Abstract
The cyclic stress-strain behaviour of cohesionless soils is considered to be composed of elastic and inelastic components, and the cyclic elastic stress-strain relationships for one type of uniform sand are investigated by conducting isotropic and laterally constrained compression tests under low frequency cyclic loads. The effects of relative density, stress history, and stress state on the cyclic elastic behaviour are studied. Simple and practically applicable elastic stress-strain models are developed based on Hertzian contact theory. It was observed in both types of tests that elastic strains can accurately be modelled by a power function of stresses.
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