1. School of Civil Engineering and Key Laboratory of New Technology for Construction of Cities in Mountain Area, Chongqing University, Chongqing 400045, P. R. China
2. Central-South Architectural Design Institute Co., Ltd, Wuhan, Hubei, P. R. China
3. Postdoctoral Station of Civil Engineering, School of Civil Engineering and Key Laboratory of New Technology for Construction of Cities in Mountain Area, Chongqing University, Chongqing 400045, P. R. China
4. School of Civil Engineering, Chongqing University, Chongqing 400045, P. R. China