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Showing: 1 to 10 of 2420 matches for "gate road section"  Page   1   2   3   4   5   6   7   8   9  next TITLE Evaluation of an Alternative Longwall Gate Road Design  SUMMARY ... 2t!Second longwall panel" refers to the second longwall face to mine past the gate road section, not necessarily "panel 2." Similarly, "first- panel" mining ... AUTHOR McDonnell, John P. PUBLISHED 2010 TITLE The Critical Pillar Concept In Yield Pillar-Based Longwall Gate Road Design  SUMMARY ... this point in the mining cycle; however, observations taken in the gate road at this ... intact as evidenced by the very high loads on the remaining cross section. ... AUTHOR Koehler, J.R. PUBLISHED 1995 TITLE Identifying And Sustaining Best Practices Through Time Studies By Foremen  SUMMARY ... PROCESS IMPROVEMENT INITIATIVE (CMPII) OVERVIEW Arch Western Bituminous Group Skyline Mine • One CM section • 2 entry gate-road development • Schedule ... AUTHOR Hilton, C. PUBLISHED 2010 TITLE Flexible Support Design For Gateroads Of Retreating Longwall Panels  SUMMARY ... A total of 250 meters section of the gate road is currently under investigation, including a 50meter-long roadway supported by yielding steel nbs only. ... AUTHOR Unal, Erdal PUBLISHED 1993 TITLE A Case Study Of Grouted Roof Bolt Loading In A Two-Entry Gate Road  SUMMARY ... sagmeters were installed in the roadway of a two-entry gate road to measure load changes and roof movements. Readings were taken during section development and ... AUTHOR Signer, Stephen P. PUBLISHED 1990 TITLE Study Of Ventilation Of Longwall Coal Face By Model - Introduction  SUMMARY ... face, the cross section of the face.and the gate roadway,respectively. As shown in Figs.1 and 2, the face model used consists of an intake and return road- way ... AUTHOR Uchino, K. PUBLISHED 1980 TITLE Rapid Roadheading With Heading Machines  SUMMARY ... Excavated cross section Width of the gate road Height of the road Proportion of country rock Mean rate of advance hlaximum rate of advance Mean OMS in drifting ... AUTHOR Mertens, Dipl.-Ing. PUBLISHED 1970 TITLE Analysis Of Multiple-Seam Interaction In A Bump-Prone Western Coal Mine Using MULSIM/PC  SUMMARY ... The second examined the 2nd-left gate road development section situated between locations 1 and 2 and the mining of the Cottonwood 3rd-left panel under several ... AUTHOR Donato, D. A. PUBLISHED 1996 TITLE The Measurement and Control of Dilution in an Underground Coal Operation  SUMMARY ... include the detailed dilution measurements along the CM-mined gate-road developments, and ... A typical recording sheet for a longwall section is illustrated in ... PUBLISHED 2003 TITLE The extraction of barrier pillars between adjacent longwall panels at The Durban Navigation Collieries (Pty) Ltd  SUMMARY ... are installed immediately behind the gate chocks as the gate road is retreated. ... is used as a transport and access road to the tailgate side of the section. ... AUTHOR Smith, A. PUBLISHED 1985 Showing: 1 to 10 of 2420 matches for "gate road section"  Page   1   2   3   4   5   6   7   8   9  next Search Again