V型撑连续刚构体系梁拱组合式桥梁施工阶段关键节点受力研究

张连海

doi:10.3724/j.gyjzG23102312

V型撑连续刚构体系梁拱组合式桥梁施工阶段关键节点受力研究

doi: 10.3724/j.gyjzG23102312

张连海

福建建筑学校, 福州 350000

基金项目:

福建省交通厅重点科研项目(00501649)。

详细信息

作者简介:
张连海,硕士研究生,高级讲师,主要从事新材料结构与新型结构方面的研究。电子信箱:79506121@qq.com

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出版历程
- 收稿日期: 2023-10-23
- 网络出版日期: 2024-10-18

Research on Mechanical Properties of Key Joints of V-Shaped Braced Continuous Rigid-Frame System Beam-Arch Combination Bridges During Construction Stage

Zhang Lianhai

Fujian Architecture School, Fuzhou 350000, China

摘要

摘要: 近年来梁拱组合体系桥梁在我国发展迅速,V型撑连续刚构体系梁拱组合式桥梁是一种新型结构体系。以福州湾边大桥为工程背景,利用大型通用有限元软件建立桥梁结构模型,对V型撑连续刚构体系梁拱组合式桥梁施工阶段关键节点进行力学分析,包括箱梁悬臂状态下V型撑部位应力分析,拱肋管内灌注混凝土阶段拱肋内力分析,钢管拱肋稳定分析,动力特性分析。最后,对该桥施工阶段关键节点力学分析得出该桥满足规范要求,浇筑过程中各种材料都不会出现应力屈服现象。
- V型撑连续刚构 /
- 组合式桥梁 /
- 施工阶段 /
- 受力分析
Abstract: In recent years, beam-arch combination system bridges in China has been developing rapidly, the V-shaped continuous rigid frame system beam-arch combination bridge is a new type of structural system. The Fuzhou WanBian Bridge was taken as the engineering background, using the large-scale universal finite element software to establish a bridge structure model, mechanical analysis of key joints in the construction stage of the V-shaped continuous rigid frame system beam-arch composite bridge was carried out, including stress analysis of the V-braced position in the cantilever state of the box girder, internal force analysis of arch ribs during the stage of pouring concrete into the arch rib tube, stability analysis of steel pipe arch ribs, and dynamic characteristic analysis. Finally, the study of key joints during the construction stage of the bridge revealed that the calculated stress of the bridge during the construction stage met the requirements of the specifications, various materials would not exhibit stress yielding phenomenon during the pouring process.
- V-braced continuous rigid frame /
- composite bridge /
- construction stage /
- stress analysis

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参考文献(26)

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