4:30 PM - 4:45 PM
*Takuma Murakami1, Shuji Tamamura1, Akio Ueno1, Noritaka Aramaki1, Satoshi Tamazawa1, AKM Badrul Alam1, Toshifumi Igarashi2, Katsuhiko Kaneko1, Isao Machida3, Atsunao Marui3 (1.Horonobe Research Inst. for the Subsurface Environment, 2.Faculty of Engineering, Hokkaido University, 3.National Institute of Advanced Industrial Science and Technology)