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

卷:

27卷

期数:

2010年03期

页码:

13-18

栏目:

出版日期:

2010-09-20

文章信息/Info

Title:

Research on Construction Control Parameters of Wire Strands of Main Cable

作者:

沈锐利¹,叶志龙²,沈旺³,唐茂林¹

1. 西南交通大学 桥梁工程系,四川 成都 610031; 2. 中交公路规划设计院有限公司,北京 100088; 3. 浙江省舟山连岛工程建设指挥部,浙江 舟山 316000

Author(s):

SHEN Rui-li¹, YE Zhi-long², SHEN Wang³, TANG Mao-lin¹

1. Department of Bridge Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, China; 2. CCCC Highway Consultants Co., Ltd., Beijing 100088, China; 3. Zhejiang Provincial Construction Headquarters of Zhoushan Islands Link Project, Zhoushan

关键词:

悬索桥;  主缆架设;  索股间距;  紧缆;  控制参数

Keywords:

suspension bridge;  erection of main cable;  spacing of wire strand;  cable tightening;  control parameter

分类号:

U443.38

DOI:

-

文献标志码:

A

摘要:

基于索股线形与其无应力长度、自重荷载集度的相互关系,提出了主缆索股架设紧缆后内力重分配和紧缆实际线形的模拟算法; 提出了非理想平行索股架设紧缆后的质量重分配计算假定并推导了相应的计算公式,建立了计算过程和迭代收敛准则,并运用VC++计算机语言编制了相应的计算程序; 分析了各种跨度悬索桥主缆一般索股架设时采用不同间距对成缆线形及内力的影响。结果表明:适当增大一般索股架设调整时的控制间距对成缆线形基本没有影响,对索股间的内力影响有限。

Abstract:

Based on the principle of the interaction of wire strand shape, its unstressed length and dead weight uniform, authors proposed simulation algorithm of internal force redistribution and the cable actual shape after its erection and tightening. The weight distribution calculation assumptions of non-ideal parallel wire strands after the cable tightening were carried out, and the corresponding calculation formula to establish its term and iterative process of convergence criteria were derived, meanwhile, the corresponding calculation program was developed by using VC++ computer language. In addition, the influences of different spacing on cable shapes and internal forces were analyzed when the general wire strands were erected and adjusted. Results show that proper increase of the control spacing of the general wire strands, has no effect on cable shape and has only limited effect on the internal forces of the wire strands.

参考文献/References:

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　HUANG Yong,CHE Ze-xin,XIE Guang-ming.Suspension Bridge Vulnerability Analysis and Simplified Model[J].Journal of Architecture and Civil Engineering,2018,35(03):93.

备注/Memo

备注/Memo:

收稿日期:2010-07-08
基金项目:“十一五”国家科技支撑计划项目(2008BAG07B05)
作者简介:沈锐利(1963-),男,四川华蓥人,教授,博士研究生导师,工学博士,E-mail:rlshen@163.com。

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更新日期/Last Update: 2010-09-20