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Applications of Low-ceiling Photogrammetry Using UAV to Verify the Thickness of a Mineral-asphalt Package

Wróblewska Magdalena, Grygierek Marcin, Rotyńska-Kowalska Agnieszka

Inżynieria Mineralna

2024

Vol. 1, no. 2

art. no. 28

Low-ceiling photogrammetry using unmanned aerial vehicles (UAVs) is becoming more and more widely used in engineering works. The use of this method is supported by the possibility of remote measurement quickly and at the same time with appropriate accuracy. UAV measurements are extremely useful over large areas, including construction sites. Such monitoring enables constant control of the progress of construction works, with the possibility of taking measurements. In the research, the authors verified the possibility of using a tool such as a UAV in the inventory of road investments, i.e. to control the thickness of the mineral-asphalt package. A testing ground was used for this purpose. Based on the raids performed before and after applying the mixture, the resulting dense point clouds were compared. Thanks to this, the actual thickness of the fresh surface was checked with the design assumptions. Results ranging from 9 to 11 cm were obtained, which indicates satisfactory compliance with the design.