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http://dx.doi.org/10.22156/CS4SMB.2021.11.01.136

A Study on the Development Site of an Open-pit Mine Using Unmanned Aerial Vehicle  

Kim, Sung-Bo (Dept. of Energy and Mineral Resources Eng., Dong-A University)
Kim, Doo-Pyo (Dept. of Civil Engineering, Dong-A University)
Back, Ki-Suk (School of Building & Environment Design, Ulsan College)
Publication Information
Journal of Convergence for Information Technology / v.11, no.1, 2021 , pp. 136-142 More about this Journal
Abstract
Open-pit mine development requires continuous management because of topographical changes and there is a risk of accidents if the current status survey is performed directly in the process of calculating the earthwork. In this study, the application of UAV photogrammetry, which can acquire spatial information without direct human access, was applied to open-pit mines development area and analyzed the accuracy, earthwork, and mountain restoration plan to determine its applicability. As a result of accuracy analysis at checkpoint using ortho image and Digital Surface Model(DSM) by UAV photogrammetry, Root Mean Square Error(RMSE) is 0.120 m in horizontal and 0.150 m in vertical coordinates. This satisfied the tolerance range of 1:1,000 digital map. As a result of the comparison of the earthwork, UAV photogrammetry yielded 11.7% more earthwork than the conventional survey method. It is because UAV photogrammetry shows more detailed topography. And result of monitoring mountain restoration showed possible to determine existence of rockfall prevention nets and vegetation. If the terrain changes are monitored by acquiring images periodically, the utility of UAV photogrammetry will be further useful to open-pit mine development.
Keywords
Open-pit Mine; UAV-Photogrammetry; Ortho Image; DSM; Mountain Restoration;
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Times Cited By KSCI : 2  (Citation Analysis)
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