Lab Services: Rock testing

Lab Services: Rock testing

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Test Method Title

Standard Test Method for Elastic Moduli of Intact Rock Core Specimens in Uniaxial Compression **ASTM has discontinued this method, the industry-accepted standard test method is now ASTM D7012D

Reference Number

ASTM D3148

Material

Rock

Test Property

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 loading frame 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. The elastic constants are used to calculate the stress and deformation in rock structures.

Preferred Test Sample Size

Rock core specimens

Number of Test Specimens

Enough samples to represent a valid average of the type of rock under consideration

Test Specimen Size

Right circular cylinder, with diameter of at least 1 7/8 in and a length to diameter ratio of 2 to 2.5:1

Keywords

Compression testing, loading tests, modulus of elasticity, modulus-Young's, rock

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