Aerostatic Support System For Underground Coal Mines

Morrell, R. J.
Organization: International Conference on Ground Control in Mining
Pages: 12
Publication Date: Jan 1, 1988
Email to a Friend Abstract
The Bureau of Mines developed a ground support system for use with an underground coal auger. The system consists of inflatable airbags that are inserted in the holes as they are drilled, and then gradually deflated to provide controlled roof caving. This paper presents results of laboratory and field tests of the system that show it to be technically feasible.
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