3D numerical modeling of longwall mining with top-coal caving

International Journal of Rock Mechanics and Mining Sciences

Volumn 42, Issue 2, 2005, Pages 219-235

  Yasitli, N E ^a   Unver, B ^a  

^a HACETTEPE UNIVERSITY   (Turkey)

Author keywords

[No Author keywords available]

Indexed keywords

BLASTING; COAL MINES; FRACTURE MECHANICS; MATHEMATICAL MODELS; OPTIMIZATION; ROCKS; STRESS ANALYSIS;

ABUTMENTS; GROUND BEHAVIOR; THICK-COAL SEAMS; TOP-COAL CAVING;

LONGWALL MINING;

CAVING; COAL MINING; LONGWALL MINING; ROCK MECHANICS; THREE-DIMENSIONAL MODELING;

EID: 12344300534     PISSN: 13651609     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijrmms.2004.08.007     Document Type: Article

References (34)

1. R. Singh Mining methods to overcome geotechnical problems during underground working of thick coal seams-case studies Trans Inst Min Metall (Sec A: Min Indus) 108 1999 A121-A131
2. Atkinson T. Thick, steep and irregular coal seam mining. The Min Eng 1979;421-41.
3. S. Senkal H. Kose N. Ermisoglu A study on coal losses and dilution problems in the mining method applied at GLI Tuncbilek Colliery Madencilik, Bull Chamber Min Eng Turkey 27 4 1988 5-11 (in Turkish with English abstract)
4. Schweitzer R. Thick seam winning methods in French coal mines. Proceedings of the international symposium on thick seam mining, Dhanbad, India, 1977, paper no. 3.
5. Ahcan R. Mechanization and concentration of thick coal seams mining in SFR Yugoslavia. Proceedings of the international symposium on thick seam mining, Dhanbad, India, 1977, paper no. 4.
6. Garg PC, Nath PD. Choice of methods for mining thick coal seams in India. Proceedings of the international symposium on thick seam mining, Dhanbad, India, 1977, paper no. 10.
7. Yasitli NE. Numerical modeling of longwall with top coal caving. M.Sc. thesis, Hacettepe University, Ankara, 2002. p. 148 (in Turkish).
8. Unver B, Yasitli NE. Simulation of sublevel caving method used in thick coal seam by computer. Hacettepe University Scientific Research Unit, Project no: 00 02 602 008, 2002. p. 148 (in Turkish).
9. J. Tien Longwall caving in thick seams Coal Age 103 4 1998 52-61
10. M.L. Jeremic Strata mechanics in coal mining 1985 A.A. Balkema Rotterdam p. 556
11. S.N. Jha S. Karmakar Thick seam mining-some experience and exaltation In: T.N. Singh B.B. Dhar editors Proceedings of the international symposium on thick seam mining 1992 Central Mining Research Station India, Dhanbad 191-202
12. T.N. Singh A. Kushwaha R. Singh R. Singh Strata behaviour during slicing of thick seam at East Katras Colliery In: T.N. Singh B.B. Dhar editors Proceedings of the international symposium on thick seam mining 1992 Central Mining Research Station Dhanbad, India 237-250
13. C. Dian The state of the art and future of China thick seam mining technology In: T.N. Singh B.B. Dhar editors Proceedings of the international symposium on thick seam mining 1992 Central Mining Research Station Dhanbad, India 171-182
14. Wu J. The movement regularity of the roof coal around a longwall with caving and its coal recovery. Proceedings of the international symposium on fully mechanized mining technology for high output and efficiency. 1992.p. 307-18.
15. N. Destanoglu F.B. Taskin M. Tastepe S. Ogretmen Application of GLI Tuncbilek-Omerler underground mechanization 2000 Kozan Publishing, Ankara Ankara p. 211. (in Turkish)
16. Taskin FB. Optimum dimensioning of pillars between longwall panels in Tuncbilek Mine, PhD thesis, Osmangazi University, Eskisehir, 1999. p. 149 (in Turkish).
17. Yasitli NE, Unver B. 3D estimation of stresses around a longwall face by using finite difference method. 18th international mining congress of Turkey, Antalya, 2003. p. 83-8.
18. Kvapil R. Sublevel caving. SME mining engineering handbook. 1992.p. 1789-814.
19. Unver B. A practical approach to strata control and caving mechanism in thick seam mining. 14th mining congress of Turkey, Ankara, 1995.p. 15-22 (in Turkish).
20. R. Kvapil The mechanics and design of sublevel caving systems In: R.E. Gertsch R.L. Bullock editors Techniques in underground mining 1998 Littleton, USA SME Inc 621-654
21. P. Julin R. Kvapil Caving methods In: W.A. Hustrulid editor Underground mining methods handbook 1982 Society of Mining Engineers of The American New York 871-893
22. 3D, version. 2.0 1997 Itasca Consulting Group Inc. Minnesota
23. E. Hoek E.T. Brown Practical estimates of rock mass strength Int J Rock Mech Min Sci 34 8 1997 1165-1186
24. Z.T. Bieniawski. Engineering classification of jointed rock masses Trans S Afr Inst Civ Eng 15 1973 335-344
25. Z.T. Bieniawski. Engineering rock mass classifications, a complete manual for engineers and geologists in mining, civil and petroleum engineering 1989 Wiley New York 251pp
26. E. Hoek Strength of rock and rock masses ISRM News J 2 2 1995 4-16
27. Sonmez H. Investigation on the applicability of the Hoek-Brown criteria to the failure of fissured clays. PhD thesis, Hacettepe University, Ankara, 2001. p. 215 (in Turkish).
28. H. Sonmez R. Ulusay Modifications to the Geological Strength Index (GSI) and their applicability to stability of slopes Int J Rock Mech Min Sci 36 6 1999 743-760
29. H. Xie Z. Chen J. Wang Three-dimensional numerical analysis of deformation and failure during top coal caving Int J Rock Mech Min Sci 36 6 1999 651-658
30. Kose H, Cebi Y. Investigation the stresses forming during production of thick coal seam. 6th coal congress of Turkey, Zonguldak, 1988. p. 371-83 (in Turkish with English abstract).
31. Yavuz H, Fowell RJ. Softening effect of coal on the design of yield pillars. In FLAC and numerical modelling in geomechanics. In: Lyon, France D, Billaux et al, editors. Proceedings of the 2nd international FLAC conference. Lisse, A.A. Balkema, 2001. p. 313-20.
32. R. Singh P.K. Mandal A.K. Singh T.N. Singh Cable-bolting-based semi-mechanised depillaring of a thick-coal seam Int J Rock Mech Min Sci 38 2001 245-257
33. Sheorey PR. Design of coal pillar arrays and chain pillars. Comprehensive rock engineering. vol. 2. Oxford: Pergamon Press; 1993.
34. A.H. Wilson Pillar stability in longwall mining In: Y.P. Chugh M. Karmis editors State of the Art of Ground Control in Longwall Mining Science 1982 New York SME 85-95