Effects of Arch Installation Sequence on the Mechanical Response of an Arch-Steel Girder Structure

Li Pengfei; Li Yang; Zhao Bingzhen; Wang Zhiqiang; Wang Jun; Zhang Ni; Zhao Zhongwei

doi:10.13206/j.gjgS24110801

Volume 40 Issue 12

Dec. 2025

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Li Pengfei, Li Yang, Zhao Bingzhen, Wang Zhiqiang, Wang Jun, Zhang Ni, Zhao Zhongwei. Effects of Arch Installation Sequence on the Mechanical Response of an Arch-Steel Girder Structure[J]. STEEL CONSTRUCTION(Chinese & English), 2025, 40(12): 45-53. doi: 10.13206/j.gjgS24110801

Citation:

Li Pengfei, Li Yang, Zhao Bingzhen, Wang Zhiqiang, Wang Jun, Zhang Ni, Zhao Zhongwei. Effects of Arch Installation Sequence on the Mechanical Response of an Arch-Steel Girder Structure[J]. STEEL CONSTRUCTION(Chinese & English), 2025, 40(12): 45-53. doi: 10.13206/j.gjgS24110801

Citation:

Li Pengfei, Li Yang, Zhao Bingzhen, Wang Zhiqiang, Wang Jun, Zhang Ni, Zhao Zhongwei. Effects of Arch Installation Sequence on the Mechanical Response of an Arch-Steel Girder Structure[J]. STEEL CONSTRUCTION(Chinese & English), 2025, 40(12): 45-53. doi: 10.13206/j.gjgS24110801

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Effects of Arch Installation Sequence on the Mechanical Response of an Arch-Steel Girder Structure

doi: 10.13206/j.gjgS24110801

1. Shaanxi Construction Engineering Group Co., Ltd., Xi'an 710082, China;
2. School of Civil Engineering, Liaoning Technical University, Fuxin 123000, China

Received Date: 2024-11-08
Available Online: 2026-01-09
Publish Date: 2025-12-31

Abstract

Abstract

This study takes the first dual-purpose steel truss bridge in northwest China as the research background. Using ANSYS finite element software， a finite element model for incremental launching construction was established to analyze and compare the effects of two different arch construction sequences on the mechanical properties of the structure. The results showed that the construction sequence of erecting the girder prior to the arch resulted in lower structural stress， which proved more conducive to structural stability. In contrast， the “girder-and-arch simultaneous construction” sequence resulted in relatively smaller structural displacement. This was because the presence of the arch not only provided substantial vertical stiffness to the main girder but also effectively helped distribute the bridge’s self-weight.
- steel truss bridge,
- finite element model,
- arch construction sequence,
- arch structure

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References(13)

References

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