1. State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin Univ., Tianjin 300072, China.
2. National Engineering Laboratory for Digital Construction and Evaluation Technology of Urban Rail Transit, China Railway Design Corporation, Tianjin 300251, China.
3. State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin Univ., Tianjin 300072, China (corresponding author).