Item P-125 XRP Safety Plug P-138 1-3/8" Safety Plug P-150 EX Safety Plug P-175 1-3/4" Safety Plug P-187 AQ Safety Plug P-200 2" Safety Plug P-212 2-1/8" Safety Plug P-238 BQ Safety Plug P-300…

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4 bar type

Lattice Girders, Steel Arches & Props Lattice Girder Bar Material: Tensile Strength 80ksi (550 MPa) min. Yield Strength 70ksi (480 MPa) min. Elongation 10% Minimum Connecting Bolts: ASTM A 325N Ø3/4"minimum O.P. Type 0 [mm] S Bar Size…

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Accessories Used with Ribs

Lattice Girders, Steel Arches & Props Butt Joint Butt plate height: Rib Depth plus 1" Width: Flange width plus 1" Thickness: 4" and 5” sections – 3/8" 6" sections – 1/2" 8" sections – 5/8" 10” sections – 3/4" 12" sections – 1" Bolt…

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Scaling Bars

Eyebolts, Scaling Bars & Utility Hangers Hexagonal Solid Steel AISI 1080 or equivalent steel T = 7/8” hex (3/4” special order) weight = 2.3 lbs/ft angle chisel on one end moil point (shown) or end straight chisel on other end optional…

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Keyhole Brackets

Eyebolts, Scaling Bars & Utility Hangers Keyhole Brackets Service Line Keyhole Brackets are used in conjunction with service line slots, which are pre-punched in W-Strap vee’s. The Keyhole Brackets are used for suspension of light mine…

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Utility Hangers

Eyebolts, Scaling Bars & Utility Hangers Pipehanger (J-Bolt) - for 3/16" chain or 1/4" chain 1060 material (100,000 psi) E = Ø 9/16" L = 18" and 24" overall rated for 2,000 lbs Bullhorn - square timber support 44W material (60,000 psi)…

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Steel Rib supports

Lattice Girders, Steel Arches & Props *Other variations available on request. DSI Underground Canada Ltd. can bend I, WF, H sections ranging from 4" to 27" in depth (DSI Underground has formed W14x287 lb ft with 2" flanges). Curvatures…

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Adjustable Support Jacks

Lattice Girders, Steel Arches & Props FastJax 12" Adjustable Tops 100 Ton Yield Strength Available in 6" increments from 4' to 9' high Can be fitted with yieldable dish, yolk to suit box beam or flat plate top No loose pieces or grout…

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Drilling Consumables

Tools & Hardware, Drilling Consumables Drill Rods   For dry drilling – fabricated scroll or twisted scalloped type pinned or threaded joints available different drive ends to suit bolter ( 7/8" hex, square drive, etc)   Drill Bits…

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Surface Control Plates

Mesh, Straps & Plate Washers - Surface Control Plates 23" and 19" General Information the 23" diameter is "special" order the 19" diameter is stock production all plates have the "rolled edge" to provide for safe handling large…

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Butterfly Plate

Grade rated plates Length x Width Thickness Hole Diameter Net weight black Net weight galv. 300 x 278mm 12 x 11inch 1.9 mm 50 mm = 2 inch 2.87 lbs 2.95 lbs 400 x 278mm 15.75 x 11inch 1.9 mm 50 mm = 2 inch 3.73 lbs 3.83 lbs Product…

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Shotcrete (Spider) Plate (Black and Galvanized)

Shotcrete Plate Dimensions Center Hole Form Weight 5" x 5" x 1/4" 1.2" Flat 4.5 lbs 6" x 6" x 1/4" 1.2" Flat 6.4 lbs 5" x 5" x 3/8" 1.2" Flat 9.6 lbs Custom sizes available upon request Description DSI Underground shotcrete anchor…

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Polymesh

Polyester Mesh DSI Underground Grades tensile strength (ASTM-D4595) tensile strength (ASTM-D4595) tensile strength (ASTM-D4595) tensile strength (ASTM-D4595) tensile strength (ASTM-D4595) minimum aperture size weight (ASTM-D5261) All…

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Roof Channel

Mesh, Straps & Plate Washers Roof Channel 2 material grades - A36 and 65000psi minimum yield Length and hole spacing - to customer specifications Width - nominal 5-1/2 inches Thickness T-2 - minimum 0.100 inch T-3 - minimum 0.125 inch…

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Bearing Plates (washers)

Bearing Plates Flat Plate - for general use minimum A-36 material (36,000 psi yield) A = 4” to 12” square B = 1/8” to 1-1/2” thick C = hole diameter as required bent corner, grout slots & keyholes available Domed Plate - use with…

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Polymer Mining Grid

Polymer Grid Physical Characteristics Test Methods Data Structure Bi-Oriented Geogrids Mesh Type Rectangular Apertures Standard Color White Polymer Type Polypropylene Carbon Black Content ASTM D4218 No Flame Retardant ISO 9705 Yes…

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Shotcrete Mesh Panels

Mesh Shotcrete Mesh Panels are constructed with black or galvanized mesh and burlap cloth. Stiffeners are incorporated for three-dimensionable stability. The panels can be various sizes depending on application. They are lightweight…

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Straps (Mats)

Straps W-Strap (Mat) T = 12, 14, 16 gauge W = 5” to 13” L = 54” to 240” C = hole size/spacing to customer specs Rock Bolt Strap A36 material (36,000 psi yield) T = 12 gauge to  1/4” W= 4” to 8” L = 48” to 120” C = hole/slot…

