| 京杭运河特大桥主桥132m钢管拱拼装与线形控制 |
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| 引用本文： | 刘长卿. 京杭运河特大桥主桥132m钢管拱拼装与线形控制[J]. 施工技术, 2011, 40(20) |
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| 作者姓名： | 刘长卿 |
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| 作者单位： | 中铁十一局集团有限公司,湖北 武汉,430071 |
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| 摘 要： | 宿淮铁路京杭运河特大桥最大跨为132m的连续梁-拱组合桥,钢管拱拼装跨度大,难度高,拱肋线形控制难度大。结合现场实际情况,通过方案比选,确定采用立柱式拱架法浮吊+汽车式起重机吊装方式进行钢管拱肋安装。同时对拱肋拼装各个阶段线形测量控制及要点进行详细阐述。钢管拱的施工顺利完成,并确保了工程质量和安全。
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| 关 键 词： | 桥梁 钢管拱 拼装 线形控制 施工技术 |
Assembly and Linear Control of 132m Steel Tube Arches of Main Bridge of Beijing-Hangzhou Canal Bridge |
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| Liu Changqing. Assembly and Linear Control of 132m Steel Tube Arches of Main Bridge of Beijing-Hangzhou Canal Bridge[J]. Construction Technology, 2011, 40(20) |
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| Authors: | Liu Changqing |
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| Affiliation: | Liu Changqing(No.11 Chinese Railway Bureau Group Co.,Ltd.,Wuhan,Hubei 430071,China) |
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| Abstract: | The largest span of Beijing-Hangzhou Canal Bridge is 132m-span continuous girder-arch composite bridge.The linear control of large-span steel tube arches is difficult.Combining with construction site conditions and installation schemes selection,lifting method of floating crane and truck crane is adopted for steel pipe arch-rib assembly.Meanwhile,the control and key points of linear control are introduced.As a result,construction safety and quality are ensured. |
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| Keywords: | bridges steel pipe arches assembly linear control construction |
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