その他

[III-67] Direct shear characteristics of pumice stones washed ashore on the coast of Okinawa islands due to the eruption of the submarine volcano "Fukutoku Okanoba"

*Yoichi Watabe¹, Hana Kobayashi¹, Yoshiyuki Morikawa², Masatoyo Ishihara³, Yasuo Shimakura⁴ (1. Hokkaido University, 2. Port and Airport Research Institute, 3. Ministry of Land, Infrastructure, Transport and Tourism, 4. Okinawa General Bureau)

Keywords:pumice stone, shear strength, particle crushing