| 大曲率混凝土葵形拱桥施工技术 |
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| 引用本文： | 张传安.大曲率混凝土葵形拱桥施工技术[J].铁道建筑技术,2009(4):20-22,39. |
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| 作者姓名： | 张传安 |
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| 作者单位： | 中铁十六局集团第二工程有限公司,天津,300162 |
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| 摘 要： | 根据天津市子牙河立交桥的工程实践，介绍大曲率混凝土葵形拱桥模板设计方案、拱圈施工段划分、拱圈施工顺序，以及拱部施工控制要点、防开裂措施，为类似工程提供借鉴。
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| 关 键 词： | 大曲率 葵形拱桥 技术措施 |
Construction Techniques for Big-curvature Concrete Sunflower-type Arch Bridge |
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| Zhang Chuanan.Construction Techniques for Big-curvature Concrete Sunflower-type Arch Bridge[J].Railway Construction Technology,2009(4):20-22,39. |
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| Authors: | Zhang Chuanan |
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| Institution: | Zhang Chuanan (China Railway 16th Bureau Group Co. Ltd. , Tianjin 300162, China) |
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| Abstract: | In light of the engineering practice of Ziya River Overpass in Tianjin City, this paper introduces the template design scheme of the big-curvature concrete sunflower-type arch bridge, the division of the arch ring construction section, the sequence of the arch ring construction, as well as the construction keys and cracking prevention measures in the arches. It can be of reference to similar projects. |
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| Keywords: | big curvature sunflower-type arch bridge technical measures |
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