*Kazuki Ito1, Kazunari Tanaka2 (1.Graduate School of Engineering Osaka Institute of Technology, 2.Osaka Institute of Technology)
convener:Mamoru Koarai(Earth Science course, College of Science, Ibaraki University), Kazunari Tanka(Department of Civil Engineering and Urban Design, Faculty of Engineering, Osaka Institute of Technology), Kazuhiko W. Nakamura(The University of Tokyo)