The Key Technology of Skew Continuous Prestressed Concrete Box Girder Bridges with Incremental Launching Method

Abstract:

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Incremental launching method is a construction technology for prestressed concrete continuous bridges widely used in China. In the incremental launching method, the superstructure of a bridge is erected from one side of bridge longitudinally to the opposite bank. Compared with other technology for bridge erection methods, it may reduce the cost of labor, shorten the construction period and save the assembly yard. So it is a competitive construction method for medium-span prestressed concrete continuous bridges. A large number of skew bridges will be built especially at mountain area, so it is very necessary to research on incrementally launching method for skew bridges. The objective of the study presented in this paper is to introduce the method used in the Lishui Bridge in Zhangjiajie city of China.

Info:

Periodical:

Key Engineering Materials (Volumes 400-402)

Edited by:

Jingsi Huo, Yan Xiao, Zongjin Li and Shuaib Ahmad

Pages:

639-644

DOI:

10.4028/www.scientific.net/KEM.400-402.639

Citation:

Z. C. Tian et al., "The Key Technology of Skew Continuous Prestressed Concrete Box Girder Bridges with Incremental Launching Method", Key Engineering Materials, Vols. 400-402, pp. 639-644, 2009

Online since:

October 2008

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Price:

$35.00

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