1. School of Civil Engineering and Transportation, South China University of Technology, No. 381, Wu Shan Road, Tianhe District, Guangzhou 510640, P. R. China
2. School of Civil Engineering and Transportation, South China University of Technology, No. 381, Wu Shan Road, Tianhe District, Guangzhou 510640, P. R. China (Corresponding author), e-mail: ctclxiong@mail.scut.edu.cn, https://orcid.org/0000-0001-9534-046X
3. Guangzhou Municipal Engineering Group Co. Ltd, No. 338, Huanshi East Road, Yuexiu District, Guangzhou 510640, P. R. China