| 钢筋混凝土刚架拱桥的震后加固设计与施工 |
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| 引用本文： | 李梁峰.钢筋混凝土刚架拱桥的震后加固设计与施工[J].福建建设科技,2010(3):15-18. |
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| 作者姓名： | 李梁峰 |
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| 作者单位： | 福建省建筑科学研究院,福州,350025 |
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| 摘 要： | 位于四川省彭州市境内的川西大桥为8×45m的钢筋混凝土刚架拱桥,2008年5月12日,汶川发生里氏8.0级地震,带来了严重的震害,该桥也遭受一定程度的损坏。本文结合该桥的震后维修加固设计施工全过程,详细介绍了该钢筋混凝土刚架拱桥遭遇地震作用后的主要震害现象、通过结构有限元分析结果对病害原因进行了分析,制定了震损后快速修复的加固设计方案以及相应的加固施工技术,可供同类结构桥梁的震后快速加固修复或病害加固参考借鉴。
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| 关 键 词： | 刚架拱桥 震害 粘钢 加固 |
Strengthening Design and Construction for Arch Bridge of Reinforced Concrete Rigid Frame After Earthquakes |
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| Li Liangfeng.Strengthening Design and Construction for Arch Bridge of Reinforced Concrete Rigid Frame After Earthquakes[J].Fujian Construction Science & Technology,2010(3):15-18. |
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| Authors: | Li Liangfeng |
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| Abstract: | A destructive earthquake of Richter magnitude M8.0 occurred at Wenchuan of Sichuan Province on May 12,2008,and it caused great damage.The ChuanXi Bridge located at the Pengzhou was damaged in the earthquake.In this paper,the strenthening design and structure damnify causations studied about this bridge was introduced,and strengthening method for the arch bridge of reinforced concrete rigid frame was also formulated by finite element method,which can be referenced to similar engineering. |
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| Keywords: | rigid frame arch bridge Earthquake damage bonded steel by injection strengthening |
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