高温后红砂岩压剪下声发射及其微观特性研究

黄晓辉,刘科伟,周占星,马泗洲,郭腾飞

Study on Acoustic Emission and Microscopic Characteristics of Red Sandstone Under Compression-Shear After High Temperature

Xiaohui HUANG,Kewei LIU,Zhanxing ZHOU,Sizhou MA,Tengfei GUO

图8 不同剪切角度下剪应力阈值占比

Fig.8 Proportion of shear stress threshold at different shear anlges