| 预应力混凝土连续箱梁维修加固技术措施 |
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| 引用本文： | 李海光,项新里,金群纲,杜德灿.预应力混凝土连续箱梁维修加固技术措施[J].公路交通技术,2006(2):78-81. |
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| 作者姓名： | 李海光 项新里 金群纲 杜德灿 |
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| 作者单位： | 浙江省金华市公路管理处,浙江,金华,321001 |
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| 摘 要： | 横山大桥主桥为52 m 80 m 52 m预应力混凝土连续箱梁,通车8年后发现梁体大量裂缝,且病害还在不断发展,结构承载力逐渐下降,严重影响了行车安全。经采取增加加劲钢架并同时采取裂缝灌浆处理、粘贴钢板加固补强、粘贴碳纤维布等技术措施后,桥梁整体受力性能得到明显改善。
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| 关 键 词： | 连续箱梁 主桥病害 维修加固 |
| 文章编号： | 1009-6477(2006)02-0078-04 |
| 收稿时间： | 07 7 2005 12:00AM |
| 修稿时间： | 2005年7月7日 |
Repair and Reinforcement Technical Measures for Pre- stress Concrete Continuous Box Girder |
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| Li Haiguang,Xiang Xinli,Jin Qungang,Du Decan.Repair and Reinforcement Technical Measures for Pre- stress Concrete Continuous Box Girder[J].Technology of Highway and Transport,2006(2):78-81. |
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| Authors: | Li Haiguang Xiang Xinli Jin Qungang Du Decan |
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| Abstract: | The main bridge of Hengshan Bridge adopts 52 m 80 m 52 m pre-stress concrete box girder,after put into operation for 8 years,there found large number of fractures on girder body,and the fracture is developing,the structural bearing force is gradually deteriorated,which has greatly influenced driving safety.After taking technical measures such as reinforcement steel structure,fracture grouting treatment,steel plate binding reinforcement and carbon fiber cloth binding,etc.,the integral bearing performance of bridge is obviously meliorated. |
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| Keywords: | continuous box girder main bridge disease repair and reinforcement |
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