Key Design and Construction Techniques for Collisionproof Steel Cofferdam for Large Span Cable-Stayed Bridge

Wei Zhou Li; Zhong Ju Feng; Zhong Chao Hu; Dong Liang Xun; Jian Zeng; Qiang Peng

doi:10.4028/www.scientific.net/AMM.238.677

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 238Key Design and Construction Techniques for...

Key Design and Construction Techniques for Collisionproof Steel Cofferdam for Large Span Cable-Stayed Bridge

Abstract:

As an example, the design and construction technology of the anti-ship collision suspended steel cofferdam in Shanghai Changjiang River Bridge has been discussed. Design analysis shows that: by using the anti-ship collision suspended steel cofferdam the bridge pier can be protected and adopted lots of collision energy. At the same time, the collision injury degree of the vessel could be reduced. By using the finite element method, the deformation and strain state under the stage of construction and floating-transportation had been analyzed. Considering both the anti-ship collision and the construction, the anti-ship collision suspended steel cofferdam has been designed. In construction stage, the following methods had been developed: the integrally manufacturing method in factory, launching method to river in slideway, fioating-transportion method to the pier position in long distance and set-to-place method by synchronous lifting of two floating cranes. These results listed in this paper are beneficial to the design and construction of the anti-ship collision suspended steel cofferdam.

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Periodical:

Applied Mechanics and Materials (Volume 238)

Pages:

677-683

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.238.677

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Online since:

November 2012

Authors:

Wei Zhou Li, Zhong Ju Feng, Zhong Chao Hu, Dong Liang Xun, Jian Zeng, Qiang Peng

Keywords:

Anti-Ship Collision, Construction, Design, Long-Span Cable-Stayed Bridge, Suspended Steel Cofferdam

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