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Development of post pillar mining at Falconbridge Nickel Mines Ltd.
12A
91 SCHULTZ, WG Automated continuous mining at Sylvite.-Casestudy of operations, methods and machines at a POtash mine. lOF. CAN. INST.MIN. METALL. BULL.V66, N73~, 1973, P98-107. 92 WRIGHT, FL MCINTYRE PORCUPINE MINEs, AUm~TA, CDN Layout of continuous miner operations in the Smoky river mlnes.-History of coal mining operations, mine design, e~uipment, support systems, and current programmes for improvement of production and standards.3F. CAN. INST.MIN.METALL.BULL.V66, NV31,1973, P167-171.
ANONYMOUS Mount Isa. Underground mining, cut and fill stopi~g and stope filling;-Description of operations and equipment used. AUSTRAL. MIN.V65, N2,1973, PIg- 22,33-3;~.
In-situ stresses in ~round and stress around underground openings HANDY, RL KLOCKOW, DE FERGUSON, EG Portable borehole shear streng%}~ tester for co~l. -Development of apparatus for the rapid evaluation of cohesive and frictional strength of coal in-situ is reported. 25F. U$ BUR.MINES, OPEN FILE REPO~,OFR 43-73,1973,82P.
99 MRAZ, DZ INT. MIN. CHE.M.CORP. SASKATCHEWAN, CDN Behavlo~ of rooms and pillars in deep potash mines. 14F, 6R. CAN. INST. MIN.METALL. BULL. V66, N735,1973, P60-65. The conditions in deep salt strata can be considered as near hydrostatic. The l~-essure field and creep around t h e single opening is a function of its sha~e size and age. The same factors, together with extraction, determine the behavlour of the m i n i ~ ~tl~ea.
ANONYMOUS Mining operations at Broken Hill. The Zinc Corporation Ltd. and New Broken Hill Consolidated Ltd. AUSTRAL.MIN.V65, N6,1973, P15-33.
Tunnels 95 ANONYMOUS Alluvial tunnelling machine for fast advance at i ~ cost.-Brief note on British machine being used for driving a section of Londons new underground railway. CAN. INST. MIN. METALL.BULL.V66, N731,1973, P182.
Power plants
i00 SINGHAL, RK Determination of rock stress in evaporites. ~5F,93~ AU&Z~AL.MIN.V65, N6,1973, P40-46. The author reviews some techniques of rock stress measurement, stress-relief methods, borehole overcoring, flat Jack tests, photoelastic discs and strain cells, and then describes his own work relating to the measurement of stress in evaporltes.
Surface subsidence and caving See also abstract: 138. it~i
~IT~AKER, BN UNIV. NO~fI NGH~M, GB FOR~ESTER, I17 UNTV. NOTTINGHAM, GB Measurement of gro~qd strain and tilt arising from mining subsider~,e. In Field l~m~trumentation in Ge~techoEr4~ng.lh-oc. Symyosium I~S, May 1973. 9~',3R.
B~I_~m~m~PHS, LONDON, ~973. Pt~37-~47 SEDDON, BT BINNIE AND PARTNERS, LONDON, GB Rock investigations for Camlough underground power station. In Field Instrumentation in Geotech.Engng. Prec. Symposium BOS, Ma~ 1973. 5F,$T,$R. B~PA'~WORTHS, LO~X)N, 1973, P370- 381. Investigations in the site area of a proposed underground power station are reported. 12 exploratory holes were drilled and values for the directions and magnitudes of the principal stresses of the In-situ stress field were obtained from tests with a trlaxial rock stress measuring cell. Flat-Jack tests were carried out to yield the following information elastic constants, s t r e r ~ constants, arzl maximum principal stress. Finite e l ~ n t analysis was used to calculate the stress distribution around the excavation. Data frOm the tests used are presented.
97 SINGHOrA, JS HYDEL DESIGNS, CHANDIGARH, I ND SINGH, A HYDEL DESIGNS,C ~ I G A R H , IND Foumdatlon analysis of a surface powerhouse. 7F,6R. WATER POW~,%"25,E~, 1973,P153-150. The stability ar~ resistar~e of the foundation subgr~le, ineludir~ its settlement under imposed loads, is first determined, and is them verified for the effect of vibration due to the powerhouse eqnil~nent. The results of settlement analysis, dynamic analysis, and the mthematleal techniques used are given.
Temporary and permanent supports lee 'also abstract: i~7i. 102 C~,RS FALCON~BRIDGENIUIC..~ MINES LTD.OiVf.CDN SINGH, KH FALCONBRIDGE NICKEL MINES LTD.ONP.CDN Development of post pillar mining at Falconbri~e Nickel Mines Ltd. 13F. 7R. CANJ INST.MIN.METALL. BULL.v66~ N732,1913, P5 ~-64. The introduction" of post pillar mining at the 8trathcons mine represents a n_~w approach to ground support in cuba-and-fill applications. The method has also shown significant econOmic advantages. It is believed that the development of this concept is one of the few examples ~here rock mechardcs principles have successfully been applied in the development of a stoping method. Th~ paper describes the evolution of this method and contains dlscussio~s on the theoretlc~l analysis o~ thetechnlcal, operational and econ~nLcs aspects of the system. Pillar design proce~Tures ~nl field observatio~g on the practical application of theoretical analysis ~re ~ s o outlined. Auth.
