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

Masayuki Nakayama, Ritsumeikan University, Kusatsu, Japan, Hironori Kawakata, Ritsumeikan University, Kusatsu Shiga, Japan, Issei Doi, SATREPS, Tokyo, Japan and Naoki Takahashi, Sumitomo Mitsui Construction.Co.Ltd., Nagareyama, Japan