Research on Key Prestress Construction Techniques of Continuous Box Girder

You Mo; Xian Bing Huang; Yu Sheng Zeng; Feng Hui Chen; Hong Wei He; Lian Xiao; Xian Jun Shu

doi:10.4028/www.scientific.net/AMR.724-725.1670

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 724-725Research on Key Prestress Construction Techniques...

Research on Key Prestress Construction Techniques of Continuous Box Girder

Abstract:

The cast-in-place prestressed concrete continuous box girder is commonly used in the place where the structures are needed to be subjected to long span, heavy loads and complex curves, et al. Combined the prestress theory with engineering practice, this paper focuses on the theoretical elongation and tension of the prestress steel strand and accident prevention and treatment and other key technologies with “dual control” theory to guide on-site construction and with comprehensive ways to verify the theoretical elongation. The prestress concrete construction of Shoujiang Bridge continuous box girder shows that the prestress construction techniques were strictly controlled to ensure the continuous box girder completed and to meet the requirements of the design and specification.

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Periodical:

Advanced Materials Research (Volumes 724-725)

Pages:

1670-1676

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.724-725.1670

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Online since:

August 2013

Authors:

You Mo, Xian Bing Huang, Yu Sheng Zeng, Feng Hui Chen, Hong Wei He, Lian Xiao, Xian Jun Shu

Keywords:

Accident Prevention and Treatment, Continuous Box Girder, Steel Strand

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