91 SCHULTZ, WG Automated continuous mining at Sylvite.-Casestudy of operations, methods and machines at a POtash mine. lOF. CAN. INST.MIN. METALL. BULL.V66, N73~, 1973, P98-107. 92 WRIGHT, FL MCINTYRE PORCUPINE MINEs, AUm~TA, CDN Layout of continuous miner operations in the Smoky river mlnes.-History of coal mining operations, mine design, e~uipment, support systems, and current programmes for improvement of production and standards.3F. CAN. INST.MIN.METALL.BULL.V66, NV31,1973, P167-171.
ANONYMOUS Mount Isa. Underground mining, cut and fill stopi~g and stope filling;-Description of operations and equipment used. AUSTRAL. MIN.V65, N2,1973, PIg- 22,33-3;~.
In-situ stresses in ~round and stress around underground openings HANDY, RL KLOCKOW, DE FERGUSON, EG Portable borehole shear streng%}~ tester for co~l. -Development of apparatus for the rapid evaluation of cohesive and frictional strength of coal in-situ is reported. 25F. U$ BUR.MINES, OPEN FILE REPO~,OFR 43-73,1973,82P.
99 MRAZ, DZ INT. MIN. CHE.M.CORP. SASKATCHEWAN, CDN Behavlo~ of rooms and pillars in deep potash mines. 14F, 6R. CAN. INST. MIN.METALL. BULL. V66, N735,1973, P60-65. The conditions in deep salt strata can be considered as near hydrostatic. The l~-essure field and creep around t h e single opening is a function of its sha~e size and age. The same factors, together with extraction, determine the behavlour of the m i n i ~ ~tl~ea.
ANONYMOUS Mining operations at Broken Hill. The Zinc Corporation Ltd. and New Broken Hill Consolidated Ltd. AUSTRAL.MIN.V65, N6,1973, P15-33.
Tunnels 95 ANONYMOUS Alluvial tunnelling machine for fast advance at i ~ cost.-Brief note on British machine being used for driving a section of Londons new underground railway. CAN. INST. MIN. METALL.BULL.V66, N731,1973, P182.
Power plants
i00 SINGHAL, RK Determination of rock stress in evaporites. ~5F,93~ AU&Z~AL.MIN.V65, N6,1973, P40-46. The author reviews some techniques of rock stress measurement, stress-relief methods, borehole overcoring, flat Jack tests, photoelastic discs and strain cells, and then describes his own work relating to the measurement of stress in evaporltes.
Surface subsidence and caving See also abstract: 138. it~i
~IT~AKER, BN UNIV. NO~fI NGH~M, GB FOR~ESTER, I17 UNTV. NOTTINGHAM, GB Measurement of gro~qd strain and tilt arising from mining subsider~,e. In Field l~m~trumentation in Ge~techoEr4~ng.lh-oc. Symyosium I~S, May 1973. 9~',3R.
B~I_~m~m~PHS, LONDON, ~973. Pt~37-~47 SEDDON, BT BINNIE AND PARTNERS, LONDON, GB Rock investigations for Camlough underground power station. In Field Instrumentation in Geotech.Engng. Prec. Symposium BOS, Ma~ 1973. 5F,$T,$R. B~PA'~WORTHS, LO~X)N, 1973, P370- 381. Investigations in the site area of a proposed underground power station are reported. 12 exploratory holes were drilled and values for the directions and magnitudes of the principal stresses of the In-situ stress field were obtained from tests with a trlaxial rock stress measuring cell. Flat-Jack tests were carried out to yield the following information elastic constants, s t r e r ~ constants, arzl maximum principal stress. Finite e l ~ n t analysis was used to calculate the stress distribution around the excavation. Data frOm the tests used are presented.
97 SINGHOrA, JS HYDEL DESIGNS, CHANDIGARH, I ND SINGH, A HYDEL DESIGNS,C ~ I G A R H , IND Foumdatlon analysis of a surface powerhouse. 7F,6R. WATER POW~,%"25,E~, 1973,P153-150. The stability ar~ resistar~e of the foundation subgr~le, ineludir~ its settlement under imposed loads, is first determined, and is them verified for the effect of vibration due to the powerhouse eqnil~nent. The results of settlement analysis, dynamic analysis, and the mthematleal techniques used are given.
Temporary and permanent supports lee 'also abstract: i~7i. 102 C~,RS FALCON~BRIDGENIUIC..~ MINES LTD.OiVf.CDN SINGH, KH FALCONBRIDGE NICKEL MINES LTD.ONP.CDN Development of post pillar mining at Falconbri~e Nickel Mines Ltd. 13F. 7R. CANJ INST.MIN.METALL. BULL.v66~ N732,1913, P5 ~-64. The introduction" of post pillar mining at the 8trathcons mine represents a n_~w approach to ground support in cuba-and-fill applications. The method has also shown significant econOmic advantages. It is believed that the development of this concept is one of the few examples ~here rock mechardcs principles have successfully been applied in the development of a stoping method. Th~ paper describes the evolution of this method and contains dlscussio~s on the theoretlc~l analysis o~ thetechnlcal, operational and econ~nLcs aspects of the system. Pillar design proce~Tures ~nl field observatio~g on the practical application of theoretical analysis ~re ~ s o outlined. Auth.