Test Method Title
Standard Test Method for Compressive Strength and Elastic Moduli of Intact Rock Core Specimens under Varying States of Stress and Temperatures
Reference Number
ASTM D7012B
Material
Rock
Test Property
Triaxial Compressive Strength, Young's Modulus, Poisson's ratio
Description of Test
A rock core sample is cut to length and the ends are machined flat. The specimen is placed in a triaxial loading chamber subjected to confining pressure and, if required, heated to the desired test temperature. Axial load is continuously increased on the specimen, and deformation is monitored as a function of load. Deformation and strength of rock are known to be functions of confining pressure. The triaxial compression test is commonly used to simulate the stress conditions under which most underground rock masses exist.
Number of Test Specimens
1 or more
Test Specimen Size
Right circular cylinder, with diameter of at least 1 7/8 in and a length to diameter ratio of 2 to 2.5
Keywords
Elastic Moduli, rock, Rock Strength, Rock Triaxial