1. Professor, School of Civil and Transportation Engineering, Guangdong Univ. of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510006, China.
2. Postgraduate, School of Civil and Transportation Engineering, Guangdong Univ. of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510006, China.
3. Professor, Dept. of Civil and Environmental Engineering, Univ. of Tennessee, 313 John D. Tickle, Knoxville, TN 37996-2313; Taishan Scholar, Shandong Jianzhu Univ., Jinan 250101, China (corresponding author).
4. Ph.D Candidate, Dept. of Civil and Environmental Engineering, Univ. of Tennessee, 313 John D. Tickle, Knoxville, TN 37996-2313.