港湾施設(1)

[II-78] Long-term durability evaluation of friction enhancement asphalt mat sampled from caisson breakwater in actual water area

〇Masahiro Sato¹, Masafumi Miyata², Akihiro Adachi³, Kouzo Nakagawa³, Yousuke Yamagishi⁴, Keiichi Ikenaga⁴, Atsushi Yamanaka⁵, Seiji Umebara⁵ (1.Costal Development Institute of Technology, 2.National Institute for Land and Infrastructure Mabagement, 3.Ministry of Land,Infrastructure,Transport and Tourism Kinki Regional Development Bureau, 4.Wakayama Prefecture, 5.Kochi Prefecture)

Keywords:caisson type breakwater, friction enhancement mat, asphalt mat, Long-term durability evaluation, friction coefficient