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Title: Ground shock calculation parameter study. Report 1, Effect of various nonlinear elastic-plastic model formulations
Authors: Baladi, George Y.
Hadala, Paul F.
Keywords: Soils--Plastic properties
Shock waves
Mathematical models
Publisher: Soils and Pavements Laboratory (U.S.)
Series/Report no.: Technical Report;S-71-4, Report 1
Abstract: Abstract: A parametric study was conducted to determine the effect of using various nonlinear elastic- plastic constitutive model formulations to fit a given set of soil property data in calculating high-explosive (HE), airblast-induced, superseismic ground shock. The code used was a modified version of the 2D axisymmetric LAYER code developed by the Paul Weidlinger firm. A constant shear modulus model, a constant Poisson's ratio model, and a hybrid-type model were employed. Two series of calculations were performed. In the first, the effect of an HE-type airblast on a deep highly compressible layer of soil was investigated for the three different models. In the second series, a two-layer soil profile comprising a shallow layer of highly compressible soil over a deep highly incompressible material was used.
Appears in Collections:Technical Report

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