中文核心期刊
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中国科技核心期刊
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Journal of Chongqing Jiaotong University(Natural Science)

Journal of Chongqing Jiaotong University(Natural Science) ›› 2002, Vol. 21 ›› Issue (2): 6-8.

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Analyses on the lofting arc length in concrete-filled steel tubular (CFST)arch truss bridges

ZHOU Shui-xing1,XIONG Hong-bin2,ZHANG Min1,YU Hong-gang1   

  1. 1.Chongqing Jitaotong University , Chongqing 400074, China ;2.Jiangxi Province Highway Bureau, Nanchang 330002, China
  • Received:2001-02-26 Revised:2001-10-12 Online:2002-06-15 Published:2015-05-18

桁式钢管砼拱桥拱肋放样弧长计算探讨

周水兴1，熊洪滨2，张敏1，于洪刚1   

  1. 1.重庆交通学院，重庆400074；2.江西省公路局，江西南昌330002
  • 作者简介:周水兴(1967—)，男，浙江嘉兴人，副教授，博士生，从事大跨度桥梁设计理论与旧危桥加固技术研究

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Abstract: It is the urgent problem for the lofting length of segmental arc in Truss CFST arch bridges to be solved .The paper analyses main factors affecting the variable of the arc .And deduces the calculation formula in the variable of segmental arc of the truss .The level influence is analysed owing to different arc length variables

Key words: CFST arch bridges , rib arc length , temperature difference , compression deformation

摘要： 桁式钢管砼拱桥拱肋放样长度是目前施工中急需解决的问题，笔者分析了影响弧长变化的主要因素，给出 了节段弧长变化的简化计算公式，并分析不同弧长变化量对拱轴高程的影响

关键词: 钢管砼拱桥, 放样弧长, 温度变化, 变形

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