Yachihe Bridge, China: engineering the world’s longest cable-stayed steel truss

Author:

Yu Xiangmin1,Chen Dewei1,Xue Menggui2

Affiliation:

1. Department of Bridge Engineering, Tongji University, Shanghai, China

2. Hunan Provincial Communications Planning Survey & Design Institute, Changsha, China

Abstract

Yachihe Bridge in China is the longest steel-truss, cable-stayed bridge in the world and the tenth longest overall. Completed in 2016, its 800 m main span carries the new Guiyang–Qianxi dual carriageway over the Yachihe River gorge. It is also the first cable-stayed bridge to be erected using a cable crane, and its concrete-box-girder side spans feature the first use of cable anchorages in the middle of the outer web. Furthermore, geometry alignment during deck closure was achieved by adjusting cable forces rather than by using counterweights. This paper describes the configuration and numerical analysis of the innovative cable anchorage, discusses the challenges and solutions involved in using a cable crane for construction and details the novel closure techniques adopted for the steel-truss deck.

Publisher

Thomas Telford Ltd.

Subject

Civil and Structural Engineering

Cited by 7 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Review of design and innovative construction of steel truss cable-stayed bridges in China;Proceedings of the Institution of Civil Engineers - Civil Engineering;2024-02-01

2. Design and construction of the Tahya Misr cable-stayed bridge in Cairo, Egypt;Proceedings of the Institution of Civil Engineers - Civil Engineering;2021-05-01

3. A Stability Study of the Longest Steel Truss Deck Cable-stayed Bridge during Construction;KSCE Journal of Civil Engineering;2019-01-21

4. Performance Study of a Steel-Concrete Joint for Hybrid Cable-Stayed Bridge with 800m Main Span;IABSE Congress, New York, New York 2019: The Evolving Metropolis;2019

5. A New Method for Analysis of Sliding Cable Structures in Bridge Engineering;KSCE Journal of Civil Engineering;2018-10-11

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