| 两座连续刚构桥预拱度计算分析 |
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| 引用本文： | 尼颖升,李金凯,惠迎新. 两座连续刚构桥预拱度计算分析[J]. 城市道桥与防洪, 2010, 0(8): 58-61 |
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| 作者姓名： | 尼颖升 李金凯 惠迎新 |
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| 作者单位： | 长安大学公路学院,陕西西安,710064;长安大学公路学院,陕西西安,710064;长安大学公路学院,陕西西安,710064 |
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| 摘 要： | 该文首先针对不同跨度连续刚构桥跨中下挠问题阐述了对该类桥梁进行设计及施工过程研究的重要性。文章以涧口河特大桥和赵家塬桥为实例,建立了有限元模型,并通过合理的计算方法和理论分析,分析对比了两座桥梁施工过程中的状态,最后提出了该类桥梁设计施工的相关建议。
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| 关 键 词： | 连续刚构桥 施工控制 预拱度 立模标高 仿真分析 |
Analysis on Pre-camber Calculation of Two Continuous Rigid Frame Bridges |
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| Ni Yingsheng,Li Jinkai,Hui Yingxin. Analysis on Pre-camber Calculation of Two Continuous Rigid Frame Bridges[J]. Urban Roads Bridges & Flood Control, 2010, 0(8): 58-61 |
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| Authors: | Ni Yingsheng Li Jinkai Hui Yingxin |
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| Abstract: | The article firstly sets forth the significance of studying the design and construction of this bridge for the excessive deflection in the midspan of the different-span continuous rigid frame bridges.The finite element model is set up according to the case of Jiankou River Super-long Bridge and Zhaojiayuan Bridge.The article analyzes the status in the curse of two bridge constructions by the reasonable calculation method and the theoretical analysis,and finally puts forward the relative suggestions for the design and construction of this bridge. |
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| Keywords: | continuous rigid frame bridge construction control pre-camber formwork placing elevation simulation analysis |
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