State Key Laboratory of Coal Mine Disaster Dynamics and Control Chongqing University Chongqing 400030 China;
State Key Laboratory of Coal Mine Disaster Dynamics and Control Chongqing University Chongqing 400030 China;
State Key Laboratory of Coal Mine Disaster Dynamics and Control Chongqing University Chongqing 400030 China;
State Key Laboratory of Coal Mine Disaster Dynamics and Control Chongqing University Chongqing 400030 China;
State Key Laboratory of Coal Mine Disaster Dynamics and Control Chongqing University Chongqing 400030 China;
State Key Laboratory of Coal Mine Disaster Dynamics and Control Chongqing University Chongqing 400030 China;
State Key Laboratory of Coal Mine Disaster Dynamics and Control Chongqing University Chongqing 400030 China;
Hydrofracture; crack propagation; coal-rock interface; coal mine;