Highly accurate and current geospatial information about a quarry, cut or mine for the development of current graphic documentation. Centimetre-accurate orthophotographic maps and digital terrain models. Surveys of dangerous and difficult-to-reach areas. Creation of 3D models for mining facilities with accurate assessment of their volumes, and their export into a CAD system. Aeromagnetic surveys of difficult-to-reach areas.
Surface mapping for quarries, cuts and mines
Digital surface models created with the use of UAV-based surveys are significantly more detailed than those based on ground surveys. They are created in the form of regular grid with centimeter spatial resolution.
The image depicts a 3D model created in a CAD system based on the results of a ground tacheometric survey, and the result of combining that model with he model based on an aerial photographic survey.
Automated calculation of production volumes of stripping works and determination of lossAutomated estimation of extraction volumes, overburden and losses
The data obtained is used to create an orthophotographic map with a resolution of up to 5 cm and an accuracy of 15 cm in terms of standard deviation; a digital terrain model; and a textured 3D model of the quarry or cut.
The resulting three-dimensional geotagged models can be exported into a CAD system; facilities under development can be inserted for visualisation purposes.
The 3D models are used for calculating the volumes of overburden and ores extracted from the quarry, to analyse the condition of the quarry sides, to create topographic profiles, to search for deformations and displacements, and to assess production volumes.
Aeromagnetic surveying of difficult-to-reach areas
Magnetometric surveys are performed with the use of a multirotor UAV carrying a quantum magnetometer. This method combines the advantages of ground-based surveys (highly detailed results) and aeromagnetic surveys using manned aircraft (shorter surveying times).
The method is particularly efficient in surveying medium-sized target areas, when the use of manned aircraft is unfeasible and ground-based surveys are too expensive
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