[1]School of Civil Engineering, Chongqing University, Chongqing 400045, China;
[2]School of Civil Engineering, Hebei University of Engineering, Handan 056038, China;
[3]Key Laboratory of New Technology for Construction of Cities in Mountain Area of Ministry of Education, Chongqing 400045, China;
[4]College of Aerospacing Engineering, Chongqing University, Chongqing 400045, China;