1. Associate Professor, Key Laboratory of New Technology for Construction of Cities in Mountain Area and School of Civil Engineering, Chongqing Univ., Chongqing 400045, China (corresponding author).
2. Professor, Dept. of Civil and Environmental Engineering, Univ. of Waterloo, Waterloo, ON, Canada N2L 3G1.
3. Lecturer, School of Civil Engineering, Chongqing Univ., Chongqing 400045, China.
4. Associate Professor, College of Civil Engineering, Chang’an Univ., Xi’an 710061, China.