SEDL / STP / STP361-EB / STP29999S



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

Kondner, RL
Associate professor of civil engineering and research assistant, Technological Institute, North-western University, Evanston,Ill.

Zelasko, JS
Associate professor of civil engineering and research assistant, Technological Institute, North-western University, Evanston,Ill.


Pages: 8    Published: Jan 1964


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Source: STP361-EB


Abstract

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.


Paper ID: STP29999S
Committee/Subcommittee: D18.05
DOI: 10.1520/STP29999S
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