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Gun Quip Wall & Support System

Support System Shotcrete panel ventilation walls - temporary or permanent. fireproof underground work shops and offices. provides rock support with rock bolt installation protective reinforcing around elevators and shafts. extra…

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Fibreglass Dowel

Threaded & Ribbed FRP Dowels Fibreglass Dowel Fully Formed Physical Properties 12.5 Tonne Dowel 15 Tonne Dowel 20 Tonne Dowel 30 Tonne Dowel 38 Tonne Dowel Ultimate Tensile Strength 125 kN 150 kN 200 kN 300 kN 380 kN Nut/Thread Tensile…

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Cement Cartridges

Non-shrink cementitious anchor grout Uses Cement cartridges were developed to anchor mine and tunnel rock bolts (rebar and threadbar) and to anchor steel dowels in concrete. Advantages Convenient easy to handle cartridge form Fast…

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Cable Slings

Trusses & Slings Cable Length and Spacing Distance Between Holes Drill Hole Length Total Length of Cable 11.5' (3.5 m) 8' (2.4 m) 27.5' (8.3 m) 13.1' (4.0 m) 8' (2.4 m) 29.1' (8.8 m) 14.8' (4.5 m) 8' (2.4 m) 30.8' (9.3 m) 16.4' (5.0 m)…

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DYNA® Tork Bolt

Speciality Bolts 1055 Modified Steel Elongation 10% 10% Yield Strength 448 MPa 93 kN 65.000psi 20,904 lb Ultimate Tensile Strenght  660 MPa 143 kN  65,700 psi 32,160 lb Recommended Domed Washer Plate 6.3 mm x 150 mm x 150 mm  1/4" x 6"…

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Mesh

Mesh, Straps & Plate Washers Welded Wire Mesh to ASTM A185 specifications wire to ASTM A82 specs (75,000 psi tensile) minimum weld shear strength (lbs) = 35,000 x wire cross sectional area (in 2 ) ends flush cut for safer handling…

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Formed Mesh

Mesh, Straps & Plate Washers - Formed Mesh Mesh Channels For construction of shotcrete barricades and fill fences mesh to ASTM A185 specifications wire strand to ASTM A82 specifications (75,000 psi tensile minimum) minimum weld shear…

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Trusses and Slings

Trusses & Slings Bar Sling Full Load Truss coupler Torque wrench to tension truss at coupler Patented in US and Canada Cable Truss Full load "dog-bone" coupler Hydraulic jack to tension Ring-eye plate or wood at bends to transfer…

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Liner Plates

General Requirements for Liner Plates DSI Underground's selection of underground supports, the widest in the world, affords the contractor, the designer, and the owner a matchless combination of high performance and tunneling at low…

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All Thread Rebar

Grade 690 Rebar Nominal 5/8" (15 mm) through 1-1/4" (32 mm) Dimensions #5 #6 #7 #8 #10 Nominal Diameter E 5/8 ” (15 mm) 3/4” (19 mm) 7/8” (22 mm) 1” (25 mm) 1-1/4” (32 mm) Thread Diameter F  3/4” (19.0 mm) 7/8” (22.2 mm) 1” (25.4 mm)…

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OMEGA-BOLT® Coatings

Custom Protective Coatings In general, regular expandable rock bolts are not resistant to corrosive environments. To alleviate this problem in mining and tunneling applications, DSI Underground is using a special coating that isolates…

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THREADBAR® Hardware

Black & Galvanized Hardware Hardware #6 #7 #8 #10 #11 #14 Anchornut stock stock stock  stock stock n/a Hex Nut - Cast stock stock stock stock stock n/a Hex Nut - Machined special order special order special order special order special…

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Omega Pump

OMEGA-BOLT® Inlet Air Pressure Range Outlet water psi 70 to 100 psi 280 to 300 bar (4060 to 4350 psi) Downloads DSI Underground Mining and Tunneling Products Catalogue 01 March 2017   10.72 MB Download more …   Projects DSI Underground…

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THREADBAR® Torque Tension Relationship

THREADBAR® Downloads DSI Underground Mining and Tunneling Products Catalogue 01 March 2017   10.72 MB Download more …   Projects DSI Underground Image Trailer

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HI-TEN Strand Bolt

Cable Bolts Physical Properties Yield Strength 108,000 lbs Ultimate Tensile Strength 124,000 lbs Uniform Elongation 3-4% Mass Per ft 1.90lb Cable (Strand) Diameter 0.9" General Features The DSI Underground HI-TEN Strand Bolt is a cable…

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Applications

Lattice Girders - 3 Bar / 4 Bar Lattice Girders used in combination with shotcrete support DSI Underground has been a leader in the development and manufacturing of underground support systems for over 80 years and has been producing…

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Operating Procedure

For intensified cable truss tensioner Ensure that all hydraulic fittings are tightened before operation, and that the unit is in good working order. Check the following: There are no major dents in the housing. That the autogripper…

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Wedge Anchorage

Cable Bolts The Wedge Anchorage of the Cable Bolt The anchorage of most cable bolts consists of a wedge barrel and a 2- or 3-part wedge. The wedge segments grip the cable by means of tooth shaped threads which are forced into the…

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Cable Tensioner Mark2

For tensioning cables and installing plates Specifications A light weight and unique way for pre-loading cable bolts, the DSI Underground Cable Tensioner Mark2 grips the end of the cable bolt and tensions it, leaving only a short tail…

