Geometry Control of The Steel Box Girder of Jiashao Bridge at The Fabrication Stage

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Abstract:

The fabrication precision of steel box girder segments is critical to ensure the erection of girder segments is smooth. Taken Jiashao bridge as the research subject, based on geometry control theory, control elements of a steel box girder and control method were introduced, and measured data in the fabrication control of Jiashao bridge girder was given. Control practice shows the erection of the girder is smooth due to the precise control of steel box girder segments at the fabrication stage, and the profile of main girder at completion stage can achieve smoothly the design profile.

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1255-1259

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January 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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