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自锚式悬索桥主缆下料长度精细化计算

DOI: 10.3969/j.issn.1674-0696.2014.05.03, PP. 13-16

Keywords: 桥梁工程,自锚式悬索桥,成桥状态,精细化计算,bridgeengineering,self-anchoredsuspensionbridge,finishedstateofbridge,finecalculation

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Abstract:

:？主缆无应力长度是影响结构成桥状态的重要参数，目前对主缆中心索股下料长度的计算已经有了比较成熟的研究，在以往研究的基础上提出了悬索桥主缆下料长度的精细化计算方法。首先，以索单元模拟主缆，基于结构目标成桥状态计算出中心索股主缆的无应力长度；其次，考虑锚端及主索鞍处主缆的实际空间位置分布，对主缆各索股无应力长度进行修正计算；最后，以一座自锚式悬索桥作为工程实例，对该精细化计算方法进行验证，给出了主缆各索股的精确下料长度。

 References

[1]  Zhou Mengbo.Suspension Bridge Handbook ［M］.Beijing: China Communications Press,2003.
[2]  ［3］Peyrot A H,Goulois A M.Analysis of cable structure ［J］.Computers and Structures,1979,32(5): 805-813.
[3]  ［4］文曙东,郑凯锋,栗怀广.空间索自锚式悬索桥线形精确计算方法研究［J］.公路工程,2007,32(4):127-129.
[4]  Wen Shudong,Zheng Kaifeng,Li Huaiguang.Study of an accurate calculation method for spatial cable curves of self-anchored suspension bridge ［J］.Highway Engineering,2007,32(4): 127-129.
[5]  ［5］唐茂林,沈锐利,强士中.悬索桥索鞍位置设计［J］.公路交通科技,2001,18(4):55-62.
[6]  Tang Maolin,Shen Ruili,Qiang Shizhong.Design of suspension bridge saddle’s position ［J］.Journal of Highway and Transportation Research and Development,2001,18(4): 55-62.
[7]  ［7］魏建东,许惟国,刘忠玉.悬索桥鞍槽纵向曲线设计［J］.西南交通大学学报,2005,40(2):215-219.
[8]  Wei Jiandong,Xu Weiguo,Liu Zhongyu.Longitudinal curve design of cable saddles in suspension bridge ［J］.Journal of Southwest Jiaotong University,2005,40(2): 215-219.
[9]  ［8］潘永仁,范立础.悬链线单元在悬索桥主缆下料长度计算中的应用［J］.结构工程师,1998 (3):20-24.
[10]  ［1］潘永仁,杜国华,范立础.悬索桥恒载结构几何形状及内力的精细计算［J］.中国公路学报,2000 ,13(4):33-36.
[11]  Pan Yongren,Du Guohua,Fan Lichu.A fine calculation of the geometry and internal force of suspension bridge under dead load ［J］.China Journal of Highway and Transport,2000,13(4): 33-36.
[12]  ［2］周孟波.悬索桥手册［M］.北京:人民交通出版社,2003.
[13]  ［6］李传习,王雷,刘光栋,等.悬索桥索鞍位置的分离计算法［J］.中国公路学报,2005,18(1):63-68.
[14]  Li Chuanxi,Wang Lei,Liu Guangdong,et al.Separate calculation method on suspension bridge saddle’s position ［J］.China Journal of Highway and Transport,2005,18(1): 63-68.
[15]  Pan Yongren,Fan Lichu.Application of catenary element to calculating the fabrication length of the main cable of suspension bridge ［J］.Structural Engineers,1998 (3): 20-24.

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