40m上承式钢板梁桥加固前后动力特性研究 |
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引用本文: | 梁玉红,苏木标,顾理生.40m上承式钢板梁桥加固前后动力特性研究[J].石家庄铁道学院学报(社会科学版),2006(2):39-42. |
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作者姓名: | 梁玉红 苏木标 顾理生 |
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作者单位: | 石家庄铁道学院大型结构健康诊断与控制研究所,河北石家庄050043 |
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摘 要: | 从理论上对钢板梁桥横向加固效果进行了定性分析,并应用大型有限元分析软件AN-SYS建立了加固前后桥梁结构的三维空间有限元模型。通过模态分析获得了加固前后结构前10阶自振频率和振型,并对几种方案的加固效果进行了定量分析,得出有意义的结论。
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关 键 词: | 钢板梁桥 加固 动力特性 频率 |
修稿时间: | 2005/9/13 0:00:00 |
Dynamic Behavior Study of 40m-span Deck Steel Plate Girder Bridge Prior to and after Reinforced |
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Authors: | Liang Yuhong Su Mubiao Gu Lisheng |
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Institution: | Structural Health Monitor and Control Institute, Shijiazhuang Railway Institute, Shijiazhuang 050043 ,China |
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Abstract: | Based on a qualitative analysis of the transverse reinforcement effect on the deck plate steel girder bridge, a 3-D space FEM of the bridge before and after reinforced is respectively established by using a large scale finite element program ANSYS. The te |
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Keywords: | deck steel plate girder reinforcement dynamic behavior free frequency |
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