Anchors, Rock Bolts & Pre-Support
Spiles and Forepoling BoardsSpiles 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 lining is installed.
Depending on the foundation soil characteristics, different spile types are used in order to achieve the best technical solution for each project. The products range from rebar spiles, IBO - Self-Drilling Spiles or the AT - TUBESPILE™ to forepoling boards, which permit driving in non-cohesive ground.