作者单位:YANG Hai-ruo(Product Department of Huainan Mining Group, Huainan Anhui 2310001, China)杨海若(淮南矿业集团生产部,安徽 淮南 232001)LI Ming-jing(College of Civil Engineering and Architecture,Anhui University of Science and Technology, Huainan Anhui 232001, China)黎明镜(安徽理工大学土木建筑学院,安徽 淮南 232001)