APPLICABILITY OF 3D LASER SCANNING TECHNOLOGY IN MINING SUBSIDENCE MONITORING

Lihui Wang (), Rongfei Yang, Yong Lei, Chengcheng Fan, Jibo Liu and Chuanjian Ren
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Lihui Wang: Guizhou University of Engineering Science, Bijie, 551700, China
Rongfei Yang: Guizhou University of Engineering Science, Bijie, 551700, China
Yong Lei: Guizhou University of Engineering Science, Bijie, 551700, China
Chengcheng Fan: Guizhou University of Engineering Science, Bijie, 551700, China
Jibo Liu: Guizhou University of Engineering Science, Bijie, 551700, China
Chuanjian Ren: Guizhou University of Engineering Science, Bijie, 551700, China

Engineering Heritage Journal (GWK), 2024, vol. 8, issue 1, 01-06

Abstract: 3D laser scanning technology has been applied in mining subsidence monitoring to some extents. Based on the existing observation conditions in the experimental area, the laser point cloud data was collected; Then the methods of point cloud data denoising, registration, filtering and subsidence basin extraction were discussed. Finally, the processing results were analyzed and tested. The results show that: (1) The orientation method has better applicability in mining subsidence monitoring based on TLS, and can avoid the error accumulation caused by the registration method; (2) The error rate of the Irregular Triangulation filtering method with additional constraints on the selection of ground points is 4.22%, which is better than the fitting method; (3) The subsidence basin obtained by TLS has high accuracy, and the mean square error of the difference between TLS and surface subsidence measured by leveling is 3.3 cm.

Keywords: 3D laser scanning; Mining subsidence; Point cloud registration; Subsidence basin (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbngwk:v:8:y:2024:i:1:p:01-06

DOI: 10.26480/gwk.01.2024.01.06

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