Numerical simulation on dynamic compression properties of sandstone under axial static preload
Ying Xu,
Zhongyi Zhang,
Chengjie Li
et al.
Abstract:In this study, through a series of static mechanical tests and split Hopkinson pressure bar (SHPB) dynamic impact tests, the static and dynamic mechanical parameters of yellow sandstone are determined, and the Holmquist–Johnson–Cook model parameters of the rock are determined by the test data and theoretical calculation. The feasibility of a numerical model is verified, based on which the SHPB impact process under different axial pressure is subjected to numerical analysis. The results show that with increasin… Show more
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