[1]任翔,黄平明,梅葵花,等.温度对悬索桥索股垂度的影响分析[J].郑州大学学报(工学版),2009,30(04):22-25.
　Ren Xiang,HUANG Pingming,MEI Kuihua,et al.Influence of Temperature on Main Cable Sagging of Suspension Bridge[J].Journal of Zhengzhou University (Engineering Science),2009,30(04):22-25.
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温度对悬索桥索股垂度的影响分析()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
30卷
期数:
2009年04期
页码:
22-25
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Influence of Temperature on Main Cable Sagging of Suspension Bridge
作者:
任翔; 黄平明; 梅葵花; 等.
长安大学公路学院,陕西西安,710064;西安科技大学建筑与土木工程学院,陕西西安,710054, 长安大学公路学院,陕西西安,710064, 北京公科固桥技术有限公司,北京,100088
Author(s):
Ren Xiang; HUANG Pingming; MEI Kuihua; etc
1．School of Highway，Chang’an University，Xi’an 710064，China；2．College of Architecture and Civil Engineering，Xi’an University of Science and Technology，Xi’an 710054，China；3．Beijing Gongke Bridge Technology Co．Ltd，Bejing 100088，China
关键词:
桥梁工程;  悬索桥;  温度效应;  索股线形;  垂度
Keywords:
bridge engineering;  suspension bridges;  temperature effect;  cable strands linear;  Sagging
文献标志码:
A
摘要:
针对悬索桥主缆索股线形对温度变化敏感的特点,研究了主缆索股断面温度变化以及索塔塔身温度变化对索股线形的影响.考虑主缆索股沿跨度为同一温度,并根据无应力索长恒定不变的原理,给出了空缆状态下索股温度变化与垂度关系的迭代方法,以及温度导致的索塔偏位与索股垂度之间的相互影响,及相应的修正方法.比较了迭代修正法和有限元法分别计算得到的不同温差下索股垂度的改变量,两种方法计算结果吻合较好,最大偏差为9 mm,约为3%.分析表明,运用迭代方法修正由于温差引起主缆索股垂度变化量是可行的.
Abstract:
In view of the at characteristic that the cable shape is very sensitive on the temperature in theprocess of main cable erection．Influence of the temperature changes on main cable section and bridge tower tothe cable shape was researched．According to invariable temperature models of the cable，correction methods oftemperature changes leading to sagging variation under the unloaded cable condition were proposed based onlength of non—stress wire strand is equal，and computational method about temperature changes of bridge towersection to give rise to cable sag variable values was given．Sagging values with methods of iteration are in agreement with the results of finite element program SBCC in different temperature conditions，and the maximum deviation value is 9 mm and is about 3％．It shows that the correction methods on temperature changesleading to sagging variation are feasible to adjust suspended cable shape．

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更新日期/Last Update: 1900-01-01