| 南京大胜关长江大桥主桥4号墩双壁钢吊箱围堰整体吊装设计与施工 |
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| 引用本文： | 程晨. 南京大胜关长江大桥主桥4号墩双壁钢吊箱围堰整体吊装设计与施工[J]. 桥梁建设, 2008, 0(4) |
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| 作者姓名： | 程晨 |
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| 作者单位： | 中铁大桥局集团第四工程有限公司,江苏,南京,210031 |
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| 摘 要： | 南京大胜关长江大桥主桥4号墩基础施工采用先平台后围堰的方法.介绍该墩855 t双壁钢吊箱围堰在岸上整体制造、气囊法下水、浮运至墩位、采用大型水上浮吊进行整体吊装的施工技术.
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| 关 键 词： | 桥梁基础 吊箱围堰 施工方法 |
Design and Construction of Integral Lifting and Installation of Double-Wall Steel Boxed Cofferdam for Main Pier No.4 of Dashengguan Changjiang River Bridge in Nanjing |
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| CHENG Chen. Design and Construction of Integral Lifting and Installation of Double-Wall Steel Boxed Cofferdam for Main Pier No.4 of Dashengguan Changjiang River Bridge in Nanjing[J]. Bridge Construction, 2008, 0(4) |
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| Authors: | CHENG Chen |
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| Affiliation: | CHENG Chen(The 4th Engineering Co.,Ltd.,China Zhongtie Major Bridge Engineering Group,Nanjing 210031,China) |
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| Abstract: | The construction of the foundation for Pier No.4 of the main bridge of Dashengguan Changjiang River Bridge in Nanjing was implemented by way of installing the working platform first and the cofferdam late.This paper presents the construction techniques for the integral fabrication of the 855 t double-wall steel boxed cofferdam on land for the pier foundation,launching of the cofferdam down to river by the air bag method,floating of the cofferdam to pier site and integral lifting and installation of the coff... |
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| Keywords: | bridge foundation boxed cofferdam construction method |
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