SYMPOSIA PAPER Published: 01 January 1988
STP29118S

True Triaxial Test of Rock Under Stress and Strain Rate Control

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The significance of true triaxial tests instead of conventional tests has been enhanced because of the need for generalized constitutive laws for geomaterials. To investigate the behavior of rock masses having restricted conditions for strains, tests of marble under strain rate control as well as stress rate control were performed using a specially designed true triaxial apparatus with rigid platens. As an example of a set of restricted conditions, the condition of the mean principal strain being constant was adopted when the octahedral shear strain was increased. The direction of stress paths obtained under these conditions is discussed, along with the elastic, dilatant, and contractile behavior of marble as clarified by stress controlled tests.

Author Information

Esaki, T
Kyushu University, Fukuoka, Japan
Kimura, T
Kyushu University, Fukuoka, Japan
Aoki, K
MITI, Tsukuba, Japan
Nishida, T
Kyushu University, Fukuoka, Japan
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Details
Developed by Committee: D18
Pages: 834–843
DOI: 10.1520/STP29118S
ISBN-EB: 978-0-8031-5048-5
ISBN-13: 978-0-8031-0983-4