[1]丁建明,杜昕,钱振东,等.润扬大桥南汊悬索桥桥面铺装在竖向荷载静力作用下的力学分析[J].东南大学学报(自然科学版),2006,36(4):601-604.[doi:10.3969/j.issn.1001-0505.2006.04.022]
　Ding Jianming,Du Xin,Qian Zhendong,et al.Mechanical analysis of deck surfacing on Runyang suspension bridge by finite element method[J].Journal of Southeast University (Natural Science Edition),2006,36(4):601-604.[doi:10.3969/j.issn.1001-0505.2006.04.022]
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润扬大桥南汊悬索桥桥面铺装在竖向荷载静力作用下的力学分析()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
36
期数:
2006年第4期
页码:
601-604
栏目:
交通运输工程
出版日期:
2006-07-20

文章信息/Info

Title:
Mechanical analysis of deck surfacing on Runyang suspension bridge by finite element method
作者:
丁建明1;  杜昕2;  钱振东1;  毛志轶1
1 东南大学交通学院, 南京 210096; 2 江苏省交通规划设计院, 南京 210005
Author(s):
Ding Jianming1;  Du Xin2;  Qian Zhendong1;  Mao Zhiyi1
1 College of Transportation, Southeast University, Nanjing 210096, China
2 Jiangsu Provincial Communication Planning and Design Institute, Nanjing 210005, China
关键词:
悬索桥;  正交异性钢桥面板;  桥面铺装;  有限元方法
Keywords:
suspension bridge;  orthotropic steel decks;  surfacing;  finite element method
分类号:
U443
DOI:
10.3969/j.issn.1001-0505.2006.04.022
摘要:
介绍了一种整体-局部模型的分析方法对钢桥面铺装进行力学研究,即分别建立整桥、局部梁段、正交异性板桥面铺装的三维有限元模型,通过边界条件的设置,将整桥力学分析的结果移植到正交异性板桥面铺装模型中.研究结果表明,考虑悬索桥桥型特点计算的铺装层最大纵向拉应力比以往局部模型的计算结果大12.6%左右,这是由于悬索桥主梁和桥面铺装活载挠度大于一般连续梁桥的结构特点所致.桥面铺装力学分析方法能较为准确地反映桥面铺装在整桥力学环境下的受力特点.
Abstract:
A kind of new global-local model is proposed to study the steel bridge deck surfacing system. Three dimension FEM(finite element method)model of the global bridge, local box-girder and local orthotropic steel deck are set up separately, then the static calculation results of the global bridge are transferred to the model of the local orthotropic steel deck through the set-up of boundary conditions. The research results show that the maximum. longitudinal tensile stress of surfacing calculated in view of bridge type of suspension is 12.6% more than the old research results. The mechanical analysis method proposed is more close to the actual work condition of the steel deck surfacing.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介: 丁建明(1963—),男,博士生,研究员,djming@seu.edu.cn.
更新日期/Last Update: 2006-07-20