TerraSystems is a geotechnical contracting firm specializing in dynamic compaction, rammed aggregate columns, wick drains, and various vibro systems for improving poor soil conditions. They are based in Lovettsville, Virginia.
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Nicholson Construction Company
A very well-respected specialty geotechnical contractor. They have a number of nice technical articles and case studies published on their website. Visit Nicholson Construction Company
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DeepXcav – Design software for embeded earth retaining walls supporting deepe excavations
DeepXcav is the software for design of embedded earth retaining walls and provides a complete database of materials and wall sections as sheet piles, diagraphgm walls, soldiers piles and everything you need for limit-equilibrium and […]
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DYWIDAG-Systems International
DYWIDAG-Systems International (DSI) is America’s leading manufacturer & supplier of specialist ground support products to the underground coal & metalliferous mining sectors. They also are one of the suppliers of hollow core or self-drilling soil […]