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MULSIM/NL application and practitioner's manual
R. Karl Zipf · U.S. Dept. of the Interior, Bureau of Mines
48 sayfa · 1992
Computer simulation / Ground control (Mining) / MULSIM/NL
Explosion pressure design criteria for new seals in U.S. coal mines
R. Karl Zipf · Department of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Pittsburgh Research Laboratory
76 sayfa · 2007
Mine explosions / Prevention / Mine filling / Mine safety / Mining engineering
Compendium of structural testing data for 20-psi coal mine seals
R. Karl Zipf · Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Pittsburgh Research Laboratory
143 sayfa · 2009
Mine explosions / Safety measures / Structural dynamics / Mining / Mine safety