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1.1 This test method covers the measurement of peak and residual direct shear strength of in situ rock discontinuities as a function of stress normal to the sheared plane. This sheared plane is usually a significant discontinuity which may or may not be filled with gouge or soil-like material.
1.2 The measured shear properties are affected by scale factors. The severity of the effect of these factors must be assessed and applied to the specific problems on an individual basis.
1.3 The values stated in SI units are to be regarded as the standard.
1.4 This standard does not purport to address the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Subject Index
Destructive testing-soil/rock; Discontinuities-rock; Displacement; Field testing-rock; Fracture testing-rock; Loading tests-rock/related materials; Pressure testing-rock; Rock; Shear testing-soil/rock; Stress-soil/rock; Surface analysis-soil/rock/related materials; in-situ peak/residual direct shear strength-rock discontinuities, test
Volume 04.08