外荷载下青砂岩声发射特征及损伤演化规律

王文才,李俊鹏,王创业,陈世江,王鹏

Acoustic Emission Characteristics and Damage Evolution of Green Sandstone Under External Loads

Wencai WANG,Junpeng LI,Chuangye WANG,Shijiang CHEN,Peng WANG

图5 青砂岩单轴压缩轴向应力—时间曲线

Fig.5 Axial stress-time curve of green sandstone under uniaxial compression