About KAJI HIDEKI
About JR東海
About USAMI RYUICHI
About JR東海
About OHARA HISASHI
About 宮地エンジニアリング
About KOYAMA KENZO
About 瀧上建設興業
About super express
About rehabilitation management
About large scale
About civil engineering structure
About improvement and repair
About steel structure
About railway bridge
About floor frame
About joint(part)
About reinforcement
About strengthening work
About Aichi prefecture
About Gifu prefecture
About Tokyo Metropolis
About steel bridge
About Tokaido Shinkansen
About 馬込架道橋
About 木曽川橋
About Failure and maintenance of bridges,and others
About 東海道新幹線
About 床組
About 接合部
About 補強
About 施工
About 木曽川
About 橋りょう
About 架道橋