Modify Selection
- Hazards and exposures:
- Noise
- Document types:
- Conference papers
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Results 1 - 10 of 25
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12/1/2006 - Conference papersThis paper presents a method using a ray-tracing technique to determine absorption coefficients for underground mines. Absorption coefficients are determined and presented for octave bands from 63 Hz to 8 kHz.
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4/1/2010 - Conference papersThis paper presents an acoustic assessment of pneumatic and electric jackleg drills involving Noise Source Identification (NSID), penetration rate measurements, operator’s cumulative noise dose measurements, and determination of sound power levels.
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4/1/2010 - Conference papersThis article presents the most significant findings from NIOSH research to develop noise controls that reduce the sound at the operator’s position of mining machinery.
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4/1/2010 - Conference papersThe paper documents NIOSH research to date of a damped drill steel on a roof bolting machine.
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2/1/2010 - Conference papersNIOSH has developed several new hearing loss prevention tools and interventions that specifically target behavioral and attitudinal barriers that keep miners from effectively acting to prevent their own hearing loss.
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11/1/2009 - Conference papersNIOSH is developing bit and chuck isolators to reduce vibration, and thus noise radiation of the drill steel, with the longer-term goal of reducing roof bolting machine operator noise exposure.
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11/1/2009 - Conference papersThis paper describes NIOSH research to develop noise controls for mining equipment whose operators exceed the Permissible Exposure Level (PEL). Two alternative approaches are explored to the conventional beamforming algorithm.
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11/1/2009 - Conference papersFor horizontal vibrating screens, NIOSH testing indicates that the screen sides and feed box are dominant noise sources for the 250 Hz through 800 Hz one-third octave bands, while the electric motor is the most significant source for the 1 kHz band.
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10/1/2008 - Conference papersThis paper describes research to control dominant noise sources in continuous miners. This work ranks noise radiated by different conveyor sections and determines the effect of a urethane-coated tail roller on the noise radiated by the tail section.
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7/1/2008 - Conference papersIssues related to testing the performance of sound restoration hearing protectors are outlined within this paper, and possible solutions are discussed.
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Content source: National Institute for Occupational Safety and Health, Mining Program