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CBJ-1 Tensioning Jack

Plain Cable Bolt For installation of bearing plates Specifications for 0.6" (15.2 mm) or 0.7" (17.8 mm) cable bolts maximum load 25 ton @ 10,000 psi (225 kN @ 70 MPa) stroke = 3" (75 mm) double acting hollow core ram aluminum…

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Wallplate Beams

Lattice Girders - 3 Bar / 4 Bar Wallplate Beams - Lattice Girders remain as reinforcement The 4-Bar Girders are also used as longitudinal wall plates for heading and bench advances. They serve as bases and fixed points for the height…

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Torque Tension Relationship for CB1-1

Cable Jack with 3.4:1 Intensifier Specifications for 0.6" (15.2 mm) or 0.7" (17.8 mm) cable bolts stroke = 3" (75 mm) double acting hollow core ram aluminum construction - weighs only 10 lbs (4.5 kg) requires double acting hydraulic…

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Installation Accessories

Cable Bolts End Holding Device - conventional style to hold cable bolt prior to grouting 2 straps 3/4” x 2-2/3” (19 mm x 70 mm) suitable for 2” (51 mm) to 2.5” (64 mm) hole can be ordered separately and site installed  if factory…

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Installation Accessories

Rebar Rock Bolts Nuts Domenuts for 3/4” thread A.F. = 1-1/8” square for 7/8” thread A.F. = 1-1/8” square for 1” thread A.F. = 1-5/8” hex Plain Nuts - used with pinched thread for 3/4” thread A.F. = 1-1/8” square for 7/8” thread A.F. =…

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Advantages / Fabrication

Lattice Girders 3 Bar / 4 Bar Advantages Advantages with the use of Lattice Girders Lattice girders provide the following advantages: Immediate roof support over the excavated section. Act as a template assuring a minimum thickness…

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Cable Bolt

Passive and Tensionable Cable Bolts tensionable passive Bond Head at end to fit specific Hole diameter 0.6" or 0.7" Passive and Tensionable Cable Diameter 0.6" gr270 0.7" gr270 Weight 0.74 lbs/ft 1.11 lbs/ft Bore Hole Diameter 1" to…

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Posimix Resin Bolt System

Posimix Bolt General Features Manufacture of the "posimix" bolt is the addition of a specially designed spring wire attached to the up hole end of many of DSI Underground rock bolts. The "posimix" bolting system was designed to assist…

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D-Dome Rebar Rockbolts

Regular head for comparison  #7 (22m) and #8 (25m) D-Dome head for comparison Dimensions and Regulatory Requirements see Rebar Rockbolts page for size and regulatory requirement characteristics of D-Dome Rebar Rockbolts Technical…

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Installation Quality Guidelines

Mechanical Rock Bolts The following are items to be aware of when installing mechanical rock bolts (forged head and threaded both end [TBE] bolts): Type of Ground  - The nature of the ground must be evaluated. Soft strata requires a…

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Installation Accessories

Mechanical Rock Bolts Expansion Shells for 5/8" & 3/4" UNC threads & 7/8" where applicable Ø = 1-1/32" (26 mm) hole size: model F1F, L = 3-1/4" Ø = 1-1/4" (32 mm) hole size: model F1-1/4B, L = 3-1/4" Ø = 1-3/8" (35 mm) hole size: model…

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Support Types

Steel Rib Support Types DSI Underground can bend I, WF, H sections ranging from 4" to 27" in depth (DSI Underground has formed W14x287 lb ft with 2" flanges). Curvatures range from a minimum radius of 10 times the beam depth for 4" and…

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General

THREADBAR® System Rock and Soil Anchors System Description DSI Underground was a pioneer in the development of rock and soil anchor systems and technology for the Tunneling and Mining Industry. Today DSI Underground is a world leader…

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Ethics & Compliance

The DSI Underground Spirit - Our ethical values as embodied in DSI Underground's Code of Business Conduct DSI Underground is known all around the world as a strong business partner and supplier. Our customers like doing business with…

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THREADBAR® Hardware

Black & Galvanized Hardware Hardware #6 #7 #8 #10 #11 #14 Anchornut stock stock stock  stock stock n/a Hex Nut - Cast stock stock stock stock stock n/a Hex Nut - Machined special order special order special order special order special…

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Requirements

Lattice Girders - 3 Bar / 4 Bar General Requirements 1. All lattice girders shall consist of three or four primary retaining bars connected by stiffening elements of the manufacturer's design. The lattice girder will be designed to…

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Wallplate Beams

Lattice Girders - 3 Bar / 4 Bar Wallplate Beams - Lattice Girders remain as reinforcement The 4-Bar Girders are also used as longitudinal wall plates for heading and bench advances. They serve as bases and fixed points for the height…

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Liner Plates

General Requirements for Liner Plates DSI Underground's selection of underground supports, the widest in the world, affords the contractor, the designer, and the owner a matchless combination of high performance and tunneling at low…

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Applications

Lattice Girders - 3 Bar / 4 Bar Lattice Girders used in combination with shotcrete support DSI Underground has been a leader in the development and manufacturing of underground support systems for over 80 years and has been producing…

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THREADBAR® Properties

THREADBAR® #6 (19mm) through #14 (44mm)  Dimensions #6 #7 #8 #10 #11 #14 Nominal Bar Size E 3/4" (19 mm) 7/8" (22 mm) 1" (25 mm) 1-1/4" (32 mm) 1-3/8" (35 mm) 1-3/4" (44 mm) Max. Bar Diam. F 0.86" (21.8 mm) 0.99" (25.1 mm) 1.12" (28.4…

