24-hours broadband measurements of elastic waves transmitted through sand soils under dry and saturated conditions to investigate differences in propagation characteristics


Masayuki Nakayama1, Hironori Kawakata1, Shiro Hirano1, Issei Doi2 and Naoki Takahashi3, (1)Ritsumeikan University, Kusatsu, Japan, (2)Kyoto University, Disaster Prevention Research Institute, Kyoto, Japan, (3)Sumitomo Mitsui Constr. Co., Ltd, Nagareyama, Japan