循环加载强化作用对花岗岩细观破坏影响的离散元研究

张霄,于昊,李壮,刘衍顺,张紫东,籍鑫雨,李相辉

Discrete element study on effect of cyclic loading strengthening on meso-destruction of granite

Xiao ZHANG,Hao YU,Zhuang LI,Yan-shun LIU,Zi-dong ZHANG,Xin-yu JI,Xiang-hui LI

表 6 $S_{\text{f}}^ * $=0.4时GBM强化模型裂纹数量

Tab.6 Statistics of number of cracks in grain-based reinforcement model when $S_{\text{f}}^ * $=0.4

$\sigma _{{\rm{1}}}^\prime$ na ne nt ns nt ns 石英 长石 云母 石英 长石 0.5 30 4 0 0 1 0 0 0.6 66 26 3 0 2 0 0 0.7 102 74 18 2 2 3 0 0.8 130 160 37 4 4 13 0 0.9 185 269 89 11 8 32 1 1.0 243 441 239 80 25 77 4