1. School of Civil and Transportation Engineering, Guangdong Univ. of Technology, Guangzhou 510006, China; Doctoral Candidate, Graduate School of Engineering, Osaka Univ., Osaka 565-0871, Japan.
2. Master’s Candidate, School of Civil and Transportation Engineering, Guangdong Univ. of Technology, Guangzhou 510006, China.
3. School of Civil and Transportation Engineering, Guangdong Univ. of Technology, Guangzhou 510006, China.
4. Professor, School of Civil and Transportation Engineering, Guangdong Univ. of Technology, Guangzhou 510006, China.
5. Professor, School of Civil and Transportation Engineering, Guangdong Univ. of Technology, Guangzhou 510006, China; Guangdong AIB Polytechnic, Guangzhou 510507, China (corresponding author).