Search Results

Search Results for "face move"

Search Again

Organization / Society AIME (1980) NIOSH (6) SAIMM (85) SME (1050) General Jobs News Research

Showing: 1 to 10 of 3100 matches for "face move"  Page   1   2   3   4   5   6   7   8   9  next TITLE Minimizing Longwall Move Time By Using Microsoft Project  SUMMARY ... The activities and necessary resources involved in a longwall face move are identified and time to complete these activities are estimated as shown in Table 1. ... AUTHOR Ercelebi, Selamet G. ; Yavuz, Mahmut PUBLISHED 2002 TITLE Evaluation of floor heaving in galleries by numerical analysis  SUMMARY ... observed. So, this total amount of deformation will prevent the transportation of powered support units during the face move. The ... AUTHOR Yavuz, M. ; Iphar, M. ; Aksoy, M. ; Once, G. PUBLISHED 2003 TITLE Surface Subsidence, Overburden Behavior, And Structural Damages Due To Longwall Mining - Two Case Studies  SUMMARY ... During normal face advancing operation, all surface points above the moving face move toward the moving face, ie those points ahead of the moving face move ... AUTHOR Peng, S. S. ; Geng, D. Y. PUBLISHED 1984 TITLE Considerations in The Design of Longwall Mining Systems  SUMMARY ... The impact of face moves and the potential for mining wider webs are assessed. ... C2 = $ 700/ft = face conveyor costs per linear foot of face length ... AUTHOR Barczak, Thomas M. ; Goode, Claude A. PUBLISHED 1982 TITLE Series Fan Installation at Island Creek Coal Company  SUMMARY ... REFERENCES the scheduled face move in April, 1989. Without Anon., 1981, "Duct Design," ASHRAE (American the air volume increases provided by the series ... AUTHOR Ray, Richard Jr. ; Blankenship, Phil ; Johnston, David PUBLISHED 1989 TITLE Multiple Seam Mine Design  SUMMARY ... It should be noted that this is the super critical condition of mining subsidence and that a dead ground zone exists above the longwall face. Move- ment here ... AUTHOR Haycocks, C. ; Karmis, M. ; Ehgartner, B. PUBLISHED 1982 TITLE Design Parameters Of Roof Support Systems For Pre-Driven Longwall Recovery Rooms  SUMMARY ... Reduction in the recovery time required and improvements in safety during a longwall face move have compelled coal mine operators to examine and use pre-driven ... AUTHOR Tadolini, S. C. ; Barczak, T. M. PUBLISHED 2004 TITLE Movement Of Longwalls At Shoemaker Mine  SUMMARY ... The main phases of a move are: (1) Preparation of the new face; (2) Establishment of ventilation con- trols and preparing the moving route; (3) Gathering the ... AUTHOR Mack, Edward C. ; Stovash, Ronald G. PUBLISHED 1981 TITLE Underground Caving Shield Change Outs At Us Steel’s Oak Grove Mine  SUMMARY ... the caving shields. At no time during the move was the set up face waiting on shields from the change out stations. In fact, this ... AUTHOR Weyerman, B. PUBLISHED 2001 TITLE Impact Of Water Sprays On Scrubber Ventilation Effectiveness  SUMMARY ... scrubbers always operate in conjunction with symmetrical water sprays and these sprays create the turbulent action necessary to move face contaminants from the ... AUTHOR Volkwein, Jon C. ; Wellman, Travis S. PUBLISHED 1989 Showing: 1 to 10 of 3100 matches for "face move"  Page   1   2   3   4   5   6   7   8   9  next Search Again