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Steel Lagging

Steel Support Interlocking Lagging Load Capacities in P.S.F. Rib Spacing 8 GA. 12 GA. 3'-0' C/C 1236 843 4'-0' C/C 695 474 5'-0' C/C 445 303 "C" Lagging Load Capacities in P.S.F. Rib Spacing 8 GA. 10 GA. 16 GA. 3'-0' C/C 2895 2391 1876…

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Server Error (404 - File not found)

Unfortunately, the page you requested is not available on the DSI Underground server. Please select from similar pages: Please select one of the following websites in order to continue your visit. Local DSI Underground websites for all…

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Locations

DSI Underground Worldwide DSI Underground develops, produces and supplies high quality products and systems for Underground Mining and Tunneling in more than 45 countries and in regional manufacturing sites. With our DSI Underground…

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Terms of Use

Terms of Use Please read before using this website. By using the DSI International Luxembourg SARL website, you agree to the following terms of use. If you do not agree with these terms, promptly discontinue use of this website and do…

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Imprint

Imprint Information provided according to Sec. 5 German Telemedia Act (TMG): DSI Underground GmbH Destouchesstrasse 68, 80796 Munich Germany Contact: Telephone: +49 89 309050 200 Email: [email protected] HRB: 229250 VAT Id…

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3 Bar / 4 Bar

Lattice Girders - 3 Bar / 4 Bar Lattice Girders / 3 Bars With spaced diagonals, 3 bars are assembled to form a girder. The single bar can be located against the ground or towards the inside of the tunnel, fitting a specified design…

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Mining Applications

Steel Support Mining Applications Portal Applications Integral Portal Support and Ventilation Structures Cambered Supports for Inseam Use Steel Arches for Slopes and High Fall Areas Downloads DSI Underground Mining and Tunneling…

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ISO Certificates

Download ISO Certificates ISO Certificates DSI Underground Canada Quality Management System ISO 9001:2015 - English 23 August 2018   230.79 KB Download DSI Underground Canada Quality Management System ISO 9001:2015 - Spanish 23 August…

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General Terms and Conditions

Terms and Conditions Download General Terms and Conditions Change Notices for Customers 21 September 2018   27.18 KB Download Terms and Conditions of Sale and Services 13 February 2018   245.38 KB Download Terms and Conditions of…

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Patents

Download Patents Patents DSI Underground Patent Rock Stabilizing Apparatus 30 May 2017   1.05 MB Download DSI Underground Patent Improved for Groundsupport rotatable 30 May 2017   2.01 MB Download   …

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General

THREADBAR® System Rock and Soil Anchors System Description DSI Underground was a pioneer in the development of rock and soil anchor systems and technology for the Tunneling and Mining Industry. Today DSI Underground is a world leader…

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General

THREADBAR® System Rock and Soil Anchors System Description DSI Underground was a pioneer in the development of rock and soil anchor systems and technology for the Tunneling and Mining Industry. Today DSI Underground is a world leader…

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DIAMOND SEAL®

Absorbent Polymer for Lost Circulation Description DIAMOND SEAL is a water-swellable but not water-soluble, 100% crystalline synthetic polymer. DIAMOND SEAL absorbs hundreds of times its own weight in water. It is intended for use…

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Tools & Hardware

Tools Miners Wrench Holder mild steel construction fits onto standard safety belts holds hammer head and regular wrench models Muck Scoop (Pelican Pick) with wooden handle replacement handles available L = 32" Raise Rascals (Folding…

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Grouting Pump Systems

ICTUS Pump System Pump Model ICT 060G Ratio : 8,1 Inlet Pressure : 4bar Output Pressure : 28bar Delivery JMin. Grout : 30 litres’ min. Delivery JMin. Water : 37 litres’ min Mixer Model ICT 5001 mixer Capacity : 3 HP  Bucket Capacity :…

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Civil Applications

Steel Support Applications Northeast Ohio Regional Swer District Mill Creek Tunnel - Phase #2 Cornish Construction, Manhatten Beach, CA Relieving Arches Downloads DSI Underground Mining and Tunneling Products Catalogue 01 March 2017  …

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Mining

Ground Support Products for Mining – We are your Partner for more Safety in Underground Mining As a globally leading producer and supplier of rock bolts and chemical construction materials for Mining, we are offering you reliable…

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Research & Development

Research and Development – Underground As the market leader, DSI Underground is present in all global underground regions, delivering customized solutions to clients around the world. DSI Underground research and development is…

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Rebar Rockbolts

Rebar Rockbolts (Forged Head & Threaded) #5 (15M), #6 (20M), #7 (22M) and #8 (25M) Forged Head Rebar Dimensions #5 (15M) #6 (20M) #7 (22M) #8 (25M) Nominal Bar Size E 0.625" (16 mm) 0.750" (19.5 mm) 0.875" (22.2 mm) 1.0" (25.2 mm) Head…

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Cable Bolts Plain & Bulb

Minicage Cable Bolts 0.5", 0.6" and 0.7" Plain Cable Bolt Dimensions 0.6" Cable Bolt 0.7" Cable Bolt Strand Diameter E 0.600" +0.026" -0.006" 15.24 mm +0.66 mm -0.15 mm 0.700" +0.026" -0.006" 17.78 mm +0.66 mm -0.15 mm Physical…

