| 包西铁路128m钢管混凝土系杆拱动力性能分析 |
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| 引用本文： | 郭波.包西铁路128m钢管混凝土系杆拱动力性能分析[J].山西建筑,2009,35(18):302-304. |
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| 作者姓名： | 郭波 |
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| 作者单位： | 中铁第一勘察设计院集团有限公司,陕西,西安,710043 |
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| 摘 要： | 以200km／h时速客货共线128m钢管混凝土拱为研究对象，采用空间有限元分析模型，计算了桥梁的自振特性，详细探讨了横撑刚度和拱肋截面形式对桥梁自振特性的影响，评价了桥梁的动力性能和列车运行的安全性与舒适性。
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| 关 键 词： | 钢管混凝土拱 自振特性 横撑 拱肋 动力性能 |
Vibration properties analysis of 128m steel tube concrete arch on Bao-Xi railway |
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| GUO Bo.Vibration properties analysis of 128m steel tube concrete arch on Bao-Xi railway[J].Shanxi Architecture,2009,35(18):302-304. |
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| Authors: | GUO Bo |
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| Abstract: | The natural vibration property of a steel tube concrete arch with 128 m span on 200 km/h mixed passenger and freight railway is analyzed using 3D finite element model.The influence of lateral brace stiffness and arch lib section type on the natural vibration property of the bridge is also studied.The dynamic properties of the bridge and the running safety of train and the riding comfort of passenger are assessed in detail. |
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| Keywords: | steel tube concrete arch natural vibration property lateral brace arch rib properties of vibration |
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