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

图 19 破坏裂纹数量与峰值强度随强化系数阈值的变化

Fig.19 Variation of n_c and

$ {\sigma' _{{\text{1u}}}}$

with

$S_{\text{f}}^ * $