American Society of Civil Engineers

Volume Changes in Triaxial and Plane Strain Tests

by W. D. Liam Finn, Neil H. Wade, and Kenneth L. Lee

Journal of the Soil Mechanics and Foundations Division
, Vol. 93, No. 6, November/December 1967, pp. 297-308, (doi:

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Document type: Journal Paper
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Abstract: Volume changes occurring in packings of rigid spheres during deformation under both triaxial and plane strain conditions are analyzed theoretically. It is shown that smaller volume changes occur under plane strain conditions for equal axial strain. Experimental data indicate that the result holds true for real soils. The relevance of the result to a study of the strength of soil under high confining pressures is discussed.

ASCE Subject Headings:
Triaxial tests
Plane strain
Volume change