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Threaded Fiberglass Bolts

Nominal 3/4" (20 mm) & 1" (25 mm) Fiberglass Bolts Dimensions 3/4" (20 mm) Bolt 1" (25 mm) Bolt 1" (25 mm) Hollow Bolt  E  Diameter 3/4" (20 mm) 1" (25 mm) 1" (25 mm) F  Grout Hole Diameter not available not available not available E …

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SanJuan EZ TRUSS

Truss System ASTM F432 gr6 - Nominal 30 Ton Capacity The SanJuan EZ Truss combines ease of installation with superior support performance.  It can be installed safely from the bolter without exposure to unsupported roof at anytime.…

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History

Formation of the company Lang & Cie, Karlsruhe, Germany Gottlieb Widmann (left) & Eugen Dyckerhoff (right) Change of name to Dyckerhoff & Widmann AG Water Reservoir, Wiesbaden, Germany Rammed concrete, capacity: 4.300m 3 (5,600 cu.…

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Sustainability

DSI Underground makes a difference. We are committed to sustainability on all levels everywhere. Sustainability as a Corporate Principle For DSI Underground, sustainability is finding the right balance between financial and economic…

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International Organizations

International Organizations In order to always be close to our markets, implement new technologies and fully understand our customers´ requirements, DSI Underground maintains membership in various international associations such as:…

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Eyebolts

Eyebolts, Scaling Bars & Utility Hangers Butt Welded Eyebolt 44W material (60,000 psi) E = Ø 9/16 if 5/8"- 11 UNC thread  Ø 11/16 if 3/4" -10 UNC thread  L = 18" and 24" under eye  5/8" rated for 2,300 lbs 3/4" rated for 3,600 lbs…

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3 Bar / 4 Bar

Lattice Girders - 3 Bar / 4 Bar Lattice Girders / 3 Bars With spaced diagonals, 3 bars are assembled to form a girder. The single bar can be located against the ground or towards the inside of the tunnel, fitting a specified design…

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Tunneling

Ground Support Products for Tunneling – safe Heading with DSI Underground We supply our high quality Tunneling products and systems to clients around the world to make the Underground industry safer and to improve your working…

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Monitoring

Monitoring This page is for monitoring purposes, please don't remove it.

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THREADBAR® Properties

THREADBAR® #6 (19mm) through #14 (44mm)  Dimensions #6 #7 #8 #10 #11 #14 Nominal Bar Size E 3/4" (19 mm) 7/8" (22 mm) 1" (25 mm) 1-1/4" (32 mm) 1-3/8" (35 mm) 1-3/4" (44 mm) Max. Bar Diam. F 0.86" (21.8 mm) 0.99" (25.1 mm) 1.12" (28.4…

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HEA Mesh

Dynamic Bolts & Products - HEA Mesh Where ground conditions are rock-burst prone and challenging, HEA mesh by DSI Underground provides improved surface containment with the addition of prelaced wire strand. In dynamic conditions where…

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FASLOC® X-Treme Resin Cartridges

Polyester Resin Anchoring System A. THE CARTRIDGE Description The FASLOC®  resin in the cartridge is used to anchor bolts to the surrounding strata. This unification of the resin, bolt and strata layers provides the necessary strength…

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Yield-Lok Bolt

Dynamic Bolts & Products - Yield-Lok Bolt Design and Components Yield-Lok bolt is made of 3/4” - Gr75 steel round bar. The bar is upset at one end to specified dimensions to achieve designed performance under static and dynamic. Upset…

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DYNA® Tork Bolt

Dynamic Bolts & Products - DYNA® Tork Bolt The DYNA® Tork bolt transfers the dynamic load of a rock burst into the support system through the resin to rock interface. Features Functions as both dynamic and static bolt Simplistic design…

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Installation Guidelines

Dynamic OMEGA-BOLT® Manual Installation Procedure The Dynamic OMEGA-BOLT® benefits from the same operational procedure as conventional inflatable friction stabilizers, providing a fast, clean and safe installation. 1. Drill a 45 - 48…

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DSI Underground Customer Magazine

Downloads Spotlight Spotlight 1 2018 31 August 2018   7.47 MB Download  

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DSI Underground Environmental Policy

Download Environmental, Quality & Safety & Health Policies Environmental, Quality & Safety & Health Policies DSI Underground Canada Environmental Policy 25 May 2018   541.75 KB Download DSI Underground North America Safety and Health…

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Installation Quality Guidelines

Friction Stabilizers The following are items to be aware of when using/installing friction stabilizers: Type of Ground  - The nature of the ground must be evaluated. Soft strata requires a longer anchorage length to be effective. Soft…

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Dynamic OMEGA-BOLT®

Dynamic Bolts & Products - Dynamic OMEGA-BOLT® The Dynamic OMEGA-BOLT® is an evolution of the DSI Underground OMEGA-BOLT® a high pressure inflatable friction bolt, used to secure a great variety of ground conditions, subjected to…

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Steel Ribs

Cold Formed Steel Ribs Continuously Threaded Bars DSI Underground has cold-formed beams for underground supports for over 75 years. Techniques that we have learned about shaping steel for strength, performance, and value in the world's…

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FASLOC® X-Treme Resin

Resins and Cement Cartridges FASLOC® X-Treme Resin Description FASLOC® resin grout anchors are composed of polyester resin and an organic peroxide initiator paste. The film barrier, composed of heat sealed polyester film, prevents…

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AT - Pipe Umbrella System

Anchors, Rock Bolts & Pre-Support The AT - Pipe Umbrella System is a pre-support measure used in weak ground conditions in conventional as well as mechanized Tunneling. Pipe umbrella pipes increase the stability in the working area by…

