Sandstone damage and acoustic emission characteristics under the cyclic loading and unloading of the intermediate principal stress of the true three-axis

Sandstone damage and acoustic emission characteristics under the cyclic loading and unloading of the intermediate principal stress of the true three-axis

The work aimed to study the damage and acoustic emission (AE) characteristics of sandstone under the cyclic disturbance stress during underground engineering excavation. Graded cyclic intermediate principal stress \begin{document}$ {\sigma }_{2} $\end{document} was tested using the rock-unloading te...

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Bibliographic Details
Main Authors: Chaotao FAN, Yingming LI, Chunliang DONG, Guangming ZHAO, Xiaoyu LU, Minjie QI, Xiangjun WANG
Format: Article
Language:zho
Published: Editorial Office of Journal of China Coal Society 2024-12-01
Series:Meitan xuebao
Subjects:
rock mechanics
cyclic intermediate principal stress
residual deformation
elastic modulus
damage variable
ra-af
Online Access:http://www.mtxb.com.cn/article/doi/10.13225/j.cnki.jccs.2023.1242
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