| 大跨度跨线钢管混凝土拱桥整体顶推施工控制研究 |
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| 引用本文： | 袁平荣.大跨度跨线钢管混凝土拱桥整体顶推施工控制研究[J].国防交通工程与技术,2008,6(3):49-52. |
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| 作者姓名： | 袁平荣 |
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| 作者单位： | 中铁十四局集团公司西南指挥部,四川成都,610041 |
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| 摘 要： | 以石环公路钢管混凝土拱桥施工过程为背景，对大跨度钢管混凝土拱桥整体顶推施工进行了仿真分析，并对主梁、临时支墩及导梁在顶推过程中的受力和变形进行了详细计算，指出了各结构危险工况和主梁不利截面范围，为该桥的顶推施工实施提供了科学依据，可为同类型钢管混凝土拱桥的顶推施工提供参考。
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| 关 键 词： | 钢管混凝土拱桥 顶推法 施工控制 |
| 文章编号： | 1672-3953(2008)03-0049-04 |
| 修稿时间： | 2008年4月7日 |
Research into the Construction Control of the Whole Incremental Launching Technique for Long-spanned Fly-over Concrete-filled Steel Tubular Arch Bridges |
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| Yuan Pingrong.Research into the Construction Control of the Whole Incremental Launching Technique for Long-spanned Fly-over Concrete-filled Steel Tubular Arch Bridges[J].Traffic Engineering and Technology for National Defence,2008,6(3):49-52. |
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| Authors: | Yuan Pingrong |
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| Institution: | Yuan Pingrong(Southwest Headquarters of the 14th Bureau Group Co.Ltd.of the Railway Building Corporation of China,Chengdu 610041,China) |
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| Abstract: | With the construction of the concrete-filled steel tubular arch bridges of the third ring highway of the Shijiazhuang City as a practical example,the whole incremental launching method for long-spanned concrete-filled steel tubular arch bridges are simulated and analyzed in the paper,with the force and deformation of the main girder,temporary supporting piers and the nose during the launching operation calculated in detail,and the various dangerous situations of each structure and the unfavorable section ra... |
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| Keywords: | concrete-filled steel tubular arch bridge incremental launching method construction control |
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