Transmission experiment of elastic waves with short wavelengths through a highly porous sand soil during water injection

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