期刊
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING
卷 54, 期 -, 页码 51-63出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijimpeng.2012.10.008
关键词
Split-Hopkinson Pressure Bar; High pressure; High rate; Sand; Confinement
A Kolsky bar was modified to conduct triaxial compression experiments at high rates under the same stress state as in quasi-static conventional triaxial compression tests. Using this experimental technique the triaxial compression response of Quikrete (R)# 1961 sand at dry conditions was investigated at varying levels of confining pressure, strain rate, and initial density. The results show that the response of sand has negligible dependencies on strain rate and initial density, but is highly pressure dependent. The ability to impose a triaxial stress state allows the results to form a foundation for constitutive model development. Published by Elsevier Ltd.
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