About SAKAI HIDEAKI
About 中日本高速道路 技術・建設本部
About コンクリート工学
About prestressed concrete bridge
About box girder bridge
About prestressed concrete structure
About segment(parts)
About precast concrete
About construction method
About evaluation
About bonding and joining
About design
About prestressed concrete box girder bridge
About マッチキャスト工法
About conceptual design
About structural performance
About sustainability assessment
About Concrete bridges,ones built with other materials
About PC橋
About プレキャスト
About 工法
About プレキャストセグメント
About PC箱桁橋
About 設計
About 施工