1. Professor, School of Civil Engineering, Chongqing Univ., Chongqing 400045, China; Professor, Key Laboratory of New Technology for Construction of Cities in Mountain Area, Ministry of Education, Chongqing Univ., Chongqing 400045, China.
2. Ph.D. Student, School of Civil Engineering, Chongqing Univ., Chongqing 400045, China; Ph.D. Student, Key Laboratory of New Technology for Construction of Cities in Mountain Area, Ministry of Education, Chongqing Univ., Chongqing 400045, China.
3. School of Civil Engineering, Chongqing Univ., Chongqing 400045, China; Key Laboratory of New Technology for Construction of Cities in Mountain Area, Ministry of Education, Chongqing Univ., Chongqing 400045, China (corresponding author).