Our research seeks an understanding of the relationship of material properties to explosive-energy coupling in various earth media by integrating experimental observations with computer calculational models to obtain a predictive capability. The procedure chosen consists of:first, selecting materials exhibiting interesting values of the properties that are believed to control coupling;second, experimentally determining material behavior under various types of loading and unloading;third, development of constitutive rela¬tionships;fourth, adapting these con¬stitutive relationships to computer calculational models;and fifth, verifying the calculational models through comparison with small-scale and field high-strain-rate experiments. The object of this report is to present the shock-wave data and to make a preliminary evaluation of the results in terms of material properties, coupling, and their inter¬actions.
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