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Shock reduction for low-coal shuttle car operators using viscoelastic seating foam.

Authors
Mayton-A; Merkel-R; Gallagher-S
Source
Society for Mining, Metallurgy, and Exploration Annual Meeting, 1998 Mar; :1-4
Link
NIOSHTIC No.
20000107
Abstract
The prolonged exposure of equipment operators to shock and whole-body vibration (WBV) is linked to cumulative back, neck, and abdominal disorders. In low-coal mines, space restrictions make seat suspensions difficult to use in isolating operators from shock and WBV. Researchers at NIOSH, Pittsburgh Research Laboratory, are responding to these issues by investigating viscoelastic foams. For the full-load case, an ergonomic seat with viscoelastic foams isolated the shuttle car operator from shock at 15Hz. Researchers used results from additional foam testing with an analytical model to identify viscoelastic foams that provide shock isolation at a frequency below 5Hz.
Keywords
Coal-mining; Mining-industry; Cumulative-trauma; Musculoskeletal-system-disorders; Underground-mining; Control-technology
Contact
NIOSH Pittsburgh Research Laboratory, P.O. Box 18070, Pittsburgh, PA 15236
Publication Date
19980311
Document Type
Conference/Symposia Proceedings
Fiscal Year
1998
NTIS Accession No.
NTIS Price
NIOSH Division
PRL
Source Name
Society for Mining, Metallurgy, and Exploration Annual Meeting, Preprint 98-44
State
PA; FL
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