Bottom sealing construction technology for extralarge onland caisson

2012, Volume 14, Issue 5

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Strategic Study of CAE >> 2012, Volume 14, Issue 5

Bottom sealing construction technology for extralarge onland caisson

1. CCC-SHB Second Engineering Co. Ltd., Xi'an 710119, China;

2. Jiangsu Provincial Yangtze River Highway Bridge Construction Commanding Department, Taizhou, Jiangsu 225321, China

Funding project：交通行业联合科技攻关项目（2008-353-332-160）；江苏省“333高层次人才培养工程”专项资助 Received: 2012-03-15 Available online: 2012-05-14 16:20:22.000

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Abstract

The total quantity of concrete exceeds 30 000 m³ for the north anchor caisson of Taizhou Bridge, which is the largest quantity underwater concrete for bottom sealing construction till now in China, and its construction is quite difficult with high requirements for site organization. This article presents the bottom sealing construction technology for the caisson of north anchor of Taizhou Bridge mainly in the aspects of base cleaning, bottom sealing equipment arrangement and sealing concrete construction technique.

Keywords

extra large on land caisson ; bottom sealilng construction technology for caisson ; Taizhou Bridge

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