Implications for rock instability precursors and principal stress direction from rock acoustic experiments

• Published in: International journal of mining science and technology Vol. 31; no. 5; pp. 789 - 798
• Main Authors: Dong, Longjun, Chen, Yongchao, Sun, Daoyuan, Zhang, Yihan
• Format: Journal Article
• Language: English
• Published: Elsevier 01.09.2021
• Subjects: Acoustic emission; Anisotropic; Precursor characteristics; Principal stress direction; Wave velocity

The characteristics of rock instability precursors and the principal stress direction are very crucial for the prevention of geological disasters. This study investigated the qualitative relationship between rock instability precursors and principal stress direction through wave velocity in rock aco...