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Conventional Tunneling

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Directional boring is a trenchless way to put drains and pipe into the ground that uses a directional bore between two access pits (one at...

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The efficient modern tunnel boring machine (TBM) that smoothly slices through clay, rock and shale is a result of many failed attempts at...

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Three viewpoints tell at least part of the tale on when trenchless technology may or may not be the right choice. Trenchless technology...

Jet-Grouting for Complex Shoring Jet-Grouting for Complex Shoring Jet-Grouting for Complex Shoring Jet-Grouting for Complex Shoring


We've provided an explanation of the technology of jet-grouting and how it can be applied to complex shoring and define complex shoring...

The View Underground: Ground Penetrating Radar The View Underground: Ground Penetrating Radar The View Underground: Ground Penetrating Radar The View Underground: Ground Penetrating Radar


Ground penetrating radar or (GPR) can save you thousands on a trenchless project, however, it cannot be relied upon by itself. Using it to...