000			03967cam a2200301 a 4500
001			3786587
003			OSt
005			20231025152105.0
008			840517s1985 enka b 001 0 eng
010			_a 84011160
020			_a9789401165037
020			_a9789400165013
040			_aBUL _cBUL _dBUL _bENG _eRDA
082	0	0	_a624.15132 _222 _bBRA
100	1		_aBrady, B. H. G. _q(Barry H. G.)
245	1	0	_aRock mechanics for underground mining / _cB.H.G. Brady, E.T. Brown.
250			_a1st edition
260			_aLondon ; _aBoston : _bGeorge Allen & Unwin publisher Ltd , _cc1985.
300			_axvii, 527 p. : _bill. ; _c25 cm.
500			_a1. Rock mechanics and mining engineering 1.1 General concepts 1.2 Inherent complexities in rock mechanics 1.3 Underground mining etc 2. Stress and infinitesimal strain 2.1 Problem definition 2.2 Force and stress 2.3 Stress transformation etc 3 .Rock mass structure 3.1 Introduction 3.2 Major types of structural features 3.3 Important geo mechanical properties of discontinuities etc 4. Rock strength and deformability 4.1 Introduction 4.2 Concepts and definitions 4.3 Behavior of isotropic rock material in uniaxial compression etc 5. Pre-mining state of stress 5.1 Specification of the pre-mining state of stress 5.2 Factor influencing the in-site state of stress 5.3 Method in-site stress determination etc 6. Method od stress analysis 6.1 Predictive methods for mine design 6.2 Principles of classical stress analysis 6.3Clsod form solution fro simple excavation shapes etc 7. Excavation design in massive elastic rock 7.1 General design methodology 7.2 Zone of influence of an excavation 7.3 Effect of planes of weakness on elastic stress distribution etc 8. Excavation design in stratified rock 8.1 Design factors 8.2 Rock mass response to mining 8.3 Roof bed deformation mechanics etc 9. Excavation design in jointed rock 9.1 Design factors 9.2 Identification of potential failure modes 9.3 Symmetric triangular roof prism etc 10. Energy change accompanying underground mining 10.1 Mechanical relevance of energy changes 10.2 Mining consequences of energy changes 10.3 Spherical cavity in a hydrosatic stress field etc 11. Rock support and reinforcement 11.1 Terminologies 11.2 Support and reinforcement principles 11.3 Rock- support interaction analysis etc 12. Mining methods and method selection 12.1 Mining excavation 12.2Rock mass response to stopping activity 12.3 Ore body properties influencing mining method etc 13. Naturally supported mining methods 13.1 Components of a supported mine structure 13.2 Field observation of piller performance 13.3 Tributary area analysis of pillar support etc 14. Artificial supported mining method 14.1 Techniques of artificial support 14.2 Backfill properties and placements 14.3 Cut and fill stopping etc 15. Long wall and caving mining method 15.1 Classification of longwall and craving mining method 15.2 Long wall mining in hard rock 15.3 Long wall coal mining etc 16. Mining induced surface subsidence 16.1 Types and effects of mining induced subsidies 16.2 Chimney caving 16.3 Sinkholes in carbonate rocks etc 17. Blasting mechanics 17.1 Blasting processes in underground mining 17.2 Explosives 17.3 Energy transmission in rock etc 18. Monitoring rock mass performance 18.1 The purpose and nature of monitoring rock mass performance 18.2 Monitoring systems 18.3 Examples of monitoring rock mass performance etc
504			_aBibliography: p 507-519 . _ Index : p 520-527
650		0	_aRock mechanics.
650		0	_aMining engineering.
700	1		_aBrown, E. T. _q(Edwin T.),
906			_a7 _bcbc _corignew _d1 _eocip _f19 _gy-gencatlg
942			_2ddc _cBOOK-CA _h624.15132 _i1 _kBRA _m624.15132 BRA _e1st edition
999			_c752 _d752