Construction Techniques on the Main Tower at North Channel of No 2 Oujiang Bridge in Wenzhou

Journal of Chongqing Jiaotong University(Natural Science) ›› 1998, Vol. 17 ›› Issue (1): 102-108.

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Construction Techniques on the Main Tower at North Channel of No 2 Oujiang Bridge in Wenzhou

Zuo Mingfu¹

1. Second Navigational Engineering Bureau of the Ministry of Communications, Wuhan, 430014, P. R. China

Received:1997-03-20 Revised:1997-04-20 Online:1998-02-20 Published:2016-07-13

温州瓯江二桥北航道桥主塔基础施工技术综述

左明福¹

1. 交通部第二航务工程局

作者简介:左明福(1942-) 男, 高级工程师

Abstract

Abstract: This paper expounds the construction methods of an octagonal double wall steel cofferdam,which is the biggest in our country at present.It contains the fabrication and launching the first segment of cofferdam and which the positioning and sinking without direction guiding ship positioning system,the construction of the greatest diameter bored piles under complex geological conditions and the bigger area sealing under water of the cofferdam bottom.

Key words: No.2 Oujiang Bridge, foundation, construction, techniques

摘要： 阐述了目前国内最大的八边形双壁钢围堰首节整体制造下水，无导向船定位系统定位下沉，复杂地质条件下超大直径钻孔灌注桩施工，以及围堰大面积水下封底等施工技术．

关键词: 瓯江二桥, 基础, 施工, 技术

CLC Number:

U445.4

Zuo Mingfu. Construction Techniques on the Main Tower at North Channel of No 2 Oujiang Bridge in Wenzhou[J]. Journal of Chongqing Jiaotong University(Natural Science), 1998, 17(1): 102-108.

左明福. 温州瓯江二桥北航道桥主塔基础施工技术综述[J]. 重庆交通大学学报（自然科学版）, 1998, 17(1): 102-108.

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Construction Techniques on the Main Tower at North Channel of No 2 Oujiang Bridge in Wenzhou

温州瓯江二桥北航道桥主塔基础施工技术综述

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