The deformation analysis using hypothesis tests

Year 2019, Volume: 4 Issue: 2, 88 - 93, 01.06.2019

Ulku Kirici Yildirim , Yasemin Sisman

https://doi.org/10.26833/ijeg.473944

Cited By: 2

Abstract

There are temporary or permanent physical changes depending on time in earth surface. These physical changes named as deformation. The magnitude and direction of the deformation effect must be measured and controlled. The geodetic deformation network is established to determine the deformation movements and the deformation measurements are made. Then, the point coordinates are calculated used the free network adjustment. So, the different point coordinates were obtained according to measured time. The difference of point coordinate must be test to decide as significant or insignificant. Thus, the significance test based hypothesis test can be made. In this study, deformation network was established in Toybelen village of Samsun province and the deformation measurements were made periodically. The deformation network was create with using 15 points and one of these point is the control point. This deformation network measured in two periods used the global positioning system. Evaluation was made using the Topcon program and point coordinates were obtained. Differences in point coordinates received and these differences were significant tested. The program written in the matlab program was used for this test. Finally, coordinate values compared in two periods and movement points have been identified.

Keywords

Deformation, Hypothesis Tests, Significant Tests, Outlier Measurement Tests

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