[1] Key Lab. of New Technology for Construction of Cities in Mountain Area of Ministry of Education, Chongqing University, Chongqing 400045, China
[2] School of Civil Engineering and Architecture, Chongqing University of Science and Technology, Chongqing 401331, China
[3] Post Doctor Mobile Station, Logistical Engineering University of PLA, Chongqing 400016, China