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AT - TUBESPILE

Anchors, Rock Bolts & Pre-Support AT - TUBESPILE The AT - TUBESPILE forms part of the POWER SET product family. It qualifies perfectly as a pre-support system in conventional tunneling and is classified as a spile. The application of…

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Spiles and Forepoling Boards

Anchors, Rock Bolts & Pre-Support Spiles and Forepoling Boards Spiles and forepoling boards are used as temporary pre-support system for the working area. They ensure the stability of the perimeter of the open span until the primary…

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AT - Pipe Umbrella Automation

Anchors, Rock Bolts & Pre-Support AT - Pipe Umbrella Automation Unit The AT - Pipe Umbrella Automation Unit allows automated feeding, screwing, and installation of extension tubes plus drill rods. Main Advantages Shorter manipulation…

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Steel Ribs

Cold Formed Steel Ribs Continuously Threaded Bars DSI Underground has cold-formed beams for underground supports for over 75 years. Techniques that we have learned about shaping steel for strength, performance, and value in the world's…

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Installation Accessories

Friction Stabilizers Plate Washers minimum A-36 material (36,000 psi yield) A = 6” square B = FS-33 & FS-39: 3/16” thick; FS-46: 1/4" thick C = FS-33: 36mm (1-7/16”) diameter        FS-39: 41mm (1-5/8”) diameter        FS-46: 48mm…

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Friction Stabilizers

Friction Bolt Nominal Sizes 33mm, 39mm and 46mm   Dimensions FS-33 FS-39 FS-46 Taper Diameter A 1-1/8" (28 mm) 1-3/16" (30 mm) 1-1/2" (38 mm) Taper Length B 2-3/8" (60 mm) 2-1/2" (65 mm) 2-1/2" (65 mm) Slot Width C 1/2" (13 mm) 5/8"…

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OMEGA-BOLT®

OMEGA-BOLT® Friction Stabilizer Physical Properties 12 Tonnes Standard 12 Tonnes Plus 16 Tonnes Plus 24 Tonnes Standard 24 Tonnes Plus Minimum Breaking Load (kN) 120 115 150 240 220 Minimum Elongation 10% 20% 20% 10% 20% Profile…

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Contact

Further Information is requested about: Mining Mechanical Rockbolts, Extension Bolts, Stelpipe Bolts Rebar Rock Bolts Cable Bolts Friction Stabilizers & Expandable Bolts DYWIDAG THREADBAR® Trusses & Slings Specialty Bolts Fibreglass…

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Tension Jack/Pull Test Kit

30 Ton Capacity Test Kit General Features The pull test kit consists of two assemblies: a mechanical assembly which includes a claw, stand, nut, & spindle a hydraulic assembly which includes a hollow core ram, hand pump, gauge, & hose…

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Application Form

Your Career at DSI Underground Your data will be internally forwarded to our local units to check out jobs that meet your qualifications and interests. Information * Application for * Province Country * Personal Data Title Family Name…

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Solid Bar Combination Rock Bolt

Anchors, Rock Bolts & Pre-Support The Solid Bar is a unique combination rock bolt system. It offers the combined advantages of an immediate point anchorage and subsequently a fully grouted rock bolt. A two-step installation procedure…

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About us

Customized Ground Support Solutions for your Requirements Underground: DSI Underground Canada DSI Underground has over 2,000 employees worldwide with operations across EMEA (Europe, Middle East, Africa), Asia-Pacific, North America and…

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Mission and Values

Experienced, passionate, committed We are mining and tunneling experts. As individuals, teams and a business, we are passionate about driving progress underground and helping our customers work faster, smarter, and more safely and…

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DSI Underground CEO Commitment

DSI Underground CEO Commitment Michael Reich DSI Underground CEO Helping you achieve your objectives – quickly, safely and sustainably . The work you do is vital and helps advance human progress. At the same time, we understand the…

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Exhibitions

Exhibitions and Conferences Event Place Date Prospectors & Developers Association of Canada (PDAC) Toronto, Ontario, Canada March 1-4, 2020 Sydney Build Expo 2020 Sydney, Australia March 19-20, 2020 12th Annual Saskatchewan Mining…

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Privacy Statement

1. An overview of data protection: General The following statements provide a simple overview of what happens to your personal information when you visit our website. Personal information is any kind of data with which you could be…

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News

DSI Underground has acquired 100% of Mansour in October 2019. Since October 2019, the combined team of DSI Underground and Mansour continue providing you with the usual high-quality products and excellent service. Beyond that, you will…

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Installation Quality Guidelines

Tools & Hardware Rebar and THREADBAR® Bolts Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches)…

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Installation Quality Guidelines

Tools & Hardware Rebar and THREADBAR® Bolts Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches)…

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Installation Quality Guidelines

Tools & Hardware Rebar and THREADBAR® Bolts Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches)…

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DYWI® Drill Self-Drilling Bolt

Speciality Bolts Bar Size R25N R25N R32N R32N R32S R32S R38N R38N R51N R51N Diameter over threads [in] / [mm]  0.984 25  1.260  32 1.260 32  1.496  38  2.008  51 Cross sectional area of bar (a)  [in 2 ] / [mm 2 ]  0.378  244  0.614 396…

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3 bar type

Lattice Girders, Steel Arches & Props Lattice Girders avaible in straight and arched segments 1. Joint Plate: ASTM A36 min. 2. Foot Plate: ASTM A36 min. Lattice Girder Bar Material: Tensile Strength 80ksi (550 MPa) min. Yield Strength…

