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A platform for research: civil engineering, architecture and urbanism
Steel box girder structure and method for repairing steel box girder weld joint
The invention relates to the technical field of steel box girders, particularly to a steel box girder structure and a method for repairing cracking of a steel box girder weld joint. The steel box girder structure comprises a steel box girder assembly and a longitudinal reinforcing assembly. The steel box girder assembly comprises a bridge deck slab and a U-shaped rib, the open end of the U-shapedrib is connected with the bottom surface of the bridge deck slab to form a closed structure with an annular cross section, and the longitudinal reinforcing assembly is adhered to the bridge deck slaband the U-shaped rib to cover a weld joint where the bridge deck slab is connected with the U-shaped rib. When steel box girder maintenance is carried out under many limited conditions in the prior art, the longitudinal reinforcing assembly can be pasted to the fatigue cracking position of the steel box girder, so that other feasible schemes are provided besides welding and bolting, the effects ofreinforcing the structure, improving the bearing capacity and limiting crack development are achieved, and the maintenance effects of sustainable maintenance, lossless maintenance and reduction of the influence on traffic are achieved as much as possible.
本发明涉及钢箱梁技术领域，尤其涉及钢箱梁结构及修复钢箱梁焊缝开裂的方法，钢箱梁结构包括钢箱梁组件和纵向补强组件，钢箱梁组件包括桥面板和U肋，U肋的开口端与桥面板的底面连接形成横截面为环状闭合结构，纵向补强组件粘贴于桥面板与U肋上，以覆盖桥面板与U肋连接的焊缝。在现有技术中钢箱梁养护开展受限条件较多的情况下，纵向补强组件粘贴到钢箱梁疲劳开裂处，在焊接、栓接之外提供了其他可行的方案，起到结构补强，提高承载能力和限制裂缝发展的作用，达到可持续维护、无损维护和尽可能减少对交通通行影响的维修效果。
Steel box girder structure and method for repairing steel box girder weld joint
The invention relates to the technical field of steel box girders, particularly to a steel box girder structure and a method for repairing cracking of a steel box girder weld joint. The steel box girder structure comprises a steel box girder assembly and a longitudinal reinforcing assembly. The steel box girder assembly comprises a bridge deck slab and a U-shaped rib, the open end of the U-shapedrib is connected with the bottom surface of the bridge deck slab to form a closed structure with an annular cross section, and the longitudinal reinforcing assembly is adhered to the bridge deck slaband the U-shaped rib to cover a weld joint where the bridge deck slab is connected with the U-shaped rib. When steel box girder maintenance is carried out under many limited conditions in the prior art, the longitudinal reinforcing assembly can be pasted to the fatigue cracking position of the steel box girder, so that other feasible schemes are provided besides welding and bolting, the effects ofreinforcing the structure, improving the bearing capacity and limiting crack development are achieved, and the maintenance effects of sustainable maintenance, lossless maintenance and reduction of the influence on traffic are achieved as much as possible.
本发明涉及钢箱梁技术领域，尤其涉及钢箱梁结构及修复钢箱梁焊缝开裂的方法，钢箱梁结构包括钢箱梁组件和纵向补强组件，钢箱梁组件包括桥面板和U肋，U肋的开口端与桥面板的底面连接形成横截面为环状闭合结构，纵向补强组件粘贴于桥面板与U肋上，以覆盖桥面板与U肋连接的焊缝。在现有技术中钢箱梁养护开展受限条件较多的情况下，纵向补强组件粘贴到钢箱梁疲劳开裂处，在焊接、栓接之外提供了其他可行的方案，起到结构补强，提高承载能力和限制裂缝发展的作用，达到可持续维护、无损维护和尽可能减少对交通通行影响的维修效果。
Steel box girder structure and method for repairing steel box girder weld joint
钢箱梁结构及修复钢箱梁焊缝开裂的方法
ZHANG PENGFEI (author) / ZHOU JIAGANG (author) / ZHANG GEJUN (author) / YAN BING (author) / XING DANDAN (author) / HU BIN (author) / HE CHAO (author) / ZHANG HAOMING (author) / XU ZHIMIN (author) / LI LUWEI (author)
2020-07-10
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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