About YATABE RYUICHI
About 地盤工学会誌
About research and development
About soil mechanics and foundation engineering
About Shikoku District
About ground
About database
About prevention against falling stone
About soil stabilization
About large earthquake
About earthquake disaster
About road
About safety countermeasure
About estimation earthquake
About Engineering
About 空気注入工法
About Research and development
About General
About 四国
About 将来展望