Design and construction of a launched cable-stayed bridge in China

被引：5

作者：

Wang, Yingliang ^{[1
]}

Dai, Xiaochun ^{[1
]}

He, Tingguo ^{[1
]}

Dai, Jianbing ^{[2
]}

Zhang, Jiachun ^{[1
]}

机构：

[1] China Railway ERYUAN Engn Grp Co Ltd, Chengdu, Sichuan, Peoples R China

[2] China Bridge Grp Co Ltd, Construct Team, Wuhan, Hubei, Peoples R China

来源：

PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS-CIVIL ENGINEERING | 2019年 / 172卷 / 05期

关键词：

bridges; composite structures; design methods & aids;

D O I：

10.1680/jcien.18.00019

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Zhengbei Bridge is a key structure on the new Nongye Road in Zhengzhou, central China. Completed in 2019, it crosses the city's north railway marshalling yard, the biggest in Asia. The main bridge is a cable-stayed structure with a single pylon and two 221 m spans. This paper describes the design and construction of the bridge, including the incremental launching of the steel-concrete composite main girder over temporary trestles between the railway tracks. To avoid disrupting rail operations the trestles were up to 92 m apart, so the 56 m launch nose was supplemented with a kingpost and cables.

引用

页码：3 / 8

页数：6

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