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Showing: 1 to 10 of 332 matches for "ideal dip for underground mines"  Page   1   2   3   4   5   6   7   8   9  next TITLE Roof And Rib Hazard Assessment For Underground Stone Mines – Preprint 97-113  SUMMARY ... The ideal roof beam is massive, strong, persistent, and ... m (35 ft) wide rooms in many underground mines. ... measured or observed are: orientation, dip, and scale ... AUTHOR Iannacchione, A. T. ; Prosser, L. J. PUBLISHED 1997 TITLE Roof and rib hazard assessment for underground stone mines  SUMMARY ... Perhaps the first criti- served are: the orientation, the dip and scale (spacing) of ... The ideal roof ... Locations of underground stone mines evaluated in this ... AUTHOR Iannacchione, A. T. ; Prosser, L. J. PUBLISHED 1999 TITLE Multi-Zonal Ventilation System Using Large Diameter Bore Holes : Application To Shallow And Extensive Indian Coal Mines  SUMMARY ... ventilation problem was conside- red ideal for trial ... tvm more bore holes at dip side vmuld ... of Remote and Isolated Districts of Underground Mines Through Large ... AUTHOR Bhowmick, B. C. ; Dhar, B. B. PUBLISHED 1993 TITLE Slime-cement fill as a stope support for gold mines  SUMMARY ... there would be no necessity for an intermediate underground pumping station ... 1 was considered to be ideal. ... the back area would comprise strike and dip walls with ... AUTHOR O’Ferrall, R. C. More ; MacAulay, R. J. PUBLISHED 1978 TITLE Review of Major Geomechanics Problems in Block Caving  SUMMARY ... GEOMECHANICS APPLICATIONS, UNDERGROUND MINING ... ideal conditions, and on pieces of rock that are ... Geometry of joints ( strike , dip, spacing, and extent). ... AUTHOR Fierino, Luis A. ; Mahtab, M. Ashraf PUBLISHED 1984 TITLE Wall Movement Monitoring Using High-Resolution Target Movement Monitoring System  SUMMARY ... the ground movements both at surface and underground mines. ... set up at a steeper dip angles (35 and ... experiments were conducted under ideal laboratory conditions ... AUTHOR Apel, D. ; Moss, R. ; Watkins, S. ; Jones, T. ; Gray, B. PUBLISHED 2007 TITLE Modern Mining Methods-Underground  SUMMARY ... location of impurities or irregularities, dip (or pitch ... Underground mining methods used in modern coal mines ... coal provides less-than-ideal working conditions ... AUTHOR Schroder, John L. JR. PUBLISHED 1981 TITLE Coal Mine Methane Drainage Utilizing Multilateral Horizontal Wells  SUMMARY ... each well, a large horizontal drainage network is ideal. ... If coal seam dip is not a significant ... to efficiently remove gas ahead of underground mining operations ... AUTHOR Zupanick, Joseph A., P.E. PUBLISHED 2005 TITLE Pyrophyllite  SUMMARY ... Carolina reveals that the deposits which dip at approximately ... UNDERGROUND MINES OPEN-PIT MINES + SKIP HOIST 7 60 ... characteris- tics make it an ideal material for ... AUTHOR Chappell, Fred PUBLISHED 1960 TITLE Salt Lake Paper - Dip Chart (with Discussion)  SUMMARY ... deposit are frequently platted just as recorded underground. ... of chance for error make this method ideal. ... In connection with Howland Baneroft's Dip Chart, no ... AUTHOR Bancroft, Howland PUBLISHED 1915 Showing: 1 to 10 of 332 matches for "ideal dip for underground mines"  Page   1   2   3   4   5   6   7   8   9  next Search Again