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8 AE主频、轴向应力随时间演化特征图

Fig.8 Evolution characteristics of AE dominant frequency and axial stress with time