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Title: Development of a theoretically sound cap model for fitting ISST-type material behavior
Authors: United States. Air Force. Ballistic Missile Office.
Baladi, George Y.
Keywords: Complementary strain energy function
Constitutive models
Elastic media
Elastic-plastic behavior
ISST soil properties
Stress-strain relations
Tension cutoff criteria
Structural analysis
Missile silos
Issue Date: Oct-1986
Publisher: Structures Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Technical report (U.S. Army Engineer Waterways Experiment Station) ; SL-86-34.
Description: Technical Report
Abstract: This report describes the development of a three-dimensional elastic-plastic work-hardening constitutive relationship in which the shear modulus is a function of plastic volumetric strain and the second invariant of the strain deviation tensor. It contains (1.) the general description of the new model including the proof of its theoretical soundness, (2.) selected mathematical forms of its various response functions, and (3.) an example model fit to the material properties specified for ISST Layer 2.
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