Porównanie wyników pomiarów czujnikami inklinometrycznymi z pomiarami GNSS w monitoringu permanentnym przemieszczeń obiektów

W artykule omówiono wyniki pomiarów dwoma systemami. Jednym z nich pochyłomierz elektroniczny, a drugim zestaw odbiorników GNSS. Urządzenia zamontowane są na jednym budynku. Opracowanie wyników polegało na obliczeniu zmian pochyleń obiektu rejestrowanych przez inklinometr i porównanie ich ze zmianami współrzędnych punktów wyznaczonych na podstawie pomiarów satelitarnych wykonanych techniką PPP. Analizy miały na celu wykazanie podobieństwa w rejestrowanych przez urządzenia deformacjach budynku.

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: In the paper the results of surveys conducted by means of two surveying systems are presented. One of the systems is a precise electronic inclinometer (Fig. 2), while the other is a set of two GNSS receivers. The devices are installed on one building. The study of the results consisted in calculating changes in the object’s inclinations recorded locally by the inclinometer and comparing them with the changes of coordinates of points marked on the basis of satellite surveys conducted by means of the PPP technique. The analyses were aimed at revealing the similarities in the building deformations recorded by the devices. The surveys were performed on the building which belongs to the AGH University of Science and Technology in Krakow. In Fig. 1A the localisation of the building on the area of the university is presented, whereas Fig. 1B shows the approximate position of the surveying devices on the object. The study presents the results of observations related to the changes in the object’s inclination which were recorded from 22nd March 2013 to 31st March 2013. The unprocessed observation data from the NIVEL device was processed by the comparison of changes in the object’s inclinations in daily intervals. The coordinates of the KRAW and KRA1 points were marked by means of the PPP technique, also in a daily interval. The results of the comparison for the whole analysed period of time- after the subtrac-tion of the average value- are presented in Fig. 4.