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Temat i słowa kluczowe:
vibrations ; measurement accuracy ; precise levelling ; leveller digital ; drgania ; dokładność pomiaru ; poziomowanie ; niwelator cyfrowy
Abstract:
The article presents findings from research on the effect of vibrations on the accuracy of measurement with an automatic precise digital leveller. A special research station was created to induce vibrations on a leveller and to measure vibration parameters that affect staff reading. It contains description of discovered relationship between the vibration parameters and the mean error of a single height difference measurement. ; The range of frequencies for which the measurement was possible was estimated. The reliability of the measured values obtained under specific vibration conditions was also analysed. The results of current research were compared with similar studies on analogue leveller Ni 002. The conclusions described in this paper can be helpful in engineering measurements under adverse conditions of ambient vibrations.
Opis:
tytuł dodatkowy: Prace z Inżynierii Lądowej i Środowiska
Wydawca:
Zielona Góra: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
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Źródło:
Civil and Environmental Engineering Reports (CEER), no 30, vol. 4