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 5 $S_{\text{f}}^ * $=0.35时GBM强化模型裂纹数量

Tab.5 Statistics of number of cracks in grain-based reinforcement model when $S_{\text{f}}^ * $=0.35

$\sigma _{{\rm{1}}}^\prime$ 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 65 25 3 0 2 0 0 0.7 101 73 15 1 3 3 0 0.8 133 165 36 4 4 16 0 0.9 182 268 75 11 7 31 1 1.0 243 418 224 71 15 73 6