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The development of a damped drill steel to reduce roof bolting machine drilling noise.

Authors
Peterson-JS; Camargo-H
Source
NOISE-CON 2010: Proceedings of the 2010 National Conference on Noise Control Engineering and 159th Meeting of the Acoustical Society of America, Baltimore, Maryland, April 19-21, 2010. Burroughs CB; Maling G; eds., Indianapolis, IN: Institute of Noise Control Engineering of the USA, Paper No. NC 10-159, 2010 Apr; :1-11
Link
NIOSHTIC No.
20036772
Abstract
Among underground coal miners, hearing loss remains one of the most common occupational illnesses. In response, the National Institute for Occupational Safety and Health (NIOSH) conducts research to reduce the noise emission of underground coal mining equipment, an example of which is a roof bolting machine. Field studies support the premise that, on average, drilling noise is the loudest sound level to which a roof bolting machine operator would be exposed and contributes significantly to the operators' noise exposure. NIOSH has determined that the drill steel radiates a significant amount of noise during drilling and has conducted research to evaluate a damped drill steel to reduce noise radiation. The paper documents the research to date of this damped drill steel. Laboratory testing confirms that the concept of a damped drill steel would reduce sound levels generated during drilling, and by extension, operator noise dose exposure.
Keywords
Coal-miners; Coal-mining; Coal-processing; Coal-workers; Engineering-controls; Equipment-operators; Exposure-assessment; Exposure-levels; Exposure-methods; Hearing; Hearing-loss; Machine-operators; Mining-industry; Noise; Noise-control; Noise-induced-hearing-loss; Noise-levels; Noise-measurement; Noise-sources; Occupational-exposure; Sound-attenuation; Statistical-analysis; Underground-miners; Underground-mining; Work-environment; Work-operations; Work-performance; Work-practices
Contact
J. Shawn Peterson or Hugo Camargo, NIOSH/OMSHR, PO Box 18070, Pittsburgh, PA 15236
Publication Date
20100419
Document Type
Conference/Symposia Proceedings
Email Address
JPeterson@cdc.gov; HCarmargo@cdc.gov
Editors
Burroughs-CB; Maling-G
Fiscal Year
2010
NTIS Accession No.
NTIS Price
NIOSH Division
OMSHR
Priority Area
Mining
Source Name
NOISE-CON 2010: Proceedings of the 2010 National Conference on Noise Control Engineering and 159th Meeting of the Acoustical Society of America, Baltimore, Maryland, April 19-21, 2010
State
PA; MD; IN
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