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Investigation of the partition failure process and energy evolution in coal-rock composite structure under free surface unloading

Wenkai Ru Shanchao Hu Qingheng Gu Qing Ma

Geohazard Mechanics2025，Vol.3Issue(2)：P.109-122,14.

Geohazard Mechanics2025，Vol.3Issue(2)：P.109-122,14.DOI:10.1016/j.ghm.2024.07.003

Investigation of the partition failure process and energy evolution in coal-rock composite structure under free surface unloading

Wenkai Ru ¹Shanchao Hu ²Qingheng Gu ²Qing Ma³

作者信息

1. School of Resources and Safety Engineering,Central South University,Changsha,410083,China
2. School of Energy and Mining Engineering,Shandong University of Science and Technology,Qingdao,266590,China
3. State Key Laboratory of Hydroscience and Engineering,Tsinghua University,Beijing,100084,China
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摘要

关键词

Coal-rock composite/Coal and rock masses/Crack evolution/Energy evolution/Elastic energy density difference

分类

矿业与冶金

引用本文复制引用

Wenkai Ru,Shanchao Hu,Qingheng Gu,Qing Ma..Investigation of the partition failure process and energy evolution in coal-rock composite structure under free surface unloading[J].Geohazard Mechanics,2025,3(2):P.109-122,14.

基金项目

supported by the National Natural Science Foundation of China(No.52274087) （No.52274087）

the Natural Science Foundation of Shandong Province(No.ZR2023ME189). （No.ZR2023ME189）

Geohazard Mechanics

ISSN：2949-7418

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