1. School of Civil Engineering, Southwest Jiaotong University, No. 111 First Section North of Second Ring Rd., Chengdu, Sichuan 610031, China
2. School of Civil Engineering, Chongqing University, No. 174 Shazheng St., Shapingba District, Chongqing 400030, China (Corresponding author), e-mail: lianjingswjtu@163.com, https://orcid.org/0000-0002-9077-4661