| 客运专线铁路(60+128+60) m连续梁拱桥动力性能分析 |
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| 引用本文： | 苏伟.客运专线铁路(60+128+60) m连续梁拱桥动力性能分析[J].桥梁建设,2007(2):18-20,38. |
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| 作者姓名： | 苏伟 |
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| 作者单位： | 铁道第三勘察设计院,天津,300142 |
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| 摘 要： | 以高速客运专线铁路上跨度(60 128 60)m连续梁拱桥为研究对象,采用空间有限元分析模型,计算桥梁的自振特性,探讨横撑刚度和拱肋截面形式对桥梁自振特性的影响,评价桥梁的动力性能和列车运行安全性与舒适性。
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| 关 键 词： | 连续梁拱桥 钢管混凝土拱 预应力混凝土梁 自振特性 动力性能 有限元法 |
| 文章编号： | 1003-4722（2007）02-0018-03 |
| 修稿时间： | 2007-01-11 |
Analysis of Dynamic Properties of a Continuous Beam and Arch Bridge with Spans (60+128+60) m on Passenger Dedicated Railway |
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| SU Wei.Analysis of Dynamic Properties of a Continuous Beam and Arch Bridge with Spans (60+128+60) m on Passenger Dedicated Railway[J].Bridge Construction,2007(2):18-20,38. |
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| Authors: | SU Wei |
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| Institution: | The 3rd Survey and Design Institute of China Railways, Tianjin 300142, China |
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| Abstract: | Taking a continuous beam and arch bridge with spans (60 128 60) m on high-speed passenger dedicated railway as the research object,this paper calculates natural vibration property of the type of the bridge by means of spatial finite element analysis model,makes a study of influences of the cross strut stiffness and arch rib cross section types on the vibration property and also evaluates various dynamic properties of the bridge,train traveling safety and passenger comfort. |
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| Keywords: | continuous beam and arch bridge concrete-filled steel tube arch prestressed concrete beam natural vibration property dynamic property finite element method |
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