1. Dept. of Civil and Environmental Engineering, National Univ. of Singapore, 117576 Singapore (corresponding author). ORCID: .
2. Professor, State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan Univ., Wuhan 430072, P.R. China.
3. Research Fellow, Dept. of Civil and Environmental Engineering, National Univ. of Singapore, 117576 Singapore.
4. Executive Project Engineer, Rail Expansion, Land Transport Authority, 219428 Singapore.
5. Professor, Dept. of Civil and Environmental Engineering, National Univ. of Singapore, 117576, Singapore.