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What is Shear Strength of Rock Joints Explained about?

This document summarizes a paper that describes an empirical law for estimating the shear strength of rock joints. The law is based on three index parameters: 1) the joint roughness coefficient (JRC), which measures surface roughness, 2) the joint compressive strength (JCS), and 3) the residual friction angle (φr). Laboratory tests on over 100 joint samples showed that φr and peak shear strength can be estimated to within 1° and 1/20 respectively using these parameters. The estimates are made possible by lo

Author

André Cepeda

Language

EN