[1]State Key Laboratory of Coal Mine Disaster Dynamics and Control (Chongqing University), Chongqing 400045, China;
[2]School of Civil Engineering, Chongqing University, Chongqing 400045, China;
[3]Key Laboratory of New Technology for Construction of Cities in Mountain Area of Ministry of Education, (Chongqing University), Chongqing 400045, China;
[4]Engineering Institute of Engineering Crops, PLA University of Science and Technology, Nanjing 210007, China;