6:15 PM - 7:30 PM
*Hiroyuki OHATA1, Takeshi SAITO1, Shinya TACHIBANA1, L. C. B., Balasooriya B.2, H., Priyankara N.2, C., Kurukulasuriya L.3, Ken KAWAMOTO1 (1.Graduate School of Science and Engineering, Saitama University, Japan, 2.Department of Civil and Environmental Engineering, University of Ruhuna, Galle, Sri Lanka, 3.Department of Civil Engineering, Faculty of Engineering, University of Peradeniya, Sri LnakaDepartme)