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Mechanical Rock Bolts

Forged Head (1-1/8" Square) Forged Head & Threaded Nominal 5/8" and 3/4" sizes and 7/8" Dimensions Head Type 5/8" Bolt 3/4" Bolt 7/8" Bolt Body Diameter E All bolts ±0.56" (±14.2mm) ±0.68" (±17.3mm) ±0.79" (±20.1mm) Head Across Flats F…

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Advantages / Fabrication

Lattice Girders 3 Bar / 4 Bar Advantages Advantages with the use of Lattice Girders Lattice girders provide the following advantages: Immediate roof support over the excavated section. Act as a template assuring a minimum thickness…

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Installation Quality Guidelines

Tools & Hardware Rebar and THREADBAR® Bolts Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches) Hole diameters (inches)…

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Careers

Your Career at DSI Underground: Join the DSI Underground Family and become member of a world class team. What we offer As a global group, we offer our employees an international environment and exposure to renowned projects and…

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Brochures DSI Underground

Download Product Catalogue DSI Underground Corporate Brochure DSI Underground Corporate Brochure 13 May 2020 2.23 MB Download Mansour Mining Mansour Product Catalogue 10 December 2019 2.37 MB Download Product Brochures DSI Underground…

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Underground Mining and Tunneling Solutions

Exhibitions PRODUCTS   Download ISO Certificates Download DSI Underground Environmental Policy

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Meet our Team

Meet our Team Nicole Smith, Financial Analyst What makes working at DSI Underground special for you? Working at DSI Underground provides me with an opportunity for professional growth everyday through new challenges and opportunities.…

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Thank you

Thank You! Your feedback was sent to DSI Underground Canada. We will answer your request as soon as possible. Thank you for visiting our website!

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Press Releases


10 October 2020

DSI Underground has signed a new joint venture agreement with ABC Canada to strengthen the safety level for underground mining and tunneling

DSI Underground has signed a new joint venture agreement with ABC Canada to strengthen the safety level for underground mining and tunneling 10 October 2020 On September 1st DSI Underground Ventilation Systems was officially launched, a…

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05 November 2019

DSI Underground Group announces roll-out of the refreshed DSI Underground Spirit

DSI Underground Group announces roll-out of the refreshed DSI Underground Spirit 05 November 2019 Luxembourg , Luxembourg – DSI Underground is pleased to announce the roll-out of its refreshed DSI Underground Spirit today. Our DSI…

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05 November 2019

DSI Underground Group announces roll-out of the refreshed DSI Underground Spirit

DSI Underground Group announces roll-out of the refreshed DSI Underground Spirit 05 November 2019 Luxembourg , Luxembourg – DSI Underground is pleased to announce the roll-out of its refreshed DSI Underground Spirit today. Our DSI…

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30 April 2018

DSI Underground Australia announces intention to acquire Fero Group

DSI Underground Australia announces intention to acquire Fero Group 30 April 2018 Newcastle, Australia - DSI Underground Australia and Fero Group Pty Ltd (Fero) have signed an agreement under which DSI Underground Australia will acquire…

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01 March 2018

MINING WORLD ACQUISITION BY DSI UNDERGROUND ARGENTINA

MINING WORLD ACQUISITION BY DSI UNDERGROUND ARGENTINA 01 March 2018 DSI Underground is pleased to announce the acquisition of 100% of the assets of MINING WORLD in Argentina. Many of DSI UNDERGROUND’S international customers are growing,…

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02 February 2018

Welcome to our new global website for DSI Underground!

Welcome to our new global website for DSI Underground! 02 February 2018 Back

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01 January 2018

Appointment of new CEO and new structure for DSI Underground Canada Ltd.

Appointment of new CEO and new structure for DSI Underground Canada Ltd. 01 January 2018 DSI Underground is pleased to announce the appointment of Gavin Fairburn as Chief Executive Officer of DSI Underground Canada Ltd. in June 2018. Mr.…

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01 January 2018

DSI Underground Australia announces completion of the Fero Group acquisition

DSI Underground Australia announces completion of the Fero Group acquisition 01 January 2018 Newcastle, Australia - DSI Underground Australia is pleased to announce today the completion of the Fero Group (Fero) acquisition. DSI Underground…

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08 December 2017

DSI Underground agreed to acquire 100% of share capital of Heintzmann Australia Pty Ltd

DSI Underground agreed to acquire 100% of share capital of Heintzmann Australia Pty Ltd 08 December 2017 On the 8 th of December 2017, DSI signed an Agreement to acquire 100% of the share capital of Heintzmann Australia. Heintzmann…

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22 July 2016

DSI’s proposed acquisition of Jennmar Australia

DSI’s proposed acquisition of Jennmar Australia 22 July 2016 In February 2016, DSI announced that it had signed agreements to acquire Jennmar's businesses outside the US, and to sell its US Mining business to Jennmar. The acquisitions in…

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02 July 2016

DSI Underground signs an exclusive distribution agreement with NMP of Sweden for dynamic inflatable rock bolts

DSI Underground signs an exclusive distribution agreement with NMP of Sweden for dynamic inflatable rock bolts 02 July 2016 July 2016, DSI Underground signed an agreement to manufacture and sell patented Dynamic OMEGA-BOLT®  with Northern…

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17 June 2016

DYWIDAG-Systems International (DSI) establishes new Joint Venture in Jining, China

