1. a Department of Hydraulic and Ocean Engineering, National Cheng Kung University, Tainan, Taiwan
2. b Department of Hydraulic and Ocean Engineering, National Cheng Kung University, Tainan, Taiwan
3. c Department of Hydraulic and Ocean Engineering, National Cheng Kung University, Tainan, Taiwan
4. d Department of Construction Management and Planning, Leader University, Tainan, Taiwan