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  Mechanical Rockbolts
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  Accessories Used with Ribs
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- Tunneling
  Anchors, Rock Bolts & Pre-Support
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  AT - Pipe Umbrella System
  AT - Pipe Umbrella Automation
  AT - TUBESPILE^™
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  3 Bar / 4 Bar
  Advantages / Fabrication
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  Requirements
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  Liner Plates
  THREADBAR^® System
  General
  THREADBAR^® Properties
  THREADBAR^® Hardware
  Installation Quality Guidelines
Downloads
Case Studies
Locations

Civil Applications

Civil Applications

DSI Underground Canada
Products
Tunneling
Underground Construction
Support Systems
Steel Support
Civil Applications

Steel Support Applications

Northeast Ohio Regional Swer District Mill Creek Tunnel - Phase #2
Cornish Construction, Manhatten Beach, CA
Relieving Arches

Civil Applications

Civil Applications

Downloads

DSI Underground Mining and Tunneling Products Catalogue

DSI Underground Mining and Tunneling Products Catalogue

28 February 2017

10.72 MB Download

Ground Control Solutions

Ground Control Solutions

13 July 2018

21.36 MB Download

Projects

BULLFLEX® Support Pillars prove their Load-Bearing Capacity: Successful Tests at the NIOSH Laboratory

BULLFLEX^® Support Pillars prove their Load-Bearing Capacity:…

John Hart Generating Station Replacement Project: System Solutions for difficult Ground Conditions in an Access Tunnel

John Hart Generating Station Replacement Project: System…

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DSI Underground Image 2020

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