作者单位:NIU Xue-chao,CHEN Hui(Department of Technical College Of Industrial Construction in Beijing, Beijing 100042, China)牛学超,陈辉(北京工业职业技术学院建筑工程系,北京 100042)YANG Ren-shu(Mechanical and Civil Engineering Institute of China University of Mining and Technology(Beijing), Beijing 100083, China)杨仁树(中国矿业大学(北京)力学与建筑工程学院,北京 100083)BAI Chuan-jun(Coal in the 29th Agency, Suzhou Anhui 234000, China)白传军(中煤第二十九工程处,安徽 宿州 234000)