A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Construction method of deep-cutting canyon large-span cable-stayed bridge
The invention provides a construction method of a deep canyon large-span cable-stayed bridge, which is characterized in that a temporary buckling tower is arranged on a top beam surface of an auxiliary pier, the buckling tower is connected with a side span and a secondary side span through a temporary buckling cable to form a stable structural system, and a side span closure section is omitted. The construction organization is optimized in the construction stage, the construction flow direction is optimized to be the sequence of side span-secondary side span-0 # and 1 # beam section-midspan, 0 # and 1 # beam section construction is in lap joint with cable bent tower construction, a standard section is formed by splicing a whole section of steel beam, the construction period of the standard section is shortened, and an upper structure construction key line is integrally shortened. The construction period of the large-span cable-stayed bridge is shortened, the installation time is shortened, the accuracy is high, and the method can adapt to construction of the large-span cable-stayed bridge under different conditions. The cable-stayed bridge is simple and reliable in structure and convenient to operate, the installation speed is increased, and construction of the cable-stayed bridge of the same type is standardized, normalized and safe.
本发明提供了一种深切峡谷大跨斜拉桥的建造方法，在辅助墩墩顶梁面上设置临时扣塔，扣塔与边跨及次边跨通过临时扣索连接形成稳定的结构体系，取消边跨合龙段。施工阶段优化施工组织，使施工流向优化为“边跨‑次边跨‑0#、1#梁段‑中跨”的顺序，0#、1#梁段施工与索塔施工搭接，标准节段采用整段钢梁拼装，缩短标准节段施工工期，整体缩短上部结构施工关键线路。缩短了大跨斜拉桥建造周期，使安装时间缩短，准确度较高，能够适应不同条件下的大跨斜拉桥施工。该发明结构简单、可靠、操作方便，加快安装速度，使同类型斜拉桥施工标准化，规范化，安全化。
Construction method of deep-cutting canyon large-span cable-stayed bridge
The invention provides a construction method of a deep canyon large-span cable-stayed bridge, which is characterized in that a temporary buckling tower is arranged on a top beam surface of an auxiliary pier, the buckling tower is connected with a side span and a secondary side span through a temporary buckling cable to form a stable structural system, and a side span closure section is omitted. The construction organization is optimized in the construction stage, the construction flow direction is optimized to be the sequence of side span-secondary side span-0 # and 1 # beam section-midspan, 0 # and 1 # beam section construction is in lap joint with cable bent tower construction, a standard section is formed by splicing a whole section of steel beam, the construction period of the standard section is shortened, and an upper structure construction key line is integrally shortened. The construction period of the large-span cable-stayed bridge is shortened, the installation time is shortened, the accuracy is high, and the method can adapt to construction of the large-span cable-stayed bridge under different conditions. The cable-stayed bridge is simple and reliable in structure and convenient to operate, the installation speed is increased, and construction of the cable-stayed bridge of the same type is standardized, normalized and safe.
本发明提供了一种深切峡谷大跨斜拉桥的建造方法，在辅助墩墩顶梁面上设置临时扣塔，扣塔与边跨及次边跨通过临时扣索连接形成稳定的结构体系，取消边跨合龙段。施工阶段优化施工组织，使施工流向优化为“边跨‑次边跨‑0#、1#梁段‑中跨”的顺序，0#、1#梁段施工与索塔施工搭接，标准节段采用整段钢梁拼装，缩短标准节段施工工期，整体缩短上部结构施工关键线路。缩短了大跨斜拉桥建造周期，使安装时间缩短，准确度较高，能够适应不同条件下的大跨斜拉桥施工。该发明结构简单、可靠、操作方便，加快安装速度，使同类型斜拉桥施工标准化，规范化，安全化。
Construction method of deep-cutting canyon large-span cable-stayed bridge
一种深切峡谷大跨斜拉桥的建造方法
HUANG CHENGWEI (author) / ZHANG CHENGLIN (author) / WAN MENG (author) / CHEN DING (author) / WU YINBAO (author) / CHEN WEIMIN (author) / LIU DAN (author) / DENG WEN (author) / WEN JINGHUA (author) / BIE YAWEI (author)
2023-12-29
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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