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Retrofit Noise Control of Underground Load-haul-dump Machines.

Authors
Rubin-MN
Source
NTIS: PB/86-145810 :110 pages
Link
NIOSHTIC No.
10004956
Abstract
The primary objective of this work was to extend the noise control technology developed under earlier projects to a wider range of load- haul-dump models to evaluate the general applicability of these techniques. Noise control treatments were designed, fabricated, and installed on three load-haul-dump machines (two 2-yd3 models and one 8-yd3 model) selected as demonstration machines for this project. The machines were evaluated either in production mines or at the Bureau's Lake Lynn mine. The results indicate that it is possible to achieve overall noise reductions of between 4 and 8 db using these techniques. Engine cooling and seal design were determined to be important design issues in such treatments.
Publication Date
19840101
Document Type
CP; Final Contract Report;
Fiscal Year
1984
NTIS Accession No.
PB86-145810
NTIS Price
A07
Identifying No.
OFR 120-85
NIOSH Division
PRC;
Source Name
NTIS: PB/86-145810
Performing Organization
Lake Shore & Bbn, Inc.
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