1. Ph.D. Candidate, Dept. of Civil and Environmental Engineering, College of Design and Engineering, National Univ. of Singapore, Singapore 117576 (corresponding author). ORCID: .
2. Senior Lecturer, Dept. of Civil and Environmental Engineering, College of Design and Engineering, National Univ. of Singapore, Singapore 117576. ORCID: .
3. Professor, Dept. of Civil and Environmental Engineering, College of Design and Engineering, National Univ. of Singapore, Singapore 117576.