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UDC: 528.482:519.23
DOI: 10.14438/gn.2015.01
typology: 1.01
submitted: 2015-01-05, accepted: 2015-02-23, published: 2015-02-28

Comparison of height differences obtained by trigonometric and spirit leveling method

Žarko Nestorović1, Siniša Delčev2*

1Powerplant Đerdap, Serbia
2University of Belgrade, Faculty of Civil Engineering, Serbia

Abstract. This paper aims to show some research about comparison of heights differences obtained by trigonometric and spirit leveling method. Even though it seems that height differences obtained by these two methods could not be compared it is possible to state that, under some conditions, it is possible to compare them. Bearing in mind the essential characteristics of trigonometric and spirit leveling it is possible, under the some restrictions, to state that heights differences obtained by trigonometric and spirit leveling are comparable. Those limitations are firstly related to the trigonometric leveling method because the different influences considerably limit its accuracy. In that sense the results of height differences obtained by spirit leveling method could be considered as significantly more accurate than the results obtained by trigonometric leveling method. In this paper some short analysis of both methods for heights differences determination are given and, after that, the case study from the practice is shown and analyzed according to the given and utilized mathematical and statistical model.

Keywords. statistical hypothesis testing, pairs of measurement, trigonometric leveling, spirit leveling

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