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Mining Publication: Volumetric Measurement of Rock Movement Using Photogrammetry
Keywords: In situ rock strength measurement Rock mechanics Support design and selection
Original creation date: January 2016
Authors: DJ Benton, SR Iverson, LA Martin, JC Johnson, MJ Raffaldi
Peer Reviewed Journal Article - January 2016
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NIOSHTIC2 Number: 20047309
Int J Min Sci Technol 2016 Jan; 26(1):123-130
NIOSH ground control safety research program at Spokane, Washington, is exploring applications of photogrammetry to rock mass and support monitoring. This paper describes two ways photogrammetric techniques are being used. First, photogrammetric data of laboratory testing is being used to correlate energy input and support deformation. This information can be used to infer remaining support toughness after ground deformation events. This technique is also demonstrated in a field application. Second, field photogrammetric data is compared to crackmeter data from a deep underground mine. Accuracies were found to average 8 mm, but have produced results within 0.2 mm of true displacement, as measured by crackmeters. Application of these techniques consists of monitoring overall fault activity by monitoring multiple points around the crackmeter. A case study is provided in which a crackmeter is clearly shown to have provided insufficient information regarding overall fault ground deformation. Photogrammetry is proving to be a useful ground monitoring tool due to its unobtrusiveness and ease of use.
Cover page for Volumetric Measurement of Rock Movement Using PhotogrammetryPeer Reviewed Journal Article - January 2016
Go to Web Page
NIOSHTIC2 Number: 20047309
Int J Min Sci Technol 2016 Jan; 26(1):123-130
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Reservoir Rock Properties of Coal Measure Strata of the Lower Monongahela Group, Greene County (Southwestern Pennsylvania), from Methane Control and Production Perspectives
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Technology News 482 - Ground Support Safety Training Video
Updating the NIOSH Support Technology Optimization Program (STOP) With New Support Technologies and Additional Design Features
Page last reviewed: July 13, 2016
Page last updated: July 13, 2016
Content source: National Institute for Occupational Safety and Health, Mining Program
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