1. School of Civil Engineering, Southwest Jiaotong University, No. 111, 1st Northern Section, Second Ring Rd., Chengdu, Sichuan 610031, China, https://orcid.org/0000-0001-8725-0894 (H.Z.)
2. Highway Engineering Key Laboratory of Sichuan Province, Southwest Jiaotong University, No. 111, 1st Northern Section, Second Ring Rd., Chengdu, Sichuan 610031, China
3. School of Civil Engineering, Southwest Jiaotong University, No. 111, 1st Northern Section, Second Ring Rd., Chengdu, Sichuan 610031, China (Corresponding author), e-mail: haibo.ding@swjtu.edu.cn, https://orcid.org/0000-0001-6288-230X