9:30 AM - 9:45 AM
*Chanmaly Chhun1,2, Takeshi Tsuji1,2, Tatsunori Ikeda1, Yasuhiro Fujimitsu1, Jun Nishijima1, Keigo Kitamura1 (1.Department of Earth Resources Engineering, Kyushu University, Japan, 2.School of Engineering, the University of Tokyo, Japan)