The main task of geodetic observations within the monitoring of buildings is to identify changes in the spatial position of the load-bearing structures of buildings. Such monitoring makes it possible to determine the condition of the building and prevent accidents, destruction and ensure human life. The method of monitoring vertical displacements of building constructions is offered and tested in the work. 13 cycles of geodetic observations of the sedimentary marks were carried out in the building of the shopping complex on two floors, and the conditional heights of the sedimentary marks were determined. The difference of certain heights of the same marks for a certain period of time allows us to determine the amount of vertical displacements. Excess between marks was determined by the method of II class geometric leveling. Leveling was performed at two horizons of the level, in the forward and reverse directions. The results of measurements were balanced by the nodal point method, and the leveling line was closed on each floor. As a result, we obtained the heights of sedimentary marks and the root mean square errors of their determination. The obtained results suggest that such observation technique can be recommended to determine the vertical displacements at similar objects.
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