A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Asymmetric closure construction method for large-span steel-concrete composite beam bridge
The invention relates to the technical field of large-span steel-concrete composite beam bridge construction, and discloses an asymmetric closure construction method for a large-span steel-concrete composite beam bridge, which comprises the following steps of: constructing a suspended pouring beam section by adopting a symmetrical suspended pouring mode, and then closing a mid-span of the bridge, so that a counter weight can be added on a mid-span steel box beam; according to the side span cast-in-place beam construction method, the (N + 3) th beam section, the (N + 4) th beam section and the (N + 5) th beam section of the side span cast-in-place beam are continuously cast in a suspended mode, so that the side span cast-in-place beam can be constructed to be longer in length in an asymmetric suspended pouring mode, the length of the side span cast-in-place beam needing to be constructed is reduced, more side span construction supports do not need to be erected, support input is reduced, side span construction steps are simplified, and construction efficiency is improved. And the bridge construction efficiency can be improved. And meanwhile, the complicated construction environment can be better adapted after the side span construction support erecting procedure is reduced, the structural stress performance is effectively guaranteed, the construction safety risk and construction difficulty are reduced, the construction cost is reduced, and construction reference is provided for bridges in terrains such as mountainous rivers and deep ditches.
本发明涉及大跨度钢‑混组合梁桥施工技术领域，公开一种大跨径钢‑混组合梁桥非对称合龙施工方法，先采用对称悬浇方式施工悬浇梁段，而后，先将桥梁的中跨合龙，如此能在中跨钢箱梁上增加配重，以继续悬浇边跨悬浇梁的第N+3梁段、第N+4梁段和第N+5梁段，使得边跨悬浇梁可以采用非对称悬浇的方式施工更长的长度，从而减少所需施工的边跨现浇梁的长度，进而无需搭设较多的边跨施工支架，减少支架投入，简化了边跨施工步骤，能提高桥梁施工效率。同时，减少边跨施工支架搭设工序后能更好地适应复杂施工环境，有效保证了结构受力性能，降低施工安全风险和施工难度，降低施工成本，为山区河流、深沟等地形处的桥梁提供建设参考。
Asymmetric closure construction method for large-span steel-concrete composite beam bridge
The invention relates to the technical field of large-span steel-concrete composite beam bridge construction, and discloses an asymmetric closure construction method for a large-span steel-concrete composite beam bridge, which comprises the following steps of: constructing a suspended pouring beam section by adopting a symmetrical suspended pouring mode, and then closing a mid-span of the bridge, so that a counter weight can be added on a mid-span steel box beam; according to the side span cast-in-place beam construction method, the (N + 3) th beam section, the (N + 4) th beam section and the (N + 5) th beam section of the side span cast-in-place beam are continuously cast in a suspended mode, so that the side span cast-in-place beam can be constructed to be longer in length in an asymmetric suspended pouring mode, the length of the side span cast-in-place beam needing to be constructed is reduced, more side span construction supports do not need to be erected, support input is reduced, side span construction steps are simplified, and construction efficiency is improved. And the bridge construction efficiency can be improved. And meanwhile, the complicated construction environment can be better adapted after the side span construction support erecting procedure is reduced, the structural stress performance is effectively guaranteed, the construction safety risk and construction difficulty are reduced, the construction cost is reduced, and construction reference is provided for bridges in terrains such as mountainous rivers and deep ditches.
本发明涉及大跨度钢‑混组合梁桥施工技术领域，公开一种大跨径钢‑混组合梁桥非对称合龙施工方法，先采用对称悬浇方式施工悬浇梁段，而后，先将桥梁的中跨合龙，如此能在中跨钢箱梁上增加配重，以继续悬浇边跨悬浇梁的第N+3梁段、第N+4梁段和第N+5梁段，使得边跨悬浇梁可以采用非对称悬浇的方式施工更长的长度，从而减少所需施工的边跨现浇梁的长度，进而无需搭设较多的边跨施工支架，减少支架投入，简化了边跨施工步骤，能提高桥梁施工效率。同时，减少边跨施工支架搭设工序后能更好地适应复杂施工环境，有效保证了结构受力性能，降低施工安全风险和施工难度，降低施工成本，为山区河流、深沟等地形处的桥梁提供建设参考。
Asymmetric closure construction method for large-span steel-concrete composite beam bridge
大跨径钢-混组合梁桥非对称合龙施工方法
WANG GAOSI (author) / SONG BING (author) / LUO PENG (author) / GUO JIEXIN (author) / REN JIANPING (author) / YANG JUNHONG (author) / WANG JUN (author) / YAN CHAOYUE (author) / YUAN RONGXUAN (author)
2024-03-26
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
Construction Simulation for Large-Span Continuous Steel-Concrete Composite Beam Bridge
| British Library Conference Proceedings | 2009
Construction method of large-span section steel composite beam bridge
| European Patent Office | 2022
Midspan closure method of large-span composite beam cable-stayed bridge
| European Patent Office | 2022
Construction method for large-span prefabricated erected steel-concrete composite beam
| European Patent Office | 2023
Asymmetric load steel truss girder cable-stayed bridge side span closure construction control method
| European Patent Office | 2024