ASDSO Dam Safety Toolbox

Coring

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Rock coring is used to obtain in-situ rock / soil samples and strength parameters through tests such as the Standard Penetration Test (SPT). "Cylinder samples from 4 to 8 inches in diameter and 6 to 12 inches long... may also be obtained by jacking or otherwise pushing drive samples into exposed surfaces using a continuous steady pressure. Hydraulic power equipment may also be used to push Shelby tubes into exposed undisturbed soil to collect undisturbed samples, such as the sampler mounted on a backhoe."[1]

Soil Sampling Tools

Rock Sampling Tools

Best Practices Resources

National Engineering Handbook: Chapter 5 - Engineering Geology Logging, Sampling, and Testing



Citations:

  1. ↑ National Engineering Handbook: Chapter 5 - Engineering Geology Logging, Sampling, and Testing, NRCS, 2012



Revision ID: 4025
Revision Date: 10/21/2022

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