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- Hazard prevention and control:
- Noise and vibration control
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Results 41 - 50 of 61
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12/1/2007 - Peer reviewed journal articlesThis paper discusses the results of a collaboration with a local drilling company to design and install a partial cab between the operator and the drill steel in an effort to reduce the sound level at the operator station of a surface drill rig.
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10/1/2007 - Conference papersThis paper evaluates the duty cycle of a typical roof bolting machine operation at two coal mines. The results provide insight into which portion of the operators’ duty cycle is the most prominent contributor to noise exposure.
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10/1/2007 - Conference papersThis paper provides a method for predicting sound pressure levels at the operator’s position of a roof bolting machine in an underground coal mine using sound power levels determined in the laboratory.
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8/1/2007 - Technology NewsNIOSH, in partnership with stakeholders in the mining and surface drilling industries, conducted research to develop engineering controls to reduce workplace noise exposure. The result of this partnership is the development of a partial cab.
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8/1/2007 - PC software, PresentationsPartial cab information suite containing instructions for building a cab to reduce sound levels by as much as 9 dB on surface air rotary drills.This can reduce the risk of noise-induced hearing loss.
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5/1/2007 - Peer reviewed journal articlesThis paper summarizes a NIOSH investigation of engineering noise controls to reduce sound levels in cabs on air-rotary drill rigs. Results revealed that some drillers are exposed to A-weighted sound levels exceeding 85 dB even though a cab is used.
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12/1/2006 - Conference papersA highly durable polyurethane coating has been developed for chain flights to decrease noise from metal-on-metal impacts. This paper evaluates this engineering noise control in reducing the noise exposure of continuous mining machine operators.
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11/1/2006 - Information CircularsNIOSH researchers conducted a study to gather additional data to support earlier findings that NIOSH seats, with unique viscoelastic foam padding, are improved designs for coal mine shuttle cars.
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11/1/2006 - Reports of InvestigationsThis report discusses the evaluation of three types of product sizing silica sand structures: a masonry design, a steel-sided design, and an open structure design. An open structure design was superior from both a dust and noise standpoint.
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6/1/2006 - NIOSH/USBM numbered publicationsThe First American Conference on Human Vibration (ACHV) was held in Morgantown, West Virginia, June 5-7, 2006.
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Content source: National Institute for Occupational Safety and Health, Mining Program