| 混凝土拱形框架桥塔温度梯度效应分析 |
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| 引用本文： | 李杰,李娜.混凝土拱形框架桥塔温度梯度效应分析[J].城市道桥与防洪,2008(9). |
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| 作者姓名： | 李杰 李娜 |
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| 作者单位： | 郑州大学,河南郑州,450001;郑州大学,河南郑州,450001 |
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| 摘 要： | 对于桥梁的温度应力,各国规范都做了详尽规定,但对于空心桥墩、桥塔这类非梁混凝土结构温度应力的分析没有特别规定。将现有规范应用于此类结构温度应力的分析是否可靠值得研究。该文对各国规范中温度梯度不同规定做了对照阐述,并以某混凝土拱式门架桥塔为例,建立三维实体单元模型,应用有限元方法按照不同规范对比了结构的温度梯度效应。
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| 关 键 词： | 混凝土结构 温度梯度 设计规范 |
Analysis of Temperature Gradient Effect on Concrete Arched Frame Bridge Pylon |
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| Li Jie,Li Na.Analysis of Temperature Gradient Effect on Concrete Arched Frame Bridge Pylon[J].Urban Roads Bridges & Flood Control,2008(9). |
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| Authors: | Li Jie Li Na |
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| Abstract: | The detail regulations are stipulated in the criterions of every country for the temperature stress of the bridge. But there is no special regulation for the analysis of temperature stress of this non-beam concrete structure of the hollow pier and pylon. It is worth to study whether or not reliable to analyze the application of the existing criterion to this structure of temperature stress. The article contrasts and sets forth the different regulations of the temperature gradient in the criterions of every ... |
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| Keywords: | concrete structure temperature gradient design criterion |
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