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
表5 青砂岩试样AE主频试验结果
Table 5 AE dominant frequency test results of green sandstone samples
主频类型青砂岩试样及试验结果
QSY1QSY2QSY3
高频/kHz117~241122~250120~248
中频/kHz42~11744~12244~120
低频/kHz0~420~440~44