Resurvey and Analysis of GPS Horizontal Network for WZ Bridge

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Abstract:

This paper discusses the resurvey conditions of the GPS horizontal network for WZ Bridge in Wanzhou District, Chongqing City, China. Through the adjustment of the observation data, this paper shows that using the short side as the lofting directed edge in high-precision lofting should be avoided. Further, resurvey results show that the control network accuracy can meet standard requirements. The control network can be used for precision measurement in the anti-collision facilities installation engineering of WZ Bridge, and can also be a reference for other engineering control networks in mountainous river areas.

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2169-2173

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September 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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