| 钢箱混凝土准结合梁焊缝疲劳寿命评估 |
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| 引用本文： | 甄晓霞,王荣辉,瞿尔仁,任国红. 钢箱混凝土准结合梁焊缝疲劳寿命评估[J]. 合肥工业大学学报(自然科学版), 2004, 27(7): 778-782 |
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| 作者姓名： | 甄晓霞 王荣辉 瞿尔仁 任国红 |
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| 作者单位： | 华南理工大学,交通学院,广东,广州,510640;合肥工业大学,土木建筑工程学院,安徽,合肥,230009 |
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| 摘 要： | 文章根据广州市内环线恒福路段的交通量调查结果,推导得出了恒福路段高架桥的标准车辆荷载谱,采用MSCPatran软件建立有限元模型,利用标准车辆荷载谱对该桥进行加载,应用MSCNastran、MSCFatigue软件进行有限元分析和疲劳寿命评估二者的整合,对钢箱混凝土准结合梁焊缝进行了疲劳寿命评估,得出合理结论,为该类型桥梁的疲劳问题求解提供了实用计算方法。
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| 关 键 词： | 准结合梁 焊缝 疲劳寿命评估 |
| 文章编号： | 1003-5060(2004)07-0778-05 |
| 修稿时间： | 2003-11-09 |
Fatigue life estimation of welding seams of steel-concrete quasi-bond box girder |
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| ZHEN Xiao-xia,WANG Rong-hui,QU Er-ren,REN Guo-hong. Fatigue life estimation of welding seams of steel-concrete quasi-bond box girder[J]. Journal of Hefei University of Technology(Natural Science), 2004, 27(7): 778-782 |
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| Authors: | ZHEN Xiao-xia WANG Rong-hui QU Er-ren REN Guo-hong |
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| Affiliation: | ZHEN Xiao-xia~1,WANG Rong-hui,QU Er-ren~2,REN Guo-hong~~2 |
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| Abstract: | The load frequency spectrum of Hengfu Bridge is deduced on the basis of the traffic survey on Hengfu Road in the inner beltway of Guangzhou City,the finite element model of this bridge is established by using the software MSC Patran and the loads on this bridge are given according to the load frequency spectrum. An analysis of the fatigue life of the welding seams of the steel-concrete quasi-bond box girder is carried out based on the integration of finite element analysis and fatigue life estimation by adopting the softwares MSC Nastran and MSC Fatigue,and reasonable results are obtained. This study provides a practical calculation method for solving the fatigue problems of this kind of bridges. |
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| Keywords: | quasi-bond box girder welding seam fatigue life estimation |
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