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2009•Hydropower Automation and Dam MonitoringRequires access

The Accuracy Evaluation of Daheiting Dam Vertical Displacement Measurement

Gao Yanguo

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Abstract

In the accuracy evaluation of the vertical displacement measurement for the Daheiting dam,the accuracy index formula is used while all the measuring stations are regarded as a measuring segment,leading to certain deviation.Aiming at the defect in vertical displacement accuracy evaluation,in combination with the actual situation,a new vertical displacement measurement method is presented.Each section between two fixed points are taken as a segment in the calculation of the accuracy index.The new method is more reasonable and valid and can be used for the evaluation of the precision of dam vertical displacement measurement.

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What this paper is about

In the accuracy evaluation of the vertical displacement measurement for the Daheiting dam,the accuracy index formula is used while all the measuring stations are regarded as a measuring segment,leading to certain deviation.Aiming at the defect in vertical displacement accuracy evaluation,in combination with the actual situation,a new vertical displacement measurement method is presented.Each section between two fixed points are taken as a segment in the calculation of the accuracy index.The new method is more reasonable and valid and can be used for the evaluation of the precision of dam vertical displacement measurement.

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Available abstract

In the accuracy evaluation of the vertical displacement measurement for the Daheiting dam,the accuracy index formula is used while all the measuring stations are regarded as a measuring segment,leading to certain deviation.Aiming at the defect in vertical displacement accuracy evaluation,in combination with the actual situation,a new vertical displacement measurement method is presented.Each section between two fixed points are taken as a segment in the calculation of the accuracy index.The new method is more reasonable and valid and can be used for the evaluation of the precision of dam vertical displacement measurement.

Key concepts: Displacement (psychology), Vertical displacement, Accuracy and precision, Geodesy, Horizontal and vertical, Structural engineering, Engineering, Geology

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