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10 不同温度处理后红砂岩试样剪切断口SEM图像(65°剪切角) (a)25 ℃剪切断口SEM图像;(b)200 ℃剪切断口SEM图像;(c)400 ℃剪切断口SEM图像;(d)600 ℃剪切断口SEM图像;(e)800 ℃剪切断口SEM图像 |
Fig.10 SEM images of shear fracture of red sandstone samples after different temperature treatment (65° shear angle) |