Coring: Difference between revisions
From ASDSO Dam Safety Toolbox
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Revision as of 23:07, 21 October 2022
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| Rock Core Samples |
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
- Open-Drive and Piston Samplers
- Thin-Wall Open-Drive Samplers
- Piston-Drive Samplers
- Split-Barrell Samplers
- Double-Tube Soil Core Barrel (Dension Type)
- Rock Core Barrel Samplers
Rock Sampling Tools
Best Practices Resources
National Engineering Handbook: Chapter 5 - Engineering Geology Logging, Sampling, and Testing
Citations:
Revision ID: 4026
Revision Date: 10/21/2022