Development and Laboratory Trials of the Light-Based High-Resolution Target Movement Monitor for Monitoring Convergence at Underground Mines
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 133, Issue 9
Abstract
This paper describes a development and laboratory evaluation of the light-based high-resolution target movement monitor which can be used to measure convergence at underground excavations with submillimeter accuracy. The monitor is based on unique measurement technology which was developed at the University of Missouri-Rolla. This system has the potential for high accuracy detection and monitoring of positional changes (as small as with the current laboratory implementation) presented by many types of targets located in close proximity to or at far distances from the monitor. The sensitivity of the system to camera resolution and the error analysis as a function of the laser incident angle are described. The system utilizes custom computer processing, a high-resolution camera, and laser light to measure the distance to a target accurately in one dimension, but it can also be used for performing two-dimensional surface profiling or analyzing three-dimensional movement of the target. The ability of this optical system to measure ground movement with submillimeter accuracy will allow for monitoring ground convergence in areas of high traffic or which are inaccessible for the installation of traditional ground movement sensing devices.
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References
Brady, B. H. G., and Brown, E. T. (2004). Rock mechanics for underground mining, Kluwer Academic, Dordrecht, The Netherlands.
Chrzanowski, A. (1990). “Rock movements.” Mine monitoring manual, J. Franklin, ed., The Canadian Institute of Mining and Metallurgy, Montreal, Vol. 42, 109–117.
Gray, B. R. (2006). “Optical projection and image processing approach for mine wall monitoring.” MS thesis in Electrical Engineering, Univ. of Missouri—Rolla, Rolla, Mo.
Gray, B. R., et al. (2007). “Optical projection and image processing approach for mine wall monitoring.” Opt. Eng., 46(1), 013601-1–013601-8.
Iannacchione, A. T., et al. (2000). “Roof monitoring helps prevent injuries in stone mines.” Min. Eng., 52(11), 32.
Johnson, R. A., and Bhattacharyya, G. K. (1992). Statistics–Principles and methods, Wiley, New York.
Kavanagh, B. F., and Bird, G. J. (2000). Surveying: Principles and applications, Prentice-Hall.
Kovari, K., and Amstad, C. (1993). “Decision making in tunnelling based on field measurements.” Compressive Rock Eng, 4, 571–606.
Kwon, S., and Wilson, J. W. (1999). “Deformation mechanism of the underground excavations at the WIPP site.” Rock Mech. Rock Eng., 32, 101–122.
Marshall, T. E., et al. (2000). “Roof monitoring in limestone mines; experience with the roof monitoring safety system (RMSS).” Proc., 19th Int. Conf. on Ground Control in Mining, West Virginia Univ., Morgantown, W.Va., 185–191.
Mine Safety and Health Administration (MSHA). (2005). “Coal daily fatality report—End of year.” ⟨http://www.msha.gov⟩ (2006).
United States Army Corps of Engineers. (2002). Engineering and design—Structural deformation surveying, Washington, D.C.
Wolf, P. R., and Ghilani, C. D. (2006). Elementary surveying: An introduction to geomatics, Prentice-Hall, New York.
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© 2007 ASCE.
History
Received: Dec 9, 2005
Accepted: Jan 12, 2007
Published online: Sep 1, 2007
Published in print: Sep 2007
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