1. Ph.D. Candidate, Dept. of Civil Engineering, Dalian Univ. of Technology, No. 2 Linggong Rd., High-Tech District, Dalian, Liaoning 116024, China.
2. Professor, Dept. of Civil Engineering, State Key Laboratory of Coastal and Offshore Engineering, Dalian Univ. of Technology, No. 2 Linggong Rd., High-Tech District, Dalian, Liaoning 116024, China (corresponding author).