The Geotechnical Earthquake Engineering Portal intends to provide useful resources on geotechnical earthquake engineering.
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Kelken Construction Systems
Leader in the design and manufacture of structural adhesive anchoring systems in service nationwide. Visit Kelken Construction Systems
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Foundation Technologies, Inc
Among other things, they are the makers of various drilled shaft spacing products. They also sell helical anchors, soil screws, tieback anchors, underpinning solutions and more. Visit Foundation Technologies, Inc
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Eng-Tips Forums
Popular engineering forum site, including a very active section for “Soil/Groundwater environmental engineering”. Visit Eng-Tips Forums