| 大型立交桥环岛平台的结构分析 |
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| 引用本文： | 黄东.大型立交桥环岛平台的结构分析[J].城市道桥与防洪,2012(7):108-111. |
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| 作者姓名： | 黄东 |
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| 作者单位： | 上海市城市建设设计研究总院,上海,200125 |
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| 摘 要： | 该文基于梁格理论对立交枢纽工程的环岛平台双向单箱多室扁平箱形结构进行结构计算简化,同时利用通用有限元程序对简化的梁格模型进行模拟分析,从而为求解环岛平台复杂内力提供了一种有效的途径,并且通过实例计算,与比拟板单元模型进行比较,分析结果表明该理论在工程应用中具有较好的实用价值,可供设计参考。
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| 关 键 词： | 立交桥 环岛平台 结构分析 梁格分析方法 比拟板单元法 |
Structural Analysis of Roundabout Platform in Large-scale Grade Separation |
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| Huang Dong.Structural Analysis of Roundabout Platform in Large-scale Grade Separation[J].Urban Roads Bridges & Flood Control,2012(7):108-111. |
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| Authors: | Huang Dong |
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| Abstract: | Based on the grillage theory, the article calculates and simplifies the double-way single-box multi-cell flat-box structure of the roundabout platform in the large-scale grade separation hub projects, and simulates and analyzes the simplified grillage model by the general finite element program so as to provide an effective way for solving the complicated internal force of roundabout platform. The analysis result shows that this theory has the better practical value in the engineering application after the calculation of practical cases and the comparison with the analogous plate element model, which can be referred for the design of the similar projects. |
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| Keywords: | grade separation roundabout platform structural analysis grillage analysis method analogous plate element method |
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