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Showing: 1 to 10 of 586 matches for "yield pillar design"  Page   1   2   3   4   5   6   7   8   9  next TITLE Yield Pillar Design At Depth Based On Review Of Case Histories  SUMMARY ... YIELD PILLAR DESIGN ... Preprint 03-110 YIELD PILLAR DESIGN AT DEPTH BASED ON REVIEW OF CASE HISTORIES AP Schissler S. Badr MDG Salamon U. Ozbay Colorado Schl. ... AUTHOR Schissler, A. P. ; Badr, S. ; Salamon, M. D. G. ; Ozbay, U. PUBLISHED 2003 TITLE Total Yield Pillar Longwall Development-Experimental Results, No. 4 Mine, Brookwood, Alabama  SUMMARY ... assessment of the mining system. Data illustrate that the total yield pillar gate section design at No. 4 mine is presently comparable ... AUTHOR Gauna, M. ; Martin, E. ; Price, K. R. PUBLISHED 1986 TITLE Numerical simulation of yield pillar behavior with creep material model  SUMMARY ... control and have improved the design of yield pillar systems ... The k current practice of yield pillar design is still largely a trial-and- ... AUTHOR Chen, G. ; Sun, C. PUBLISHED 2000 TITLE Numerical Simulation Of Yield Pillar Behavior With Creep Material Model  SUMMARY ... ground control. The currently practice of yield pillar design is still largely a trial-and-error procedure. Continued efforts are ... AUTHOR Chen, G. ; Sun, C. PUBLISHED 1999 TITLE Stress control methods help to optimize underground mine design  SUMMARY ... envelopes Formation of a protective stress enve- lope around groups of mine openings is induced by regulating the design parameters of yield pillar size, room ... AUTHOR Serata, Shosie ; Lawshe, Mark PUBLISHED 1989 TITLE Use of the Pressure Arch in Mine Design at White Pine  SUMMARY ... enough to yield, or no arch will form. 4) Load was tranferred to abutment pillars. 5) Distribution of load could be arranged through design of pillar stiffness ... AUTHOR Barrientos, Gonzalo ; Parker, Jack PUBLISHED 1975 TITLE Discussion – Engineering to Reduce the Cost of Roof Support in a Coal Mine …- Mining Engineering, Vol. 43, No. 8 pp.1062-1065 – Khair, A. W. and Peng, S. S.  SUMMARY ... alleviated. Therefore, we believe entry-roof enforcement, rather than relaxation by a yield-pillar design, is the correct approach. To ... AUTHOR Serata, S. PUBLISHED 1992 TITLE Engineering To Reduce The Cost Of Roof Support In A Coal Mine Experiencing Complex Ground Control Problems  SUMMARY ... Furthermore,due tothe high1 y laminated condition of the roof stmta, yield pillar design was found to be ineffective concerning stability ofentries. ... AUTHOR Khair, A. W. ; Peng, S. S. PUBLISHED 1992 TITLE Discussion - Engineering To Reduce The Cost Of Roof Support In A Coal Mine Experiencing Complex Ground Control Problems - Khair, A. W., Peng, S. S.  SUMMARY ... alleviated. Therefore, we believe entry-roof enforcement, rather than relaxation by a yield-pillar design, is the correct approach. To ... AUTHOR Serata, S. ; Fuenkajorn , K. PUBLISHED 1993 TITLE Prefailure Pillar Yielding  SUMMARY ... design and application of yield pillars must in- clude test mining and long-term instrumentation to ac- cess yielding and stability. Although a yield pillar is ... AUTHOR Agapito, J. F. T. ; Goodrich, R. R. PUBLISHED 2003 Showing: 1 to 10 of 586 matches for "yield pillar design"  Page   1   2   3   4   5   6   7   8   9  next Search Again