Up to now, the performance of the metal beam as a part of brick vault has been studied very little.
DOI: 10.23968/1999-5571-2021-18-2-42-48
The article presents the experience results of using unmanned aerial vehicles on the example of the DJI quadcopter (Phantom 3 model) for inspection and measurement of buildings, high-rise and line str
DOI: 10.23968/1999-5571-2017-14-3-109-116