Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Unstressed length installation construction method for variable-height continuous steel truss girder bridge
The invention provides a variable-height continuous steel truss girder bridge unstressed length installation construction method, relates to the field of bridge structure construction, and aims to solve the problem that precise closure is difficult due to the fact that deviation exists between a closure opening posture and a designed finished bridge state at present, a weight and a balance weight are arranged, and the stability in the main span suspended splicing process is kept through the weight; through step-by-step evacuation of the counter weight, accurate consistency of the closure opening state and the bridge forming state is achieved, the temporary support can unlock displacement in the bridge direction, before closure section construction, horizontal errors accumulated in the steel truss girder installation process are processed, and accurate positioning of the distance and the elevation of the closure section and the closure opening is achieved.
本发明提供一种变高度连续钢桁梁桥无应力长度安装施工方法，涉及桥梁结构施工领域，针对目前合拢口姿态与设计成桥状态存在偏差导致难以精准合拢的问题，设置压重和配重，利用压重保持主跨悬拼过程中的稳定性，通过配重的逐级撤离，实现合拢口状态与成桥状态的精准一致，临时支座能够解锁顺桥向的位移，在合拢段施工前，将钢桁梁安装过程中积累的水平向误差进行处理，实现合拢段和合拢口间距和高程的精准定位。
Unstressed length installation construction method for variable-height continuous steel truss girder bridge
The invention provides a variable-height continuous steel truss girder bridge unstressed length installation construction method, relates to the field of bridge structure construction, and aims to solve the problem that precise closure is difficult due to the fact that deviation exists between a closure opening posture and a designed finished bridge state at present, a weight and a balance weight are arranged, and the stability in the main span suspended splicing process is kept through the weight; through step-by-step evacuation of the counter weight, accurate consistency of the closure opening state and the bridge forming state is achieved, the temporary support can unlock displacement in the bridge direction, before closure section construction, horizontal errors accumulated in the steel truss girder installation process are processed, and accurate positioning of the distance and the elevation of the closure section and the closure opening is achieved.
本发明提供一种变高度连续钢桁梁桥无应力长度安装施工方法，涉及桥梁结构施工领域，针对目前合拢口姿态与设计成桥状态存在偏差导致难以精准合拢的问题，设置压重和配重，利用压重保持主跨悬拼过程中的稳定性，通过配重的逐级撤离，实现合拢口状态与成桥状态的精准一致，临时支座能够解锁顺桥向的位移，在合拢段施工前，将钢桁梁安装过程中积累的水平向误差进行处理，实现合拢段和合拢口间距和高程的精准定位。
Unstressed length installation construction method for variable-height continuous steel truss girder bridge
一种变高度连续钢桁梁桥无应力长度安装施工方法
XU ZHAO (Autor:in) / ZHAO HONGJIAO (Autor:in) / XU CHANGZE (Autor:in) / GUAN XIKUN (Autor:in) / HUANG WEI (Autor:in) / ZHANG HAN (Autor:in) / LI YUNPENG (Autor:in)
01.03.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
E01D
BRIDGES
,
Brücken
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