Abstract
This paper presents the process of making the 3D model of terrain, digital elevation model and orthophoto at the location of the Crveni Breg mine. The necessary photos were taken with a 20-megapixel digital camera attached on the DJI Phantom 4 Pro photography UAV. AgiSoft PhotoScan was used to create the 3D model of terrain. A spatial visualization of mining facilities on the second horizon of the “Crveni Breg” mine was carried out with the assistance of this 3D model of the underground facilities designed in the Autodesk Civil 3D software. Two 3D models were connected to obtain complete spatial visualization of the area. The aim of this paper is to present a general overview of the possibilities that emerge by combining digital aerial photogrammetry and 3D models of underground mines, primarily in the context of protecting infrastructure, and other objects from the impact of underground mining operations as well as serving as a quick, simple, easy and relatively reliable track for potential subsidence.
Highlights
Mining graphic documentation provides complete information on situations related to terrain surface and on mining work within a particular exploitation field
The aim of this paper is to present a general overview of the possibilities that emerge by combining digital aerial photogrammetry and 3D models of underground mines, primarily in the context of protecting infrastructure, and other objects from the impact of underground mining operations as well as serving as a quick, simple, easy and relatively reliable track for potential subsidence
This paper explains the process of creating a 3D model of terrain, digital elevation model and orthophoto, based on the images taken by a digital camera from a unmanned aerial vehicle (UAV)
Summary
Mining graphic documentation provides complete information on situations related to terrain surface and on mining work within a particular exploitation field. UAVs in the mining industry have the widest use and application in the photo shooting of open-pit mines, quarries and their slopes, and are used to gather data for making 3D terrain models. Based on such models, it is possible to monitor the process of extraction of mineral resources and potential landslides as well as determine the volumes of materials. The application of digital photogrammetry, in the underground exploitation of mineral resources and underground construction, has been mainly reduced to defining the parameters of the face of the work site. By using UAVs, it is easy to track the terrain displacements during the exploitation of the deposit which saves a significant amount of time and money invested in the process
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