Use of Unmanned Aerial Vehicles for Inspection of Bridges and Viaducts in Northeast Brazil
Publication: Forensic Engineering 2022
ABSTRACT
Unmanned Aerial Vehicles (UAVs) are tools that are utilized in inspections that can minimize human risk when working at high heights. UAVs provide access to critical locations and they are cost-effective compared to traditional methods. This study is aimed at analyzing the structural conditions of a steel bridge and a reinforced concrete viaduct, using an UAV. The steel bridge is in Paulo Afonso and the reinforced concrete viaduct is in Garanhuns, both cities located in northeastern Brazil. Drone models manufactured by DJI were used. Aerial records were made to identify possible pathological manifestations and to characterize the preservation of the structures. As results, oxidation spots were found on the bars and cracks and efflorescence were found on the foundation of the steel bridge. On the viaduct, more than the cracks and efflorescence, exposed reinforcements were found in a state of degradation. Thus, the efficiency of using the UAVs for the evaluation of the bridge and the viaduct was verified.
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REFERENCES
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Forensic Engineering 2022
Pages: 564 - 573
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Published online: Nov 2, 2022
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