Geometry Control Technology of Transition Curve Section in Cross-Sea Bridge Erected by Precasting Segment Girder

Yue Huang; He Hui Zheng; Min Wang; Xing Fa Wu

doi:10.4028/www.scientific.net/AMM.256-259.1548

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 256-259Geometry Control Technology of Transition Curve...

Geometry Control Technology of Transition Curve Section in Cross-Sea Bridge Erected by Precasting Segment Girder

Abstract:

The short line match-cast method of precast segments has proved to be the most versatile and reliable way to concrete bridge construction. The success of match-cast method relies heavily on accurate geometry control in precasting as the scale of adjustments during erection is very small and difficult to implement. So the required levels of accuracy in segments match-casting are stringent in order to assure erection accuracy. Therefore, the research on segments match-casting and geometry control technique of space distorted segments are very important.Based on the principle of match-casting using the short-line method, the geometry control technology of transition curve section in cross-sea bridge erected by precasting segment girder is proposed. As an example of south approach spans in north branch of Xia-zhang Cross-sea Bridge, this paper will provide a reference for the construction of similar bridges.

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Periodical:

Applied Mechanics and Materials (Volumes 256-259)

Pages:

1548-1553

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.256-259.1548

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Online since:

December 2012

Authors:

Yue Huang, He Hui Zheng, Min Wang, Xing Fa Wu

Keywords:

Erection, Geometry Control Technology, Precast Segment, Short Line, Transition Curve Section

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References

[1] Yue Huang, Min Wang: Journal of China& Foreign Highway. 142-145(2011-4) 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] Kavin Kumar,K. Senthil Nathan, Koshy Varghese,K. Ananthanarayanan: Automated Geometry Control of Precast Segmental Bridges, The 25th International Symposium on Automation and Robotics in Construction(2008).

DOI: 10.3846/isarc.20080626.88

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