Evaluation of Explosion-resistant Seals, Stoppings, and Overcast for Ventilation Control in Underground Coal Mining by National Institute for Occupational Safe, Kenneth L. Cashdollar, Michael J. Sapko

Evaluation of Explosion-resistant Seals, Stoppings, and Overcast for Ventilation Control in Underground Coal Mining

National Institute for Occupational Safe, Kenneth L. Cashdollar, Michael J. Sapko

56 pages missing pub info (editions)

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Description

This report discusses the construction techniques, testing methods, and explosion test data collected for the pumpable cementitious seals; the seal, stopping, and overcast designs for the Australian program; and the Packsetter preloaded solid-conc...

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