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Bureau of Mines coal cutting technology facilities at the Twin Cities Research Center
Determination of bit forces encountered in hard rock cutting for application to continuous miner design
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Published Year
1980-1989 (2) *
Subject
Coal mines and mining--Research--United States (1)
Coal-cutting machinery--Testing (1)
Drag bits (Drilling and boring)--Testing (1)
Mining machinery--Design and construction (1)
Rock mechanics (1)
Author
Olson, Richard C. (2) *
Wingquist, Carl F. (2)
Demou, Sam G. (1)
Hanson, Bruce D. (1)
Roepke, Wallace W. (1)