1. Doctoral Candidate in the Geotechnical Engineering Program, School of Civil Engineering, Asian Institute of Technology, Klong Luang, Pathumthani, 12120, Thailand. E-mail: st018571@ait.ac.th
2. Professor in the Geotechnical Engineering Program, School of Civil Engineering, Asian Institute of Technology, Klong Luang, Pathumthani, 12120, Thailand. E-mail: bergado@ait.ac.th