| 薄壁高墩连续刚构桥的空间稳定分析 |
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| 引用本文： | 何畅.薄壁高墩连续刚构桥的空间稳定分析[J].公路,2005(11):32-35. |
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| 作者姓名： | 何畅 |
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| 作者单位： | 中交公路规划设计院,北京市,100010 |
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| 摘 要： | 薄壁高墩连续刚构桥由于自身的力学特点，其稳定问题日显突出。本文以南河大桥的工程实际，在欧拉弹性理论的基础上，利用空间有限元法对其进行稳定分析。通过分析比较，提出了对此类桥型稳定分析的方法和建议。
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| 关 键 词： | 薄壁高墩 连续刚构 有限元 稳定 |
| 文章编号： | 0451-0712（2005）00-0032-04 |
| 收稿时间： | 2005-05-23 |
| 修稿时间： | 2005-05-23 |
Space Stability Analysis of Continuous Rigid Frame Bridge with Thin-Walled High Piers |
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| HE Chang.Space Stability Analysis of Continuous Rigid Frame Bridge with Thin-Walled High Piers[J].Highway,2005(11):32-35. |
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| Authors: | HE Chang |
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| Institution: | China Highway Planning and Design Institute(HPDl |
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| Abstract: | Owing to the mechanical feature of continuous rigid frame bridge with thin walled high pier, its stability becomes a very important issue. Taking Nanhe Bridge as a experience example and based on Eluer elastic theory, the space stability is calculated by finite element method. Finally, the method of stability analysis of such type bridges is suggested by analysis and comparison in this paper. |
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| Keywords: | thin-walled high pier continuous rigid frame finite element method stability |
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