1. Ph.D. Candidate, Dept. of Civil Engineering, Faculty of Engineering, King Mongkut’s Univ. of Technology Thonburi, Bangkok 10140, Thailand.
2. Professor, Dept. of Civil Engineering, Faculty of Engineering, King Mongkut’s Univ. of Technology Thonburi, Bangkok 10140, Thailand (corresponding author).
3. Lecturer, Dept. of Civil Engineering, Faculty of Engineering, Burapha Univ., Chonburi 20131, Thailand.
4. Graduate Student, Dept. of Civil Engineering, Faculty of Engineering, King Mongkut’s Univ. of Technology Thonburi, Bangkok 10140, Thailand.