Laboratory and numerical investigation into the characteristics of rock fragmentation

Minerals Engineering

Volumn 19, Issue 14, 2006, Pages 1418-1429

  Whittles, D N ^a   Kingman, S ^a   Lowndes, I ^a   Jackson, K ^a  

^a UNIVERSITY OF NOTTINGHAM   (United Kingdom)

Author keywords

Crushing; Discrete element modelling; Process optimisation

Indexed keywords

COMPACTION; CRUSHERS; ENERGY UTILIZATION; FINITE DIFFERENCE METHOD; OPTIMIZATION; STRAIN RATE; THROUGHPUT;

DOWNSTREAM PERFORMANCE; IMPACT ENERGY; PROCESS OPTIMISATION; ROCK FRAGMENTATION;

ROCKS;

EID: 33750292099     PISSN: 08926875     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.mineng.2006.02.004     Document Type: Article

References (31)

1. Brace W.F., and Byerlee J.D. Recent experimental studies of brittle fracture of rocks, failure and breakage of rock. In: Fairhurst C. (Ed). Eighth Symposium on Rock Mechanics (1967), Am. Inst. Min. Met. & Petrol. Engrs. 58-81
2. Couroyer C., Ning Z., and Ghadiri M. Distinct element analysis of bulk crushing effect of particle properties and loading rate. Powder Technology 109 (2000) 241-254
3. Cundall P.A. A discontinuous future for numerical modelling in geomechanics?. Geotechnical Engineering 149 1 (2001) 41-47
4. Cundall P.A., and Strack O.D.L. A discrete numerical model for granular assemblies. Geotechnique 29 1 (1979) 47-65
5. Fuerstenau D.W., and Abouzeid A.Z.M. The energy efficiency of ball milling in comminution. International Journal of Mineral Processing 67 (2002) 161-185
6. Grady D.E., and Kipp M.E. Dynamic Rock Fragmentation, Fracture Mechanics of Rock (1987), Academic Press, Inc. (London) Ltd., London pp. 429-475 (Chapter 10)
7. Harireche O., and McDowell G.R. Discrete element modelling of cyclic loading of crushable aggregate. Granular Matter 5 3 (2003) 147-157
8. Herbst J.A., and Potapove A.V. Making a discrete grain breakage model practical for comminution equipment performance simulation. Powder Technology 143-144 (2004) 144-150
9. Hoek E., and Brown E.T. Underground Excavations in Rock (1980), Institution of Mining and Metallurgy, London
10. Holt R.M., Kjolaas J., Larsen I., Li L., Gotusso Pllitteri A., and Sonstebo E.F. Comparison between controlled laboratory experiments and discrete simulations of the mechanical behaviour of rock. International Journal of Rock Mechanics and Mining Sciences 42 7-8 (2005) 985-995
11. International Standards for Rock Mechanics (ISRM). In: Brown E.T. (Ed). Rock Characterisation, Testing and Monitoring: ISRM Suggested Methods (1981), Pergamon Press, Oxford
12. 3D Version 3.0, Minneapolis.
13. 3D (Particle Flow Code in 3 dimensions) Version 3.0, Minneapolis.
14. Jackson, K., 1999. The development of a database of rock properties to assist in the design and development of a crushing plant. Ph.D. Thesis, University of Nottingham.
15. JK-Tech Pty Ltd. JK Tech Drop Weight Test Device, Operation Manual (1995), JK Tech Pty Ltd., Indooroopilly, Qld
16. Kipp M.E., Grady D.E., and Chen E.P. Strain rate dependent fracture initiation. International Journal of Fracture 16 (1980) 471 478
17. Kou S.Q., Liu H.Y., Lindquist P.-A., Tang C.A., and Xu X.H. Numerical investigation of particle breakage as applied to mechanical crushing-Part II: inter-particle breakage. International Journal of Rock Mechanics and Mining Sciences 38 8 (2001) 1163-1172
18. Krogh S.R. Crushing characteristics. Powder Technology 27 (1980) 171-181
19. Napier-Munn T.J., Morrell S., Morrison R.D., and Kojovic T. Mineral Comminution Circuits: their Operation and Optimisation (1996), Julius Kruttschnitt Mineral Research Centre, Brisbane
20. Potyondy D.O., and Cundall P.A. A bonded-particle model for rock. International Journal of Rock Mechanics and Mining Sciences 41 8 (2004) 1329-1364
21. Potapov A.V., and Campbell C.S. Computer simulation of impact-induced particle breakage. Powder Technology 81 (1994) 207-216
22. Reddish D.J., Stace L.R., Vanichkobchinda P., and Whittles D.N. Numerical simulation of the dynamic impact breakage testing of rock. International Journal of Rock Mechanics and Mining Sciences 42 2 (2005) 167-176
23. Sangha C.M., and Dhir R.K. Influence of time on the strength, deformation and fracture properties of a lower Devonian Sandstone. International Journal Rock Mechanics and Mining Science 9 (1972) 343-354
24. Tang C.A., Xu X.H., Kou S.Q., Lindquist P.-A., and Liu H.Y. Numerical investigation of particle breakage as applied to mechanical crushing-Part I: single particle breakage. International Journal of Rock Mechanics and Mining Sciences 38 8 (2001) 1147-1162
25. Tavares L.M. Optimum routes for particle breakage by impact. Powder Technology 142 (2004) 81-91
26. Tavares L.M. Particle weakening in the high pressure roll grinding. Minerals Engineering 18 (2005) 651-657
27. Tavares L.M., and King R.P. Single particle fracture under impact loading. International Journal of Mineral Processing 54 (1998) 1-20
28. Vanichkobchinda, P., 2004. Numerical simulation of the dynamic impact breakage testing of rock. Ph.D. Thesis, University of Nottingham.
29. Whittaker B.N., Singh R.N., and Sun G. Rock Fracture Mechanics: Principles, Design and Applications (1992), Elsevier, Amsterdam
30. Whittles, D.N., in preparation. Development of a numerical method of simulating rock fragmentation in a drop weight test.
31. Yashima S., Kanda Y., Saito F., Sasaki T., Iijima M., and Hashimoto H. Mechanical properties of brittle materials and their single fracture under dynamic loading. Science Reports-Research Institutes Tohoku University Series A 31 2 (1983) 254-269