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Showing: 1 to 10 of 257 matches for "narrow body backfill"  Page   1   2   3   4   5   6   7   8   9  next TITLE Determination Of In Situ Deformation Modulus For Cemented Rockfill  SUMMARY ... Cemented backfill with minus 5.08-cm (2-in) aggregate was end-dumped from an upper heading until the ... The B-Neath ore body was a narrow, downward extension ... AUTHOR Tesarik, D. R. ; Seymour, J. B. ; Jones, F. M. TITLE Selective Blast Mining In Gold Mines  SUMMARY ... RG Giirtunca3 reported that when 60% backfill is introduced, the ... less explosive energy is released in the ore body. ... to reduce ore dilution of narrow reefs, the ... AUTHOR Bock, I. PUBLISHED 1996 TITLE Telfer Underground - A Difficult Mine and the Associated Problems  SUMMARY ... for cable bolt installation as the strength of the ore body and hanging ... Slot support The narrow slot left by the pillar extraction is supported with ... BACKFILL ... PUBLISHED 1993 TITLE Cut-and-Fill Stoping at Star Mine  SUMMARY ... or untimbered) cut-and-fill using hydraulic sand backfill. ... The ore body is heavily sheared and broken on ... satisfac- tory and practical for narrow vertical veins ... AUTHOR Miner, Gordon PUBLISHED 1982 TITLE Determination of in situdeformation modulus for cemented rockfill  SUMMARY ... Cemented backfill with minus 5.08-cm (2-in) aggregate was end-dumped from an upper heading until the ... The B-Neath ore body was a narrow, downward extension ... AUTHOR Tesarik, D. R. ; Seymour, J. B. ; Jones, F. M. PUBLISHED 2003 TITLE Engineering Research And Development With Respect To J C I Backfill Operations  SUMMARY ... with the velocity differentials occurring in a narrow boundary layer between the pipewall and the plug body (see Figure 15). ... ENGINEERING R& D IN J C I BACKFILL ... AUTHOR Wingrove, A. C. PUBLISHED 1988 TITLE Mechanical Excavation Systems (In Three Parts) 1. Drill-Split Narrow-Vein And Longwall Mining  SUMMARY ... Operating cost, S/mt: Backfill .. .. ... for the narrow-vein mining method was incorporated into a mine system design for a narrow- vein ore body, and system ... AUTHOR Lombardi, John A. PUBLISHED 1994 TITLE Innovative Mechanical Excavation Mining Systems  SUMMARY ... backfill will be the lowest grade, waste fraction, of the ... cost estimate for the drill-split narrow-vein mining ... mining systems costs for the ore body are shown ... AUTHOR Lombardi, J.A. PUBLISHED 1994 TITLE Cut-and-Fill Stoping at Lucky Friday Mine  SUMMARY ... and Production Requirements The ore body contains quite ... and satisfac- tory method for narrow, crooked, steeply ... filling is hydraulic sand backfill consisting of ... AUTHOR Staff PUBLISHED 1982 TITLE Mechanized Cut-And-Fill Mining As Applied At The Homestake Mine  SUMMARY ... are used in narrow ore blocks. Development rock is moved to mined out areas for backfill and ore is trammed to extl-acion raisci. The Homestake ore body is ... AUTHOR Pfarr, J. D. PUBLISHED 1992 Showing: 1 to 10 of 257 matches for "narrow body backfill"  Page   1   2   3   4   5   6   7   8   9  next Search Again