| 贺兰互通立交预应力现浇箱梁施工工艺 |
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| 引用本文： | 张永伟.贺兰互通立交预应力现浇箱梁施工工艺[J].西部交通科技,2009(11):55-60. |
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| 作者姓名： | 张永伟 |
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| 作者单位： | 宁夏路桥工程股份有限公司,宁夏,银川,750001 |
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| 摘 要： | 贺兰互通式立交10座大桥共有预应力现浇箱梁42联，其预应力现浇箱梁施工取得了成功。文章主要介绍了满堂式支架基础处理、支架布设及箱梁混凝土浇筑、预应力张拉、封锚等施工工艺，这类施工工艺可为城市互通立交建设提供施工借鉴。
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| 关 键 词： | 互通式立交 支架 验算 预应力 箱梁 |
The Construction Techniques for Helan Interflow Flyover Prestress Cast-in-place Box Girder |
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| ZHANG Yong-wei.The Construction Techniques for Helan Interflow Flyover Prestress Cast-in-place Box Girder[J].Western China Communication Science & Technology,2009(11):55-60. |
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| Authors: | ZHANG Yong-wei |
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| Institution: | ZHANG Yong-wei (Ningxia Road ＆ Bridge Construction Co.Ltd.,Yinchuan,Ningxia,750001) |
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| Abstract: | The 10 bridges of Helan interflow flyover have 42 prestress cast-in-place box girders,and the prestress technique has achieved success.The article mainly introduces the construction techniques such as stand handle and arrangement, box girder casting and prestress stretch and sealing off. These techniques provide reference to related construction. |
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| Keywords: | Interflow flyover Stand test Prestress Box girder |
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