Determination of Cast-In Situ Section Lengths of Reinforced Concrete Arch Bridge in Arch Centering Method

Shui Xing Zhou; Min Zhang; Bin Liu; Jun Xu

doi:10.4028/www.scientific.net/AMR.243-249.1935

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 243-249Determination of Cast-In Situ Section Lengths of...

Determination of Cast-In Situ Section Lengths of Reinforced Concrete Arch Bridge in Arch Centering Method

Abstract:

It is a common construction method to pour arch concrete in arch centering. The deformation law of arch centering was analyzed in process of pouring arch concrete, a new method to determine concrete cast-in-situ section lengths and corresponding formulas which based on deformation scale of arch centering were presented. According to influence line of arch centering deflection, a program used to calculate cast lengths and arch centering deformations was developed. This program could automatically calculate each segment of arch concrete based on the assigned deformation conditions. A numerical result shows that when the arch centering deformation scale was taken as the target, deformation proportion caused by each segment of concrete should be controlled on 0.5-0.6.

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Periodical:

Advanced Materials Research (Volumes 243-249)

Pages:

1935-1940

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.243-249.1935

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Online since:

May 2011

Authors:

Shui Xing Zhou, Min Zhang, Bin Liu, Jun Xu

Keywords:

Arch Centering Method, Cast-In Situ, Influence Line of Deflection, Reinforced Concrete Arch Bridge, Section Length

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