About ODASHIMA HIROSHI
About 北海道開発局 開発土木研
About NOTO SHIGEYUKI
About 北海道開発局 開発土木研
About HAYASHI HIRONORI
About 北海道開発局 開発土木研
About 土木学会年次学術講演会講演概要集 第3部
About volcanic ash soil
About Earth pressure,dynamic properties of soil,stress and deformations of ground
About Soil improvement and stabilization
About 火山灰
About 地盤
About 間隙水圧
About 観測