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《Explosion and Shock Waves》 2003-03
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A damage constitutive model of rocks and its applications in underground explosion

LIU Wentao1, WANG Xiaojun1, ZHOU Zhong1, JIANG Songqing2(1. University of Science and Technology of China,Hefei 230026, Anhui, Chian; 2. Institute of Applied Physics and Computational Mathematics,Beijing 100088, China)  
A new constitutive model of rocks considering the effects of plastic hardening, distortional dilation and damage softening is described. The ground motions caused by the underground explosions were studied numerically with the new model. The numerical results show that both the waveforms and the peak velocities are in good agreement with the experimental and numerical data published by other research groups. 
【Fund】: 国家自然科学基金项目(A020210);; 国防科技重点实验室基金项目(00JS33.5.1.2K0102)
【CateGory Index】: O382.1
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