This test method covers the determination of the strength of cylindrical rock specimens in an undrained state under triaxial compression loading. The test provides data useful in determining the strength and elastic properties of rock@ namely: shear strengths at various lateral pressures@ angle of internal friction (angle of shearing resistance)@ cohesion intercept@ and Young??s modulus. It should be observed that this method makes no provision for pore pressure measurements. Thus the strength values determined are in terms of total stress that is not corrected for pore pressures. The values stated in inch-pound units are to be regarded as the standard. This standard may involve hazardous materials@ operations@ and equipment. This standard does not purport to address all of the safety concerns 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.
T 226-1990 history
2023T/CIET 226-2023 Methods for harmless disposal of all stale domestic waste
1990T 226-1990 Standard Method of Test for Triaxial Compressive Strength of Undrained Rock Core Specimens without Pore Pressure Measurements