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Landslides & Slope Stability
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Field Methods
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We added a few photos here showing examples of some typical field methods and techniques.  We currently maintain our Tri-pod mounted Standard Penetration Test (ASTM D1586) system for quick responses to client needs.  We often apply the system to slope stability investigations/analyses and steep slope assessments in very remote areas of the United States, most recently for the Eldorado National Forest.

Checking debris flow material removal to ensure cut/fill, grading and drainage is constructed to engineering plans and specifications.

At the top of a debris flow the field crew sets one of the many standpipe piezometers and records soil conditions for stability calculations.

Business end of the drive shoe with sampled material after penetration testing.

Soil sample in thick-walled split spoon sampler.

Soil laboratory hydrometers for determining the fine grained fractions and verifying the field soil classifications.