2013•Construction TechnologyRequires access

Construction Technology of Large-diameter Circular Steel Sheet Pile Cofferdam

Cccc Third

Abstract

Because of short construction period and low cost,steel sheet pile cofferdam are more and more applied in deep-water foundations.The round pile cap of Xuzhou—Mingguang Highway Huaihe River Bridge No.20 pile cap has diameter of 26.0m,using a circular steel sheet pile cofferdam.Combined with the engineering practice,this paper introduces the construction of the steel sheet pile,installation of cofferdam,leakage treatment of locking steel sheet pile,pouring of the back cover of concrete and other complete sets of technology for large-diameter circular steel sheet pile cofferdam.

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Key concepts: Cofferdam, Sheet pile, Pile cap, Pile, Engineering, Geotechnical engineering, Structural engineering