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龙潭长江大桥猫道设计与架设施工技术研究

Research on the Design and Erection Construction Technology of Catway for Longtan Yangtze River Bridge

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针对龙潭长江大桥主跨跨度大、安全要求高、主索鞍预偏量大的不利情况,文章围绕龙潭长江大桥主桥上部结构悬索桥猫道的设计和施工,针对猫道跨径大、猫道需适应主索鞍超大预偏量的调整需求等特点,主要介绍了龙潭长江大桥猫道的创新设计、大跨径悬索桥猫道施工要点及重难点,旨在为后续类似超大跨径悬索桥猫道设计与施工提供借鉴和参考.
In view of the unfavorable conditions of Longtan Yangtze River Bridge such as large main span,high safety requirements and large prebias of the main cable saddle,this paper focuses on the design and construction of the catway for the suspension bridge of the main bridge upper structure of Longtan Yangtze River Bridge.In view of the characteristic of the catway such as large span and the need to adapt to the adjustment requirements of the super-large prebias of the main cable saddle,it mainly introduces the innovative design of the catway for Longtan Yangtze River Bridge,the key construction points and difficulties of the catway for the large-span suspension bridge,aiming to provide reference for the design and construction of the catway for similar suspension bridges with super-large span.

large-span suspension bridgecatwaymain cable saddleprebias

耿祥云

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中交第二公路工程局有限公司,江苏 南京 210000

大跨径悬索桥 猫道 主索鞍 预偏量

2024

工程技术研究
广州钢铁企业集团有限公司

工程技术研究

影响因子:0.081
ISSN:2096-2789
年,卷(期):2024.9(8)