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- Equipment, tools, and parts:
- Protective canopies
- Document types:
- Reports of Investigations
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Results 1 - 2 of 2
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1/1/1992 - Reports of InvestigationsRoof and floor contact pressure provided by the interaction of a shield with the surrounding strata are examined. Controlled forces were applied to an 800-ton two-leg shield using a mine roof simulator.
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1/1/1987 - Reports of InvestigationsThree possible limited-coverage design scenarios (roll bars, sliding canopies, and flip-top canopies) were designed, fabricated, and evaluated for low-coal shuttle cars. All three designs were determined to be feasible and desirable.
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Content source: National Institute for Occupational Safety and Health, Mining Program