| 永定新河特大桥主墩承台钢围堰施工技术 |
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| 引用本文： | 张文海,曹建平,祝业浩.永定新河特大桥主墩承台钢围堰施工技术[J].中国港湾建设,2011(1):55-58. |
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| 作者姓名： | 张文海 曹建平 祝业浩 |
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| 作者单位： | 中交一航局第一工程有限公司,天津,300456 |
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| 摘 要： | 永定新河特大桥主墩承台干施工,采用无底双壁钢围堰做挡土和挡水设施。文章介绍了钢围堰的设计要点及钢围堰分节分块加工、运输、拼装成节装体沉放、浇注封底混凝土的施工工艺和注意事项。实施后钢围堰沉到设计标高,平面位置和垂直度偏差控制在设计允许范围内,满足了施工要求。
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| 关 键 词： | 永定新河特大桥 主墩 钢围堰 施工 |
Steel Cofferdam Construction Technology of the Main Pier Platform of Yongdingxinhe Super Major Bridge |
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| ZHANG Wen-hai,CAO Jian-ping,ZHU Ye-hao.Steel Cofferdam Construction Technology of the Main Pier Platform of Yongdingxinhe Super Major Bridge[J].China Harbour Engineering,2011(1):55-58. |
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| Authors: | ZHANG Wen-hai CAO Jian-ping ZHU Ye-hao |
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| Institution: | ZHANG Wen-hai,CAO Jian-ping,ZHU Ye-hao(The First Engineering Co.,Ltd.,of CCCC First Harbor Engineering Co.,Tianjin 300456,China) |
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| Abstract: | During the construction of the main pier platform of Yongdingxinhe Super Major Bridge,the bottomless double-wall steel cofferdams are used for retaining soil and water.This paper introduces the design issues of steel cofferdams and the construction technology of making steel cofferdams into sections and blocks to processing,transporting and assembling them for sinking and pouring the bottom sealing concrete and the matters needing attention.After implementation,the design elevation,plane position and perpen... |
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| Keywords: | Yongdingxinhe Super Major Bridge main pier Steel cofferdam construction |
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