Prefabrication and Erection Technology of Wide Box Girders in Cross-Sea Bridge

Yue Huang; Xing Fa Wu

doi:10.4028/www.scientific.net/AMR.1065-1069.882

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1065-1069Prefabrication and Erection Technology of Wide Box...

Prefabrication and Erection Technology of Wide Box Girders in Cross-Sea Bridge

Abstract:

In the approach spans of Quanzhou Bay Cross-sea Bridge, these standard spans are 50m or 70m , width is 20.05m.The approach spans have been built by using short Line segments precast and erection method. This is the first application in the cross sea bridges. According to characteristics of this project, the research on prefabrication and erection technology of wide box girders has been carried out to solve the technical problems in the process of construction. The research show that: 1)In precasting process , the vertical deformation of wide box girder is very small under dead load and temperature load etc. so the influence of prefabrication and erection accuracy can be ignored; 2)The temporary anchor using prestressed steel strand better than planished steel; 3) When using epoxy gasket to adjust geometric line shape, the thickness of cemented layer has a great influence on the linear adjustment;4)The epoxy gasket and bridge erecting machine should be used together, Alignment adjustmen could obtain satisfactory results.

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Periodical:

Advanced Materials Research (Volumes 1065-1069)

Pages:

882-888

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1065-1069.882

Citation:

Cite this paper

Online since:

December 2014

Authors:

Yue Huang*, Xing Fa Wu

Keywords:

Install, Linear Adjustment, Prefabricate, Temporary Anchorage, Wide Box Girders

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* - Corresponding Author

References

[1] Yue Huang, Min Wang, Hehui Zheng: Journal of China& The 2012 annual conference of the bridge. 536-540(2012-9) In Chinese.

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[2] Min Wang, Yongtao Zhang, Jinghong Liu: Engineering Sciences. 79-81(2009-11) In Chinese.

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[3] Yue Huang, Min Wang, Hehui Zheng, Xingfa Wu: Geometry Control Technology of Transition Curve Section in Cross-sea Bridge Erected by Precasting Segment Girder, 2nd International Conference on Civil Engineering and Transportation1548-1553(2012).

DOI: 10.4028/www.scientific.net/amm.256-259.1548

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