About HAYASHIDA HIROSHI
About 土木研 寒地土木研
About コンクリート構造物の補修,補強,アップグレード論文報告集
About ultrasonic wave
About tomography
About reinforced concrete
About concrete slab
About performance evaluation
About damage and injury
About nondestructive inspection
About microcrack
About highway bridge
About bridge deck
About full-scale test
About reinforced concrete floor slab
About damage evaluation
About Failure and maintenance of bridges,and others
About 超音波
About トモグラフィ
About RC床版
About 供試体
About 損傷評価