1. Professor, School of Civil Engineering, Chongqing Univ., Chongqing 400030, China.
2. Ph.D. Candidate, School of Civil Engineering, Chongqing Univ., Chongqing 400030, China (corresponding author).
3. Postdoctoral Researcher, School of Civil Engineering, Chongqing Univ., Chongqing 400030, China.