1. Ph.D., Dept. of Civil Engineering, Shanghai Jiaotong Univ., Shanghai 200240, China; Associate Professor, School of Civil Engineering and Architecture of Henan Univ., Kaifeng 475004, China (corresponding author).
2. Professor, Dept. of Civil Engineering, Shanghai Jiaotong Univ., Shanghai 200240, China.
3. Associate Professor, Dept. of Civil Engineering, Shanghai Jiaotong Univ., Shanghai 200240, China.