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Title: INFLUENCE OF THE TEMPERATURE EXTENSION OF THE STAFFS ON THE REZULTS OF PRECISE LEVELLING MEASUREMENTS
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INFLUENCE OF THE TEMPERATURE EXTENSION OF THE STAFFS ON THE REZULTS OF PRECISE LEVELLING MEASUREMENTS
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1314-2704
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English
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20
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2.2
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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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conference
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20th International Multidisciplinary Scientific GeoConference SGEM 2020
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20th International Multidisciplinary Scientific GeoConference SGEM 2020, 18 - 24 August, 2020
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts & Letters; Acad Fine Arts Zagreb Croatia; C
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63-70
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18 - 24 August, 2020
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website
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cdrom
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7047
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the influence of temperature expansion; precise leveling
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