shear wave velocity testing

Earth Dynamics LLC is a full service geophysical consulting firm that has provided professional services to government and industry since 1984. Prior to 1996 the firm operated under the name of its founder, Dr. Michael Feves; from 1996 to 2015 it operated as Earth Dynamics, and in 2015 Dr. Michael Feves and Mr. Daniel Lauer formed a partnership under the name Earth Dynamics LLC. Projects have ranged from urban seismic refraction surveys to underwater geophysical surveys in Lake Superior.

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2D electrical resistivity profilingdown-hole methodelectromagnetic induction surveysgravity surveysGround Penetrating Radarmagnetometer surveysmarine geophysical explorationMASW methodReMi methodSeismic refraction surveysvibration analysisVLF surveysWenner 4-pin resistivity testing

Engineering and Testing Services, Inc. is a geotechnical engineering and construction materials testing firm serving Virginia and North Carolina since 2002. Based in Virginia Beach, VA, it provides geotechnical engineering, AASHTO-accredited and USACE-validated soils and concrete laboratory testing, QA/QC and project management, and special inspection services.

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2D and 3D finite element analysis (Midas GTS NX)concrete compressive strength testingCone Penetration Test (CPT)dilatometer testingdrilling and boringsfoundation designpavement designpile design and load testingslope stability analysisStandard Penetration Test (SPT)