DYWIDAG-Systems International (DSI) establishes new Joint Venture in Jining, China 17 June 2016 Establishment of a Joint Venture with Jennmar (JM) in Jining In February 2016, DSI signed an agreement for acquiring 50% of the shares of JM…

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26 February 2016

DYWIDAG Systems International (DSI) reorganizes its Construction and Underground businesses into two separate divisions

DYWIDAG Systems International (DSI) reorganizes its Construction and Underground businesses into two separate divisions 26 February 2016 Construction and Underground will operate as two separate divisions on the market Split allows focus…

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03 February 2016

DYWIDAG Systems International (DSI) has signed agreements to acquire Jennmar businesses outside the US and sell its US Mining business to Jennmar

DYWIDAG Systems International (DSI) has signed agreements to acquire Jennmar businesses outside the US and sell its US Mining business to Jennmar 03 February 2016 DSI to acquire Jennmar businesses in Australia, Europe, Latin America and…

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20 August 2015

DYWIDAG-Systems International (DSI) agreed to acquire “OneStep” mining bolt assets from Hilti

DYWIDAG-Systems International (DSI) agreed to acquire “OneStep” mining bolt assets from Hilti 20 August 2015 July 23 rd 2015. DSI signed an agreement to acquire Intellectual Property and manufacturing assets for the “OneStep” mining bolt…

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11 December 2014

PT DSI Underground Indonesia opens new Manufacturing Facility for Mining Products in Indonesia

PT DSI Underground Indonesia opens new Manufacturing Facility for Mining Products in Indonesia 11 December 2014 On December 9 th  2014, PT DSI Underground Indonesia opened their new manufacturing facility for mining products in Gresik,…

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05 August 2014

DYWIDAG-Systems International (DSI) completes acquisitions in Canada, Australia and South Africa in Mining

DYWIDAG-Systems International (DSI) completes acquisitions in Canada, Australia and South Africa in Mining 05 August 2014 Acquisition of 100% of JENNMAR Canada strengthens DSI’s mining capabilities in Canada Acquisition of 49% in J-LOK®

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30 May 2014

Michael Reich is the new Chairman of the DSI Board of Directors

Michael Reich is the new Chairman of the DSI Board of Directors 30 May 2014 We are pleased to inform you that Michael Reich has agreed to assume the role of Chairman of DSI’s Board of Directors from Björn Killmer, a representative of…

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28 February 2014

DYWIDAG-Systems International (DSI) acquires Schaum-Chemie Mikołów Sp. z o.o.

DYWIDAG-Systems International (DSI) acquires Schaum-Chemie Mikołów Sp. z o.o. 28 February 2014 Further bolstering of DSI’s growth strategy in European Mining Strengthening of DSI’s competence in chemicals and mineral products for…

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11 May 2013

DSI Underground completes Technology Acquisition for global Soft Rock Markets

DSI Underground completes Technology Acquisition for global Soft Rock Markets 11 May 2013 DYWIDAG-Systems International (DSI) is pleased to announce the acquisition of patent pending surface control technology from Three Rivers Packaging…

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08 February 2013

DSI South Africa Announces Compliance with the Mining Charter

DSI South Africa Announces Compliance with the Mining Charter 08 February 2013 DSI South Africa (DSI SA) is pleased to announce that it has restructured the company to achieve compliance with the Mining Charter, and that it has received…

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15 June 2012

DSI acquires the rights of the JFP 95 Dust Suppressant for Reducing Dust Concentration in Mining

DSI acquires the rights of the JFP 95 Dust Suppressant for Reducing Dust Concentration in Mining 15 June 2012 On June 6 th 2012, DYWIDAG Systems International (DSI) acquired the rights of the JFP 95 Blue Anti-Static Dust Suppressant from…

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21 February 2012

DYWIDAG Systems International (DSI) acquires majority stake in specialist mining contractor Drill Tek Injection Systems Ltd.

DYWIDAG Systems International (DSI) acquires majority stake in specialist mining contractor Drill Tek Injection Systems Ltd. 21 February 2012 Strategic investment to capture further growth potential of the mining business  Founders and…

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Projects


Recently, the Hagen Residential Community was built at the…

Once completed, the NorthConnex Tunnel will be one of the…

The 27.3km long Semmering Base Tunnel, together with the Koralm…

The Polyak Eynez Mine is located in Kinik in the province of…

In June 2014, the decision was taken by Eris Property Group to…

In November 2016, a large rock fell onto L 405 Vorau Road near…

The Soma Eynez/Demir Mine is located in the province of Manisa…

The Cuiabá Gold Mine in the federal state of Minas Gerais in…

The Rofomex Mine is located in the south of the Baja California…

Contrary to standard threaded pipe connections for pipe…

The Old Mutual insurance company is currently building a new…

The Frasers Underground Mine is located 100km north of Dunedin…

The St. Kanzian Tunnel Chain near Voelkermarkt in Carinthia,…

The Pilar Mine near the town of Santa Bárbara in the Federal…

The Canadian Mining Market has seen the use of friction bolts…

The Minera El Roble Mine is located in northern Mexico in the…

The Minera Tizapa Mine is located in Central Mexico in the town…

The Newmont Mining Corporation was founded in 1921 in the USA…

Lattice Girders PS50/20/30, PS70/20/30 and PS95/26/34 …

Skofja Loka, a town some 25km northwest of the Slovenian…

One of the main routes out of London is the A3, which connects…

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DSI Underground Canada Ltd.

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