LOW COST DEFORMATION ANALYSIS OF OPEN PIT MINE BY USING UNMANNED AERIAL VEHICLE (UAV) TECHNOLOGY

Date

2024-1-26

Author

Söğütcü, Göktuğ

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Geotechnical engineers are authorized people to assess the stability of any structure in mining projects as in the other engineering projects such as tunnel, motorway or dam construction, etc. In those projects, deformation analysis is critical for geotechnical works because any failure, or major landslides that may occur in the projects can cause pecuniary or non-pecuniary damages. Therefore, geotechnical engineers have been using many monitoring tools like Slope Stability RADAR, Robotic Total Station, InSAR, extensometer and inclinometers. However, those instruments require high initial investment and require stable environments to establish a baseline in the beginning period of a lot of mining projects, where this situation directs companies and engineers to find alternative solutions for monitoring. Unmanned Aerial Vehicles (UAV) are one of those alternatives to perform slope stability assessment in a cheap and reliable way. Thus, the usage of those are increasing in mining operations and other engineering fields progressively. In this thesis, the UAV’s are used to make a 3D change detection analysis and instability assessment map of an open pit by using free open-source softwares. As a result of these analyses, it is clearly presented that the instabilities are small-scale, and the maximum displacement is -2.41m in the studied area. An instability assessment map is created to specify the susceptible zones by using some significant criteria that may affect the stability in the pit. This thesis aims to present how geotechnical engineers can detect deformation regions in an open pit by using UAVs.

Subject Keywords

Unmanned Aerial Vehicle (UAV), Monitoring, Change Detection, Slope Instability

URI

https://hdl.handle.net/11511/108420

Collections

Graduate School of Natural and Applied Sciences, Thesis