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INFLUENCE OF THE TEMPERATURE EXTENSION OF THE STAFFS ON THE REZULTS OF PRECISE LEVELLING MEASUREMENTS

Kremena Stereva

First published: 2020-09-20https://doi.org/10.5593/sgem2020/2.2/s09.008View metrics

Abstract

The influence of the temperature fluctuations on the staffs for precise levelling are investigated. The investigations are realized on a real levelling line in the State levelling network of RBulgaria. There is analyzed the influence of the temperature extension of the staffs on the whole height difference between the outlying benchmarks of the line and on the three intermediate sections: with representative low temperatures; with a various, from topographic point of view, terrain and with a sharply temperature changing. For the calculation of the temperature corrections a calibration- table about the relevant class of staffs is used. The necessity about accounting of the temperature extension of the staffs during the preliminary processing of the precise levelling measurements is well-founded.

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Publication details

Title
INFLUENCE OF THE TEMPERATURE EXTENSION OF THE STAFFS ON THE REZULTS OF PRECISE LEVELLING MEASUREMENTS
Authors
Kremena Stereva
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Informatics, Geoinformatics and Remote Sensing
Publisher
STEF92 Technology
Year
2020
Pages
63-70
SWS Citekey
Stereva202096370
ISSN
1314-2704
ISBN
978-619-7603-07-1
Language
en
Publication type
Conference Paper
Keywords
the influence of temperature expansionprecise leveling
References9

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