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Showing: 1 to 10 of 274 matches for "face bursts"  Page   1   2   3   4   5   6   7   8   9  next TITLE Modeling of energy parameters ERR and TESR around burst- prone mine openings  SUMMARY ... Examples of such phenomena include crown pillar bursts in overhand cut- and-fill mining, face bursts at development headings at depth and floor bursts, which ... AUTHOR Mitri, H. S. ; Simon, R. PUBLISHED 1999 TITLE Control of coal mine bursts  SUMMARY ... The drill was positioned about 15 m (50 ft) from the face, and barricades were constructed between the drill and the coal face. Violent bursts were triggered ... AUTHOR Hammy, K. Y. ; Beckett, L. A. ; McDonnell, J. P. PUBLISHED 1987 TITLE Rock Bursts - "Swelling Ground" Contrasted with "Heavy Ground" in Mines (T. P.  SUMMARY ... residual elastic strain, may produce a small but po\verful expansion, as in rock bursts. ... I .-A specimen of newly exposed, dry gouge collected at the face of an ... AUTHOR Farmin, Rollin PUBLISHED 1946 TITLE Control of coal mine bursts - by K. Y. Haramy, J. P. McDonnell, and L. A. Beckett Technical Papers, MINING ENGINEERING, Vol. 40, No. 4 April 1988, pp. 263-267  SUMMARY Page 1. DISCUSSION Control of coal mine bursts ... However, we consider the situation safe if these symptoms occur beyond a certain distance ahead of the face. ... AUTHOR Bräuner, G. PUBLISHED 1990 TITLE Discussion – Control of coal mine bursts K. Y. Haramy, J. P. McDonnell, and L. A. Beckett Technical Papers, MINING ENGINEERING, Vol. 40, No. 4 April 1988, pp. 263-267  SUMMARY ... the situation safe if these symptoms occur beyond a certain distance ahead of the face. ... Until recently, bursts were not a major concern to the US coal mining ... AUTHOR Bräuner, G. PUBLISHED 1989 TITLE Discussion - Using Geostatistics To Predict The Characteristics Of Washed Coal - Technical Papers, Mining Engineering, Vol. 36, No. 4 April, 1984, pp. 369-373 – Armstrong, M.  SUMMARY Galloway, C., "Nonfatal Injuries from Falls of Roof, Face, or Rib (Includes Pressure Bumps or Bursts) in Underground Coal Mines, 1979, " Technical Report, Mine ... AUTHOR Barua, S. L. ; Kim, Y. C. PUBLISHED 1986 TITLE Bump Symposium Progress In Control  SUMMARY ... Such bursts sometimes throw heavy machinery sev- eral feet. ... Bumps are classified as to their nature, extent of damage, and point of occurrence, e. g., face bump ... PUBLISHED 1958 TITLE Results of prediction of rock bursts and rock mass deformations by the microgravity method  SUMMARY ... can supply existing mining and geo- physical methods for predicting rock bursts in under ... 30, 1980, the date of the longwall face location 5. Markings of the ... AUTHOR Fajklewicz, Z. ; Jakiel, K. ; Ostrowski, C. PUBLISHED 1987 TITLE Coal - Coal Mine Bump Symposium: Introduction  SUMMARY ... Such bursts sometimes throw heavy machinery sev- eral feet. ... Bumps are classified as to their nature, extent of damage, and point of occurrence, e. g., face bump ... PUBLISHED 1959 TITLE Strata Control Practices In The Upper Silesian Coal Basin  SUMMARY ... the seams which are liable to rock bursts as well as the estimated changes in rock burst hazard as the mining activity proceeds. Mines, which face rock burst ... AUTHOR Hladysz, Zbigniew PUBLISHED 1982 Showing: 1 to 10 of 274 matches for "face bursts"  Page   1   2   3   4   5   6   7   8   9  next Search Again