Discussion of “State of the Art: Laboratory Strength Testing of Soils”

JT Christian

doi:10.1520/STP28777S

SYMPOSIA PAPER Published: 01 January 1981

STP28777S

Discussion of “State of the Art: Laboratory Strength Testing of Soils”

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Finite element analyses of the direct simple shear sample do account for the three-dimensional state of displacement, strain, and stress. Three independent analyses indicate substantial uniformity of stress in the central region of a linearly elastic sample, but stress concentrations at the edges may make the device unsuitable for very sensitive soils or for investigation of progressive failure. The results of photoelastic investigations described in the report include unsymmetric distributions of stress that are mathematically anomalous and are probably caused by inadequate restraints at the boundaries.

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Christian, JT

Stone & Webster Engineering Corporation, Boston, Mass.

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Developed by Committee: D18

Pages: 638–640

DOI: 10.1520/STP28777S

ISBN-EB: 978-0-8031-4806-2

ISBN-13: 978-0-8031-0789-2

Discussion of “State of the Art: Laboratory Strength Testing of Soils”

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