About TAKEDA MITSUHIRO
About OTSUKA KOJI
About 土木学会年次学術講演会講演概要集 第5部
About asphalt pavement
About Construction material tests
About Concrete structures
About Failure and maintenance of bridges,and others
About アスファルト舗装
About コンクリート床版
About 非破壊検査
About 開発
About 研究