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

Unloading failure of the coal-rock (CR) system is the key factor leading to rock burst disaster. Therefore, it is very important to explore the failure mechanism of the CR system by laboratory test. Initially, CR composite samples underwent laboratory tests with unloading pressure at various rates (...

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Auteurs principaux:	Wenkai Ru, Shanchao Hu, Qingheng Gu, Qing Ma
Format:	Artigo
Langue:	Inglês
Publié:	KeAi Communications Co., Ltd. 2025-06-01
Collection:	Geohazard Mechanics
Sujets:	Coal-rock composite Coal and rock masses Crack evolution Energy evolution Elastic energy density difference
Accès en ligne:	http://www.sciencedirect.com/science/article/pii/S2949741824000530
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