1. Professor, School of Civil Engineering, Chongqing Univ., Chongqing 400044, PR China (corresponding author). ORCID: .
2. Graduate Student, School of Civil Engineering, Beijing Jiaotong Univ., Beijing 100044, PR China.
3. Professor, School of Civil Engineering, Chongqing Univ., Chongqing 400044, PR China.