Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
BRIDGE FALL PREVENTION STRUCTURE FOR MASONRY BRIDGE PIER
To achieve a bridge fall prevention structure for masonry bridge pier being less liable to cause a bridge girder installed on the masonry bridge pier to fall even in the event a part of the masonry bridge pier collapses during a large scale earthquake.SOLUTION: A bridge fall prevention structure for masonry bridge pier 100 has a reinforcing member 10 installed which penetrates an existing masonry bridge pier 1 with its lower end 10a penetrating a foundation structure 3 supporting the masonry bridge pier 1, and a bridge girder mounting part 50 in which the masonry pier 1 surrounded by a frame member 20 on the upper end side of the masonry pier 1 is integrated with a reinforcement member 10. The reinforcement member 10 penetrating the foundation structure 3 maintains the standing state even if a part of the masonry pier 1 collapses during a large scale earthquake. A bridge girder 5 supported by the masonry pier 1 is placed on the bridge girder mounting portion 50 integrated with reinforcement member 10 upper end 10b such as to maintain its height position. Thus, preventing the bridge fall of the bridge girder 5.SELECTED DRAWING: Figure 1
【課題】大規模地震時に組積造橋脚の一部が崩れてしまっても、組積造橋脚上に設置されている橋桁が落下するおそれの少ない組積造橋脚の落橋防止構造を実現する。【解決手段】既設の組積造橋脚１を貫通し、その下端部１０ａが組積造橋脚１を支持している基礎構造体３に貫入している補強部材１０を設置し、その組積造橋脚１の上端側において枠部材２０に囲われている組積造橋脚１が補強部材１０と一体化された橋桁載置部５０を備えている組積造橋脚の落橋防止構造１００であれば、大規模地震時に組積造橋脚１の一部が崩れてしまっても、基礎構造体３に貫入している補強部材１０は立設した姿勢を維持し、その補強部材１０の上端部１０ｂに一体化されている橋桁載置部５０に、組積造橋脚１が下支えしていた橋桁５がその高さ位置を維持するように載置されるようになるので、橋桁５の落橋を防ぐことができる。【選択図】図１
BRIDGE FALL PREVENTION STRUCTURE FOR MASONRY BRIDGE PIER
To achieve a bridge fall prevention structure for masonry bridge pier being less liable to cause a bridge girder installed on the masonry bridge pier to fall even in the event a part of the masonry bridge pier collapses during a large scale earthquake.SOLUTION: A bridge fall prevention structure for masonry bridge pier 100 has a reinforcing member 10 installed which penetrates an existing masonry bridge pier 1 with its lower end 10a penetrating a foundation structure 3 supporting the masonry bridge pier 1, and a bridge girder mounting part 50 in which the masonry pier 1 surrounded by a frame member 20 on the upper end side of the masonry pier 1 is integrated with a reinforcement member 10. The reinforcement member 10 penetrating the foundation structure 3 maintains the standing state even if a part of the masonry pier 1 collapses during a large scale earthquake. A bridge girder 5 supported by the masonry pier 1 is placed on the bridge girder mounting portion 50 integrated with reinforcement member 10 upper end 10b such as to maintain its height position. Thus, preventing the bridge fall of the bridge girder 5.SELECTED DRAWING: Figure 1
【課題】大規模地震時に組積造橋脚の一部が崩れてしまっても、組積造橋脚上に設置されている橋桁が落下するおそれの少ない組積造橋脚の落橋防止構造を実現する。【解決手段】既設の組積造橋脚１を貫通し、その下端部１０ａが組積造橋脚１を支持している基礎構造体３に貫入している補強部材１０を設置し、その組積造橋脚１の上端側において枠部材２０に囲われている組積造橋脚１が補強部材１０と一体化された橋桁載置部５０を備えている組積造橋脚の落橋防止構造１００であれば、大規模地震時に組積造橋脚１の一部が崩れてしまっても、基礎構造体３に貫入している補強部材１０は立設した姿勢を維持し、その補強部材１０の上端部１０ｂに一体化されている橋桁載置部５０に、組積造橋脚１が下支えしていた橋桁５がその高さ位置を維持するように載置されるようになるので、橋桁５の落橋を防ぐことができる。【選択図】図１
BRIDGE FALL PREVENTION STRUCTURE FOR MASONRY BRIDGE PIER
組積造橋脚の落橋防止構造
OSATO TAKAYUKI (Autor:in) / TAKAHASHI SAKIKO (Autor:in) / FUJITA TAKESHI (Autor:in) / SAITO YUKI (Autor:in) / KOBAYASHI KAORU (Autor:in)
07.02.2019
Patent
Elektronische Ressource
Japanisch
IPC:
E01D
BRIDGES
,
Brücken