| 大跨薄壁墩连续刚构桥动力特性研究 |
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| 引用本文： | 何波,郭小川,朱宏平,李俊.大跨薄壁墩连续刚构桥动力特性研究[J].世界桥梁,2006(4):40-43. |
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| 作者姓名： | 何波 郭小川 朱宏平 李俊 |
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| 作者单位： | 1. 华中科技大学土木工程与力学学院,湖北,武汉,430074
2. 武汉市政工程设计研究院有限公司,湖北,武汉,430015 |
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| 摘 要： | 以武汉天兴洲长江大桥南岸引桥大跨度连续刚构为研究对象,运用大型有限元分析程序ANSYS,采用实体模型与空间梁单元两种建模方式,分别分析了其动力特性,探讨了薄壁墩的刚度变化与支座失效对其动力性能的影响,并对两种模型的数值分析结果进行了比较。
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| 关 键 词： | 刚构桥 薄壁墩 有限元 动力特性 |
| 文章编号： | 1671-7767（2006）04-0040-04 |
| 收稿时间： | 2006-01-19 |
| 修稿时间： | 2006年1月19日 |
Study of Dynamic Characteristics of Long Span Con-tinuous Rigid-Frame Bridge with Thin-Wall Piers |
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| HE Bo,GUO Xiaoc-huan,ZHU Hong-ping,LI Jun.Study of Dynamic Characteristics of Long Span Con-tinuous Rigid-Frame Bridge with Thin-Wall Piers[J].World Bridges,2006(4):40-43. |
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| Authors: | HE Bo GUO Xiaoc-huan ZHU Hong-ping LI Jun |
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| Abstract: | Taking the long span continuous rigid-frame structure of the south bank approach spans of Wuhan Tianxingzhou Changjiang River Bridge as the research object,and using the large scale finite element analysis program ANSYS and two ways of modeling with solid element and spatial beam element,this paper respectively analyzes the dynamic characteristics of the rigid-frame structure of the approach spans, makes a study of the influences of rigidity changes and bearings failure of the thin-wall piers on the dynamic characteristics of the structure of the approach spans and also compares the results of numerical analysis of the two kinds of modeling. |
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| Keywords: | rigid-frame bridge thin-wall pier finite element dynamic characteristics |
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