| 某铁路斜交混凝土排洪盖板涵增二线的加固 |
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| 引用本文： | 李昊. 某铁路斜交混凝土排洪盖板涵增二线的加固[J]. 城市道桥与防洪, 2012, 0(2): 47-49,7,8 |
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| 作者姓名： | 李昊 |
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| 作者单位： | 铁道第三勘察设计院集团有限公司 |
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| 摘 要： | 斜交混凝土盖板涵是在铁路排洪上较多采用的一种涵洞形式,在增二线后,原结构不能承受新施加的荷载。针对此问题,提出对既有涵洞进行加固的方法。分别建立原模型和加固模型,模拟计算,分析对比计算结果,得出"托梁拔柱法",改善了原结构受力,降低了截面弯矩,保证了原结构的完整性,满足安全运营的要求。
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| 关 键 词： | 斜盖板涵 加固 托梁拔柱法 增二线 |
Reinforcement of Inclined Concrete Drainage Cover Plate Culvert in Added Line of Railway |
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| Li Hao. Reinforcement of Inclined Concrete Drainage Cover Plate Culvert in Added Line of Railway[J]. Urban Roads Bridges & Flood Control, 2012, 0(2): 47-49,7,8 |
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| Authors: | Li Hao |
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| Abstract: | The inclined concrete cover plate culvert is a culvert type more used in the drainage of railway.The original structure can not bear the new added loading after the line is added.Aiming at this problem,the article puts forward the reinforcing method to the existing culverts.The original model and the reinforcing model are separately set up to simulate the calculation and to analyze and compare the calculation results.The "supporting-beam and removing-column method" is given to improve the original structural stress,to reduce the sectional bending moment,to guarantee the integration of the original structure,and to satisfy the requirement of the safe operation. |
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| Keywords: | inclined cover plate culvert reinforcement supporting-beam and removing-column method to add line |
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