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Results 41 - 50 of 70
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2/1/2006 - Book chaptersExperience has shown that many ergonomic techniques used to analyze or design standing or sitting work stations often do not adapt well to situations where a restricted posture is adopted. However, recent years have seen an increase in research examinin...
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2/1/2005 - Conference papersOne focus of ground control research at NIOSH is to incorporate data on weak rock masses into existing design relationships, with an emphasis on updating the span design curve for manned entries and the overbreak curve for longhole entries. Both curves ...
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1/1/2005 - Peer reviewed journal articlesThis paper argues that workers who adopt unusual or restricted postures appear to be at higher risk of musculoskeletal complaints and often exhibit reduced strength and lifting capacity.
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8/1/2004 - Conference papersAverage UCS may differ between coreholes but not be statistically significant, and widely spaced coreholes may be able to identify valid spatial trends in rock strength. The paper describes NIOSH's extensive investigation into these issues.
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10/1/2003 - Peer reviewed journal articlesThis article introduces a one-page checklist for evaluating cab design of construction equipment.
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2/1/2003 - Conference papersThis paper discusses roof monitoring, roof movement, the large roof fall, propagation of roof failures, and the recent support measures to stabilize the escapeway over a portion of the older limestone mine workings at the NIOSH Lake Lynn Laboratory.
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8/1/2002 - Conference papersMining is now using surprisingly complex programmable electronic (PE) systems. NIOSH is conducting research to develop a quantitative complexity assessment methodology which will help realize simpler, safer systems; easier to validate and verify.
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8/1/2002 - Conference papersTwo examples of an echelon mining-induced fractures seen in hard-rock mines provided a basis for inferring that fracture zones and bedding plane sap rations immediately surrounding mine openings are promoted by oblique shear into the openings.
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7/1/2001 - Peer reviewed journal articlesThe objective of this study was to systematically characterize the ergonomic hazards associated with excavating operations.
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7/1/2001 - Conference papersInstrumented cable bolts were used in conjunction with existing ground control to monitor rock mass loads at various field sites. By monitoring rock mass load and displacement, more effective ground support can be selected and installed.
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Content source: National Institute for Occupational Safety and Health, Mining Program