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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:

26卷

期数:

2009年04期

页码:

44-48

栏目:

出版日期:

2009-12-20

文章信息/Info

Title:

Calculation Method for Target Configuration of Main Cable of Suspension Bridge

作者:

逄焕平，王建国

合肥工业大学土木与水利工程学院,安徽合肥230009

Author(s):

PANG Huan-ping, WANG Jian-guo

School of Civil Engineering, Hefei University of Technology, Hefei 230009, Anhui, China

关键词:

悬索桥;  主缆线形;  悬链线;  无应力索长;  Newton-Raphson方法

Keywords:

suspension bridge;  target configuration of main cable;  catenary element cable;  unstressed element length;  Newton-Raphson method

分类号:

U448.25

DOI:

-

文献标志码:

A

摘要:

为了准确地计算悬索桥主缆的成桥线形和无应力索长,采用悬链线单元建立了确定悬索桥主缆线形和无应力索长的计算公式; 对计算悬索桥主缆线形的非线性方程组采用Newton-Raphson方法求解,并详细地讨论了吊杆力的计算及悬索桥主缆线形和无应力索长的计算过程; 最后通过算例验证了该方法的有效性、计算精度和稳定性,并将计算结果与其他文献方法的计算结果进行了比较。分析结果表明:该方法具有计算过程简洁和计算精度高的优点。

Abstract:

In order to accurately calculate the target configuration of main cable and the unstressed element length, the analytical solution of an elastic catenary cable element was utilized to establish the computing formulas for finding the target configuration of main cable and the unstressed element length. The presented nonlinear equations were analyzed by Newton-Raphson method. Meanwhile, the calculation of suspender force, the solution for the target configuration of main cable of suspension bridge, and the calculation procedures of unstressed element length were discussed in detail. Finally, the efficiency and the accuracy of the proposed method were demonstrated through an example, and the calculation results were compared with the other literature method results. The analytical results show that the presented methods have the advantages of simple procedure and high accuracy.

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[1]柴生波,王秀兰,任 翔.双缆多跨悬索桥力学性能及主缆用钢量研究[J].建筑科学与工程学报,2015,32(06):74.
　CHAI Sheng-bo,WANG Xiu-lan,REN Xiang.Study on Mechanical Properties and Steel Consumption of Double-cable Multi-span Suspension Bridge[J].Journal of Architecture and Civil Engineering,2015,32(04):74.
[2]沈锐利,叶志龙,沈旺,等.主缆索股施工控制参数研究[J].建筑科学与工程学报,2010,27(03):13.
　SHEN Rui-li,YE Zhi-long,SHEN Wang,et al.Research on Construction Control Parameters of Wire Strands of Main Cable[J].Journal of Architecture and Civil Engineering,2010,27(04):13.
[3]唐茂林,宋晖,林恰,等.矢跨比对悬索桥受力的影响分析[J].建筑科学与工程学报,2010,27(03):24.
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[6]沈锐利,何 恺,黄 振.悬索桥索夹部位主缆钢丝之间非线性关系的分析模型[J].建筑科学与工程学报,2018,35(01):111.
　SHEN Rui-li,HE Kai,HUANG Zhen.Analysis Model of Nonlinear Relationship of Main Cable Steel Wires in Cable Clip of Suspension Bridge[J].Journal of Architecture and Civil Engineering,2018,35(04):111.
[7]黄 勇,车泽鑫,谢光明.悬索桥易损性分析与简化模型[J].建筑科学与工程学报,2018,35(05):93.
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[8]严小宇,沈锐利,唐茂林,等.基于可靠度理论的悬索桥主缆线形控制参数研究[J].建筑科学与工程学报,2010,27(03):47.
　YAN Xiao-yu,SHEN Rui-li,TANG Mao-lin,et al.Research on Control Parameter of Main Cable Shape of Suspension Bridge Based on Reliability Theory[J].Journal of Architecture and Civil Engineering,2010,27(04):47.

备注/Memo

备注/Memo:

收稿日期:2009-07-17
基金项目:国家自然科学基金项目(10572046); 土木工程防灾减灾安徽省工程技术中心项目(2008)
作者简介:逄焕平(1981-),男,山东胶南人,工学博士研究生,E-mail:hf_php@qq.com。

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更新日期/Last Update: 2009-12-20