[1]孙凤祥,左少群,李江.张吉怀铁路酉水大桥非对称拱桥钢拱肋架设技术研究[J].高速铁路技术,2024,(02):102-107,118.[doi:10.12098/j.issn.1674-8247.2024.02.019]
　SUN Fengxiang,ZUO Shaoqun,LI Jiang.Study on Erection Technology for Steel Arch Rib of Unsymmetrical Arch Bridge for Youshui Bridge on Zhangjiajie-Jishou-Huaihua Railway[J].HIGH SPEED RAILWAY TECHNOLOGY,2024,(02):102-107,118.[doi:10.12098/j.issn.1674-8247.2024.02.019]
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张吉怀铁路酉水大桥非对称拱桥钢拱肋架设技术研究()
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《高速铁路技术》[ISSN:1674-8247/CN:51-1730/U]

卷:
期数:
2024年02期
页码:
102-107,118
栏目:
施工技术
出版日期:
2024-04-30

文章信息/Info

Title:
Study on Erection Technology for Steel Arch Rib of Unsymmetrical Arch Bridge for Youshui Bridge on Zhangjiajie-Jishou-Huaihua Railway
文章编号:
1674-8247(2024)02-0102-06
作者:
孙凤祥; 左少群; 李江
中铁大桥局集团第五工程有限公司， 江西?九江 332001
Author(s):
SUN Fengxiang; ZUO Shaoqun; LI Jiang
The Fifth Engineering Co. ，Ltd. of China Railway Major Bridge Engineering Group Co. ，Ltd. ， Jiujiang 332001 ，China
关键词:
张吉怀铁路; 酉水大桥; 非对称钢管混凝土拱桥; 钢拱肋; 斜拉扣挂法; 施工技术
Keywords:
Zhangjiajie-Jishou-Huaihua Railway; Youshui Bridge; asymmetric concrete-filled steel tube arch bridge; steel arch rib; cable-stayed buckling method; construction technology
分类号:
U448.22；U445.4
DOI:
10.12098/j.issn.1674-8247.2024.02.019
文献标志码:
A
摘要:
张吉怀铁路酉水大桥主桥为主跨292m的非对称上承式钢管混凝土拱桥，其钢拱肋采用斜拉扣挂法进行节段悬臂架设施工。本文结合张吉怀铁路酉水大桥工程，针对高速铁路非对称拱桥钢拱肋安装施工技术展开研究，主要包括：复杂地形条件下的施工技术，因地制宜地进行缆索起重机的设计及安装，钢管拱整节段拼装和架设，合龙装置和技术等。该施工技术保障了钢拱肋架设的精度和质量，钢拱肋的成拱线形与设计值较为吻合。该桥运营以来，各结构性能指标均满足设计要求。
Abstract:
Youshui Bridge on Zhangjiajie-Jishou-Huaihua Railway is a main bridge with a main span of 292 m，and it is an asymmetric upper-arch concrete-filled steel tube arch bridge，whose steel arch ribs were erected using the inclined cable-stayed buckling method for segmental cantilever construction. The paper focuses on the erection technology for the steel arch ribs of asymmetric arch bridge of high-speed railways，for which Youshui Bridge on Zhangjiajie-Jishou-Huaihua Railway was taken as an case for study. The contents of this study mainly include construction technology under complex terrain conditions，design and installation of cable cranes according to local conditions，assembly and erection of steel tube arch segments，and the closure device and technology，etc. The above construction technologies ensure the accuracy and quality of the steel arch rib erection，and the shape of the steel arch rib closely matches the design values. Since the operation of the bridge，all structural performance indicators have met the design requirements.

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备注/Memo

备注/Memo:
收稿日期：2022-08-03
作者简介：孙凤祥(1979-)，男，高级工程师。
基金项目：中铁大桥局集团有限公司科技研究开发计划项目(2018-19-重点)
更新日期/Last Update: 2024-04-30