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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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Pile Driving Contractor’s Association

The Pile Driving Contractors Association (PDCA) is an organization of pile driving contractors that advocates the increased use of driven piles for deep foundations and earth retention systems. Visit Pile Driving Contractor’s Association

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North American Steel Sheet Piling Association

The North American Steel Sheet Piling Association (NASSPA) is dedicated to providing information and guidelines for efficient design and construction utilizing hot rolled steel sheet piling. It was founded and sponsored by the major sheet […]

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3-D Photos in Geoengineering

This web page introduces some basic concepts of stereo photography useful for geological engineers, geoengineers and engineering geologists. This brief review of stereo photography shows how easy it is to take stereo pairs and how […]

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Ontario-geofish Blog

The blog of Harold W. Asmis, a retired geophysicist and engineer from the Ontario Power Generation Company. His career experience includes tunnel analysis, regional geologic mapping, and earthquake engineering in support of nuclear power plant […]

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Schnabel Foundation Company

A nationwide contractor specializing in design-build earth retention systems. Soil nailing, soil mixing, jet grouting, secant pile walls, landslide control walls, tiebacks, underpinning and excavation support. Visit Schnabel Foundation Company

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Progressive Engineer

Progressive Engineer is an online magazine and information source covering all disciplines of engineering in the continental U.S. The magazine features profiles of engineers and companies and stories on projects that detail the accomplishments of […]

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NCS Consultants, LLC

Geotechnical engineering consultants located in Tucson, AZ specializing in the transportation industry. Expertise includes drilled shafts, MSE-walls, soil nail walls, side-hill retaining walls, forensic analysis, and more. NCS also advises ADOT and other agencies on […]

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ADSC – International Association of Foundation Drilling

The ADSC (Association of Drilled Shaft Contractors), founded in 1972 is a non-profit, international, professional, trade association representing the drilled shaft, anchored earth retention, micropile, and other related civil construction/design i Visit ADSC – International […]