SYMPOSIA PAPER Published: 01 January 1964
STP29999S

Void Ratio Effects on the Hyperbolic Stress-Strain Response of a Sand

Source

The effects of void ratio and confinement stress on the response of a uniform, fine dune sand tested in triaxial compression with octahedral normal stress controlled is given in terms of a two-constant hyperbolic stress-strain formulation. Relations for both the initial tangent modulus and the ultimate shear strength of the sand are contained within the hyperbolic stress-strain relation. The ultimate shear strength as a function of void ratio and confinement stress is given by the mathematical limit of the hyperbolic stress-strain relation, and the initial tangent modulus is obtained by, differentiating the stress-strain equation with respect to strain and evaluation at zero strain.

Author Information

Kondner, RL
Technological Institute, North-western University, Evanston, Ill.
Zelasko, JS
Technological Institute, North-western University, Evanston, Ill.
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Details
Developed by Committee: D18
Pages: 250–257
DOI: 10.1520/STP29999S
ISBN-EB: 978-0-8031-4568-9
ISBN-13: 978-0-8031-0048-0