Three dimensional dynamic finite element simulation on rock blasting

被引：0
|
作者：
Shen, Xin-Pu [1 ]
Guo, Li-Li [1 ]
机构：
[1] College of Architectural Engineering, Shenyang University of Technology, Shenyang, Liaoning 110178, China
来源：
Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology | 2009年 / 29卷 / SUPPL. 1期
关键词：
Failure (mechanical) - Rock mechanics - ABAQUS - Blasting - Equations of state - Hydrostatic pressure - Numerical methods - Explosives - Rocks;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Dynamic explosion of rock mass has been simulated numerically with ABAQUS/Explicit software. Elastoplastic dynamic failure constitutive models have adopted. The Jones-Wilkens-Lee (JWL) state equation has been used to calculate the pressure caused by the release of the chemical energy of explosive. Ten-sile dynamic failure criterion has been adopted as the rock failure criterion, and hydrostatic pressure has been used as the measure of spalling force. A rock specimen with denotation point set on the middle point of the borehole has been investigated numerically. Numerical results obtained with AB AQUS/Explicit have been compared with experimental phenomenon, and reasonable accordance has been observed.
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页码：189 / 192
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