节理粗糙度对应力波传播及试样破坏影响的颗粒流模拟

王卫华,罗杰,刘田,韩震宇

Particle Flow Simulation on Influence of Joint Roughness Coefficient on Stress Wave Propagation and Specimens Failure

Weihua WANG,Jie LUO,Tian LIU,Zhenyu HAN

表4 节理试样在数值冲击试验下的透射系数

Table 4 Transmission coefficient of joint rock specimens under numerical impact tests

试样类别 入射应力/MPa 透射应力/MPa 透射系数 完整试样 52.15 32.70 0.627 JRC4~6 52.15 31.30 0.600 JRC8~10 52.15 31.02 0.595 JRC12~14 52.15 30.34 0.582 JRC16~18 52.15 29.20 0.560