| 高墩大跨PC连续刚构桥跨中下挠控制对策研究 |
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| 引用本文： | 祝和意. 高墩大跨PC连续刚构桥跨中下挠控制对策研究[J]. 价值工程, 2011, 30(17): 86-87 |
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| 作者姓名： | 祝和意 |
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| 作者单位： | 陕西铁路工程职业技术学院,渭南,714000 |
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| 摘 要： | 大跨径PC连续刚构桥存在的主要病害是主跨跨中长期下挠和箱梁梁体开裂,这些病害不但对高速行车的舒适度造成影响,甚至威胁桥梁的正常使用。本文在研究国内外防治方法的基础上,从设计、施工监控、施工质量和运营管理等方面综合考虑,总结了高墩大跨PC连续刚构桥跨中长期下挠控制对策,为同类桥型挠度控制提供借鉴。
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| 关 键 词： | PC连续刚构桥 跨中下挠 控制对策 |
Research on Control Measures of Midspan Deflection of High Pier Long-span PC Continuous Rigid Frame Bridge |
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| Zhu Heyi. Research on Control Measures of Midspan Deflection of High Pier Long-span PC Continuous Rigid Frame Bridge[J]. Value Engineering, 2011, 30(17): 86-87 |
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| Authors: | Zhu Heyi |
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| Affiliation: | Zhu Heyi(Shaanxi Railway Institute,Weinan 714000,China) |
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| Abstract: | The cross-long main span deflection and the cracking of box girder beams body are the main diseases in long-span PC continuous rigid frame bridge.These diseases not only influence comfort of high-speed driving,even imperil normal use of bridge.This article,taking design,construction monitoring,construction quality and operation management into account,summarized the control measures of midspan deflection of high pier long-span PC continuous rigid frame bridge on the basis of dispensarization at home and abr... |
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| Keywords: | PC continuous rigid frame bridge midspan deflection control measures |
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