MOBILE ELEVATION TYPE SCAFFOLD USED FOR MAIN TOWER REPAIR WORK, AND STRUCTURE REPAIR CONSTRUCTION METHOD USING MOBILE ELEVATION TYPE SCAFFOLD FOR MAIN TOWER REPAIR WORK

• Main Authors: MAEKAWA TSUTOMU, TAKAMIYA KAZUMASA, FUMOTO KOICHIRO, OGAWA KAZUYA, KAGOIKE TOSHIHIRO, YOSHIYAMA JUMPEI, MATSUMURA MAKOTO, TOKUSHIGE MASAFUMI
• Format: Patent
• Language: English; Japanese
• Published: 14.11.2019
• Subjects: ASSEMBLY OF BRIDGES; BUILDING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; FORMS; HANDLING BUILDING MATERIALS ON THE SITE; OR VIADUCTS; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS; SCAFFOLDING; SHUTTERING

To provide a mobile elevation type scaffold used for main tower repair work, and a structure repair construction method for the main tower repair work using the mobile elevation type scaffold, capable of performing work by installing the scaffold even in a high-rise and strong wind affected area, for repairing a main tower or bridge pier of a suspension bridge or cable-stayed bridge.SOLUTION: A mobile elevation type scaffold 10 comprises: a guide mast 20 installed along a slope face 2a extending from an upper end to a lower end of a main tower 2 or a bridge pier of a suspension bridge 1 or a cable-stayed bridge; a drive part 30 installed on the guide mast 20 and moving up and down along the guide mast 20; and a work deck 40 installed horizontally on the drive part 30.SELECTED DRAWING: Figure 1 【課題】吊橋又は斜張橋の主塔又は橋脚の補修作業で、高層で風の影響の強い場所でも足場を設置して作業を行うことができる主塔改修工事に用いる移動昇降式足場及び当該移動昇降式足場を用いた主塔改修工事における構造物の補修施工方法を提供する。【解決手段】吊橋１又は斜張橋の主塔２又は橋脚の上端から下端に掛けて法面２ａに沿って設置されるガイドマスト２０と、ガイドマスト２０に設置されて、ガイドマスト２０に沿って昇降移動する駆動部３０と、駆動部３０に水平状態で設置された作業用デッキ４０と、を有する移動昇降式足場１０とした。【選択図】図１