Building 3D model for the deep vertical shaft in Nui Beo coal mine using Terrestrial laser scanning technology
Abstract
Nowadays, deep vertical shafts have been built normally in Vietnam’s underground coal mines. During the operation of the underground coal mines, the deep vertical shafts must check periodically. With the advantages of fast measurement, high accuracy, point cloud data, the ability to process data by other specialized software, etc. Terrestrial laser scanning technology has allowed building 3D models for deep vertical shafts and used for other different purposes. In this present, by using Topcon's equipment and software, the process of establishing a 3D model for the main vertical shaft of the Nui Beo coal mine at a depth of 400 m was indicated. The simulation results have the cumulative error of sampling interval of stations not more than 4 mm, and the average position deviation of the aim direction relative to the vertical is 8.3 mm.References
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