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Roadway stability in coal mines is an important geological survey work that has attracted attention in recent years due to the potential for local evolutionary damage or collapse and the risk of accidents. The 3D laser scanning technology is an efficient and quick way to obtain the three-dimensional coordinate information of the surface and is advantageous due to its rapidity, initiative, and non-contact features. This technology can be used to monitor the rock deformation and provide an early response to potential risks.
