| 大跨度梁式桥跨中过度下挠原因及预防措施 |
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| 引用本文： | 莫利君,张无畏.大跨度梁式桥跨中过度下挠原因及预防措施[J].西部交通科技,2011(9):28-31. |
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| 作者姓名： | 莫利君 张无畏 |
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| 作者单位： | 广西交通科学研究院,广西南宁,530007 |
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| 摘 要： | 大跨度梁式桥主梁跨中过度下挠现象较为普遍，严重影响桥梁的使用和结构的安全。导致跨中过度下挠的因素复杂，文章对大跨度梁式桥主梁跨中过度下挠成因进行了分析，并针对性地提出了预防措施。
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| 关 键 词： | 大跨度 梁式桥 下挠问题 预防措施 |
Cause of Excessive Deflection in the Middle of Span in Long Span Beam Bridge and the Prevention Method |
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| MO Li-jun,ZHANG Wu-wei.Cause of Excessive Deflection in the Middle of Span in Long Span Beam Bridge and the Prevention Method[J].Western China Communication Science & Technology,2011(9):28-31. |
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| Authors: | MO Li-jun ZHANG Wu-wei |
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| Institution: | MO Li-jun,ZHANG Wu-wei(Guangxi Transportation Research Institute,Nanning,Guangxi,530007) |
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| Abstract: | The excessive deflection in the middle of the span becomes a common problem.It seriously affects the function and structure safety of the bridge.Factors that cause the deflection is very complicated.The article analyzes the causes and proposes prevention method accordingly. |
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| Keywords: | Long span Beam bridge Deflection problem Prevention method |
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