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17 September 2018 A novel application of photogrammetry to ground convergence monitoring in underground excavations
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Abstract
Researchers from the National Institute for Occupational Safety and Health (NIOSH) Spokane Mining Research Division (SMRD) are evaluating the comparative performances of ground convergence monitoring methods currently utilized in underground mining. A portion of this research is exploring applications of photogrammetry for periodic visual assessment of slow-converging ground. This paper describes the photogrammetric systems evaluated, including their components and methodology. These systems include light-weight equipment easily carried by a single individual traversing rough terrain in underground mine environments. This study demonstrates how photogrammetric methods may complement or replace existing underground convergence monitoring techniques on the basis of time and personnel requirements, equipment cost and robustness, and overall data quality. This research supplements previous studies into photogrammetric and laser scanning methods, and enhances understanding of how digital technology may be utilized to maximize safety in underground excavations. NIOSH SMRD is committed to improving workforce health and safety through innovative research and applications of technology.
Conference Presentation
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Donovan J. Benton, Sean N. Warren, Carl B. Sunderman, and Jerald R. Richardson "A novel application of photogrammetry to ground convergence monitoring in underground excavations", Proc. SPIE 10746, Novel Optical Systems Design and Optimization XXI, 107460B (17 September 2018); https://doi.org/10.1117/12.2321247
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