1. Doctor, School of Civil Engineering and Transportation, South China Univ. of Technology, Guangzhou, Guangdong Province 510641, China (corresponding author).
2. Professor, Faculty of Infrastructure Engineering, Institute of Earthquake Engineering, Dalian Univ. of Technology, Dalian, Liaoning Province 116024, China.
3. Associate Professor, Faculty of Infrastructure Engineering, Institute of Earthquake Engineering, Dalian Univ. of Technology, Dalian, Liaoning Province 116024, China.