透水・浸透・地下水 (1)

[III-262] Gypsum survey result in an embankment which doesn't suit living of a mole and the correlation of the penetration stick investigation and the mole hole distribution circumstances

*Takayoshi Usui¹, Daisaku Morita¹, kazuya urushihara², takayoshi chiba², kenichi ono² (1. PACIFIC CONSULTANTS CO., LTD., 2. TOHOKU ENGINEERING OFFICE)

Keywords:mole hole, river embankments, river maintenance, embankment excavation