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 14 GBM强化模型峰前不同应力水平微裂纹分布

Fig.14 Distribution of pre-peak microcracks at different stress levels in grain-based reinforcement model