| 武汉天兴洲公铁两用长江大桥3号主塔墩吊箱围堰设计 |
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| 引用本文： | 龚国锋.武汉天兴洲公铁两用长江大桥3号主塔墩吊箱围堰设计[J].桥梁建设,2007(A01):22-25. |
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| 作者姓名： | 龚国锋 |
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| 作者单位： | 中铁大桥局股份有限公司,湖北武汉430050 |
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| 摘 要： | 武汉天兴洲公铁两用长江大桥3号主塔墩双壁钢吊箱围堰集钢护筒插打定位、导向，钻孔作业平台，承台施工功能于一体，可根据施工水位依靠围堰自身浮力上下浮动。对该围堰的设计特点与设计方法进行介绍。
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| 关 键 词： | 吊箱围堰 主塔墩 桥梁基础 设计 |
| 文章编号： | 1003-4722（2007）S1-0022-04 |
| 修稿时间： | 2007-03-07 |
Design of Boxed Cofferdam for Pylon Pier No. 3 of Wuhan Tianxingzhou Changjiang River Rail-cum-Road Bridge |
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| GONG Guo-feng.Design of Boxed Cofferdam for Pylon Pier No. 3 of Wuhan Tianxingzhou Changjiang River Rail-cum-Road Bridge[J].Bridge Construction,2007(A01):22-25. |
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| Authors: | GONG Guo-feng |
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| Institution: | China Zhongtie Major Bridge Engineering, Inc., Wuhan 430050, China |
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| Abstract: | The double-wall steel boxed cofferdam for pylon pier No. 3 of Wuhan Tianxingzhou Changjiang River Rail-cum-Road Bridge is designed to have all functions in one, including those of the positioning and guiding construction of setting and driving bored pile steel casings, a working platform for boring construction and the construction of pile cap. The cofferdam can be adjusted upward and downward by its own buoyant force in accordance with the required construction water levels. In this paper, the design features and design method of the cofferdam are described. |
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| Keywords: | boxed cofferdam pylon pier bridge foundation design |
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