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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Deep Foundations Institute (DFI)
The DFI is an international network of heavy construction professionals dedicated to quality and economy in foundation design and construction. For over thirty years, DFI has gathered professionals in the deep foundations sector of the […]
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GIS.com
Sponsored by ESRI, it presents the basic principles of GIS and how it affects our everyday lives. You’ll find tools and resources for getting started with GIS. Visit GIS.com
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Sireg
Manufacturer of synthetic products for tunneling and foundations: sleeved pipes for grouting, glass fiber bars for anchors, bolts, temporary and permanent reinforcements, drainage pipes, inclo-casings, waterstop. Visit Sireg