[1]张凯,李宇,周燕..刚架拱桥力学性能分析[J].郑州大学学报(工学版),2008,29(04):106-111.[doi:10.3969/j.issn.1671-6833.2008.04.025]
　ZHANG Kai,LI Yu,Zhou Yan.Analysis of mechanical properties of rigid arch bridges[J].Journal of Zhengzhou University (Engineering Science),2008,29(04):106-111.[doi:10.3969/j.issn.1671-6833.2008.04.025]
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刚架拱桥力学性能分析()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
29
期数:
2008年04期
页码:
106-111
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Analysis of mechanical properties of rigid arch bridges
作者:
张凯; 李宇; 周燕.
北京交通大学土木建筑工程学院,北京,100044;山东交通学院土木工程系,山东,济南,250023, 北京交通大学土木建筑工程学院,北京,100044, 长安大学公路学院,陕西,西安,710064
Author(s):
ZHANG Kai; LI Yu; Zhou Yan
关键词:
刚架拱桥;  有限元法;  力学性能;  性能评估
Keywords:
DOI:
10.3969/j.issn.1671-6833.2008.04.025
文献标志码:
A
摘要:
在役旧刚架拱桥大多破损严重,以山东省三二七线某运河大桥为例.结合钢架拱桥的结构特点.采用空间有限元法对其进行了静力和动力力学性能的分析,对其受力特点和损伤破坏的机理进行了探讨.揭示了按照旧规范设计的旧刚架拱桥存在承载能力不足,急需加固维修的使用状况.分析结果为其性能评估提供了基础,为桥梁的继续安全使用、养护、加固、改建或限栽通行提供了可靠的技术资料,其结果可用于其它类似桥梁的分析.
Abstract:
Most of the old rigid arch bridges in service are seriously damaged, taking a canal bridge on the 327th line in Shandong Province as an example. Combined with the structural characteristics of steel frame arch bridges. The static and dynamic mechanical properties were analyzed by the space finite element method, and the force characteristics and damage failure mechanism were discussed. It is revealed that the old rigid arch bridge designed according to the old code has insufficient bearing capacity and is in urgent need of reinforcement and maintenance. The analysis results provide a basis for its performance evaluation, and provide reliable technical data for the continued safe use, maintenance, reinforcement, reconstruction or restriction of bridge traffic, and the results can be used for the analysis of other similar bridges.

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更新日期/Last Update: 1900-01-01