FENG Hong1,2, XIAO Zheng-zhi1,2, LI Zheng-liang1,2, WEI Qi-ke2,3,SUN Yi2, OU Yang-guang2,4
(1. Key Laboratory of New Technique for Construction of Cities in Mountain Area (Chongqing Univ), Ministry of Education, Chongqing 400045, China; 2. College of Civil Engineering, Chongqing Univ, Chongqing400045, China;3. China Metallurgical Construction Engineering Group Co, LTD, Chongqing400050, China;4. Chongqing Construction Engineering Group,Chongqing400013, China)