Estimation of the propagation characteristics of elastic waves propagating through a partially saturated sand soil

Masayuki Nakayama1, Hironori Kawakata1, Issei Doi2 and Naoki Takahashi3, (1)Ritsumeikan University, Kusatsu, Japan, (2)SATREPS, Tokyo, Japan, (3)Sumitomo Mitsui Construction.Co.Ltd., Nagareyama, Japan