A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Large-span concrete arch bridge cable-stayed buckling cantilever pouring construction method
The invention particularly relates to a large-span concrete arch bridge cable-stayed buckling cantilever casting construction method, and solves the problems of low safety and stability of a buckling tower system and high equipment cost of an existing large-span reinforced concrete arch bridge. The invention discloses a large-span concrete arch bridge cable-stayed buckling cantilever pouring construction method. The method comprises the steps that S1, an approach bridge structure and an arch support are constructed; s2, boundary piers and temporary buttresses are constructed; s3, arch ring sections between the skewback and the temporary buttresses are poured; s4, constructing a buttress framed bent, and installing a buckling tower; mounting a cable crane system; s5, the arch ring between the two temporary buttresses is cast in a suspended mode; s6, a steel truss is hoisted between the two sections of arch rings; s7, concrete is poured on the periphery of the steel truss, and large closure of the main arch ring is completed; the purpose of safe and stable construction of the large-span concrete arch bridge is achieved, the anchoring distance of the buckle cable is shortened, then the construction cost is reduced, the safety and stability of the arch ring are enhanced, and the span of the arch ring is increased.
本发明具体是一种大跨度混凝土拱桥斜拉扣挂悬臂浇筑施工方法，解决了现有大跨度钢筋混凝土拱桥存在扣塔系统的安全性及稳定性低、设备成本高的问题。一种大跨度混凝土拱桥斜拉扣挂悬臂浇筑施工方法，步骤S1：施工引桥结构和拱座；步骤S2：施工分界墩以及临时支墩；步骤S3：浇筑拱座与临时支墩之间的拱圈节段；步骤S4：施工支墩排架，安装扣塔；安装缆索吊系统；步骤S5：悬浇两个临时支墩之间的拱圈；步骤S6：在两段拱圈之间吊装钢桁架；步骤S7：在钢桁架的外围浇筑混凝土，完成主拱圈大合拢；本发明实现了大跨度混凝土拱桥安全、稳定施工的目的，缩短了扣索的锚固距离，进而降低了施工成本，加强了拱圈的安全性及稳定性，提高了拱圈的跨度。
Large-span concrete arch bridge cable-stayed buckling cantilever pouring construction method
The invention particularly relates to a large-span concrete arch bridge cable-stayed buckling cantilever casting construction method, and solves the problems of low safety and stability of a buckling tower system and high equipment cost of an existing large-span reinforced concrete arch bridge. The invention discloses a large-span concrete arch bridge cable-stayed buckling cantilever pouring construction method. The method comprises the steps that S1, an approach bridge structure and an arch support are constructed; s2, boundary piers and temporary buttresses are constructed; s3, arch ring sections between the skewback and the temporary buttresses are poured; s4, constructing a buttress framed bent, and installing a buckling tower; mounting a cable crane system; s5, the arch ring between the two temporary buttresses is cast in a suspended mode; s6, a steel truss is hoisted between the two sections of arch rings; s7, concrete is poured on the periphery of the steel truss, and large closure of the main arch ring is completed; the purpose of safe and stable construction of the large-span concrete arch bridge is achieved, the anchoring distance of the buckle cable is shortened, then the construction cost is reduced, the safety and stability of the arch ring are enhanced, and the span of the arch ring is increased.
本发明具体是一种大跨度混凝土拱桥斜拉扣挂悬臂浇筑施工方法，解决了现有大跨度钢筋混凝土拱桥存在扣塔系统的安全性及稳定性低、设备成本高的问题。一种大跨度混凝土拱桥斜拉扣挂悬臂浇筑施工方法，步骤S1：施工引桥结构和拱座；步骤S2：施工分界墩以及临时支墩；步骤S3：浇筑拱座与临时支墩之间的拱圈节段；步骤S4：施工支墩排架，安装扣塔；安装缆索吊系统；步骤S5：悬浇两个临时支墩之间的拱圈；步骤S6：在两段拱圈之间吊装钢桁架；步骤S7：在钢桁架的外围浇筑混凝土，完成主拱圈大合拢；本发明实现了大跨度混凝土拱桥安全、稳定施工的目的，缩短了扣索的锚固距离，进而降低了施工成本，加强了拱圈的安全性及稳定性，提高了拱圈的跨度。
Large-span concrete arch bridge cable-stayed buckling cantilever pouring construction method
一种大跨度混凝土拱桥斜拉扣挂悬臂浇筑施工方法
CHEN JINMING (author) / SHEN XIAOPING (author) / YUAN CHUANGUI (author) / WANG XINGGUANG (author) / MA SHIQIANG (author) / QIU RUI (author) / XIE JIANHUA (author) / LIU XIAOJUN (author)
2023-04-21
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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