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下承式系杆拱桥部分吊杆失效影响分析

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以六安市跨淠河某下承式系杆拱桥为研究对象,利用有限元软件Midas建立空间模型对下承式系杆拱桥发生局部吊杆破坏失效进行模拟,研究分析靠近拱脚处四分之一跨径内发生吊杆失效时,对临近吊杆、拱肋及纵梁等构件受力的影响.为下承式系杆拱桥后续设计优化及运营阶段维修养护提供参考.
Analysis of partial suspender fracture influence of through tied arch bridge
This paper takes a through tied arch bridge across the Pi River in Lu'an city as the research object,uses the finite element software Midas to establish a spatial model to simulate and analyze the local suspender fracture of through tied arch bridge,studies and analyzes the impact of suspender fracture on the surrounding suspender tension and the mechanical parameters of arch ribs and longitudinal beams when suspender fracture occurs within a quarter span near the arch foot,so as to provide reference for the subsequent design optimization and operation stage maintenance of the through tied arch bridge.

through tied arch bridgesuspender fracturestructural analysisstressdeformation

孙业昂

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中交水运规划设计院有限公司,北京 100101

下承式系杆拱桥 吊杆失效 结构分析 应力 变形

2024

山东交通科技
山东省交通科学研究所

山东交通科技

影响因子:0.249
ISSN:1673-8942
年,卷(期):2024.(1)
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