*Satoru Kojima1, Hidehisa Nagata2 (1.Department of Civil Engineering, Gifu University, 2.Fu-Sui-Do Company Limited)
convener:Satoru Kojima(Department of Civil Engineering, Gifu University), Hiroshi YAGI(Faculty of Art, Science and Education, Yamagata University), Taro Uchida(University of Tsukuba), Yoshihiko Kariya(Department of Environmental Geography, Senshu University)