About WAKATSUKI TSUYOSHI
About SASAKI YOSHINORI
About TANAKA YUKIYA
About Kyung Hee Univ.
About MATSUKURA YUKINORI
About slope failure
About せん断強度
About Soil structure and physical/chemical properties
About Natural disasters
About マサ土
About 粒度組成
About せん断強度
About 定数
About 透水係数
About 推定
About 試み