Longitudinal and Shear Wave Velocities Measurement in Compacted Bentonite for Water ContentShun Kimura, Kazumi Kitayama, Hideharu Takahashi, Kazushi Kimoto, Katsuyuki Kawamura and Hiroshige KikuraE3S Web Conf., 43 (2018) 01016DOI: https://doi.org/10.1051/e3sconf/20184301016