Akiyuki Kawasaki¹, Ralph Allen E. Acierto², Seemanta Sharma Bhagabati³, Masaki Yasukawa⁴, Win Win Zin⁵, Khin Than Yu⁵ and Masaru Kitsuregawa⁶, (1)University of Tokyo, Department of Civil Engineering, Tokyo, Japan, (2)University of Tokyo, Bunkyo-ku, Japan, (3)The University of Tokyo, Department of Civil Engineering, Tokyo, Japan, (4)The University of Tokyo, Institute of Industrial Science, Tokyo, Japan, (5)Yangon Technological University, Yangon, Myanmar, (6)University of Tokyo, Institute of Industrial Science, Tokyo, Japan