1. Professor, School of Civil Engineering, Dalian Univ. of Technology, Dalian 116023, China.
2. Master's Candidate, School of Civil Engineering, Dalian Univ. of Technology, Dalian 116023, China.
3. Professor, School of Civil Engineering, Dalian Univ. of Technology, Dalian 116023, China (corresponding author).
4. Chief Engineer, China Railway Bridge and Tunnel Technologies Co., Ltd., Nanjing 210061, China.