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Potential of underground mining at small depth, in the light of rock stability considerations
50A 881399
Computer reded tanning: toward another approach to vein-type orebody modelling Chetmanoff, N, Dehac, E, Jacqum, P
Proc 13tk Worm MImng Congress, Improvement of Mme Producttmty and Overall Economy by Modern Technology, Stockholm, June 1987 VI. P19-28 Publ Rotterdam A A Balkema, 1987 An approach is described which uses three classes of mformatlon plane secuons from geological mterpretatton, results of geostatlsttcal esumation, and expert knowledge of the general shape of orebody mmerahsatton An example apphed to a fluorspar mine ts shown The apphcattons of artificial mtelhgence to advancement of this rome design method are considered
881400 Geomechanical prediction and control processes occurring in rock masses at underground exploitation of minerals in complex mining and geological conditions Parashkevov, R
Proc 13th World Mining Congress, Improvement of Mine Productivity and Ghoerall Economy by Modern Technology, Stockholm, June 1987 VI. P37-39 Publ Rotterdam A A Balkema, 1987
been mathematically modelled A first approx~mauon is made of the size and shape of the underground openings to comply with the stabthty reqmrements of underground SlOpes Results are examined from techmcal and economic v~ewpomts A practical example of the use of this method is presented
General underground storage See also 881022, 881060
881403 Effect of pillar width on stress distribution around underground caverns in viscoelastic rock Lee, C I, Kim, C H, Sun, Y Proc International Symposisun on Large Rock Caverns, Heisinki, 25-28 August, 1986 V2. P1293-1304 Pubi Oxford Pergamon Press. 1986 The excavat,on of long parallel horseshoe shaped caverns Is modelled Vtscoelast.c stress analysis ts c a n e d out usmg the Vo,gt-Spnng rock model and the fimte element method The concept of the relaxed zone, based on the contours of equal Potsson's ratio, is mtroduced Pnnclpal stress dtstnbuttons, d~splacements and Potsson's ratio contours are calculated for variations m the rat.o of pdlar width to cavern width, and lmtml horizontal to vertmal prmctpal stress Suggestions are made for design of otl storage caverns
Optimum economm explottaUon of orebodtes requires best possible assessment of mteractlons of the rock mass wroth mmmg equipment and technology A senes of mdexes based on parameters avadable from engmeenng geology mappmg and laboratory tests ts described The mdexes may be used to give quantitative estimates of structural d~storUon, rock burst habthty and energy balance m the rock mass, and to predict rock mass interactions
8814O4
881401
Design and operation of high pressure rock caverns for gas storage Lmdblom, U E
Geological and geomechanicai research for mimng Chl-Shmg Wang, Metkle, P G
Proc 13th World Mining Congress, Improvement of Mme Producnmty and Overall Economy by Modern Technology, Stockholm, June 1987 VI, P51-60 Pubi Rotterdam A A Balkema. 1987 The extensive research program of the USBM ts described Geophysmal surveys and mapping and geologic hneament analysts usmg remote sensmg data are used to uncover hazardous geological features which may affect the stability of underground mines Improved instrumentation has enabled measurement of in sltu stress and momtonng of rock mass behavtour around underground structures, and data have been used to improve mathematical models for rome design and planning Some accomphshments of these studms are described
881402 Potential of underground mining at small depth, in the light of rock stabthty considerations Cravero, M, labtchmo, G, Mancmt, R, Pehzza, S, Stragtottt, L
Proc l Jth World Mining Congress, Improvement of Mine Productivity and OeeraH Economy by Modern Technology, Stockholm, June 1987 VI, P!13-122 Publ Rotterdam A A Balkema, 1987 When surface mmmg becomes environmentally unacceptable, shallow mmmg may be used to further exploit deposits Underground mining close to an abandoned quarry face has
Proc International Symposmm on Large Rock Caverns, Helsinki, 25-28 August, 1986 V2, P!305-1318 Publ Oxford Pergamon Press, 1986 The design of unhned rock caverns for the storage of compressed gases is discussed Containment requires a steady influx of water The technical concept for the design and construction of a water curtain, to achieve the required flow gradient and pressure saturation of the fractures dunng construcuon and use of the cavern, are considered GrouUng of rock walls mm~m~ses mflow and gas losses to pump water, and assocmted problems Rock mechanics consequences of high pressure and cyclic vanauons are discussed
8814O5 Finnish design method for large rock caverns Saamo, V
Proc lntcrnanonal Symposimn on large Rock Caverns, Helsinki, 25-28 August, 1986 V2. P1419-1430 Publ Oxford Pergamon Press. 1986 Large rock caverns are used for many purposes m Fmland The demgn method is based on the prmctples of the New Austrian Tunnelhng Method Shotcrete and bolts provide adequate support, grouting prevents groundwater mflow and hnmgs are not reqmred Geotechmcal rock classlficatton has been used for 20 years as a hnk between geology and rock engmeenng Smce the 1960s mmal stresses have been measured and smce the 1970s finite element analysts has been employed Two recent apphcauons of this design method are described
© 1988 Pergamon Press plc Reproducuon not permitted
Computer reded tanning: toward another approach to vein-type orebody modelling Chetmanoff, N, Dehac, E, Jacqum, P
Proc 13tk Worm MImng Congress, Improvement of Mme Producttmty and Overall Economy by Modern Technology, Stockholm, June 1987 VI. P19-28 Publ Rotterdam A A Balkema, 1987 An approach is described which uses three classes of mformatlon plane secuons from geological mterpretatton, results of geostatlsttcal esumation, and expert knowledge of the general shape of orebody mmerahsatton An example apphed to a fluorspar mine ts shown The apphcattons of artificial mtelhgence to advancement of this rome design method are considered
881400 Geomechanical prediction and control processes occurring in rock masses at underground exploitation of minerals in complex mining and geological conditions Parashkevov, R
Proc 13th World Mining Congress, Improvement of Mine Productivity and Ghoerall Economy by Modern Technology, Stockholm, June 1987 VI. P37-39 Publ Rotterdam A A Balkema, 1987
been mathematically modelled A first approx~mauon is made of the size and shape of the underground openings to comply with the stabthty reqmrements of underground SlOpes Results are examined from techmcal and economic v~ewpomts A practical example of the use of this method is presented
General underground storage See also 881022, 881060
881403 Effect of pillar width on stress distribution around underground caverns in viscoelastic rock Lee, C I, Kim, C H, Sun, Y Proc International Symposisun on Large Rock Caverns, Heisinki, 25-28 August, 1986 V2. P1293-1304 Pubi Oxford Pergamon Press. 1986 The excavat,on of long parallel horseshoe shaped caverns Is modelled Vtscoelast.c stress analysis ts c a n e d out usmg the Vo,gt-Spnng rock model and the fimte element method The concept of the relaxed zone, based on the contours of equal Potsson's ratio, is mtroduced Pnnclpal stress dtstnbuttons, d~splacements and Potsson's ratio contours are calculated for variations m the rat.o of pdlar width to cavern width, and lmtml horizontal to vertmal prmctpal stress Suggestions are made for design of otl storage caverns
Optimum economm explottaUon of orebodtes requires best possible assessment of mteractlons of the rock mass wroth mmmg equipment and technology A senes of mdexes based on parameters avadable from engmeenng geology mappmg and laboratory tests ts described The mdexes may be used to give quantitative estimates of structural d~storUon, rock burst habthty and energy balance m the rock mass, and to predict rock mass interactions
8814O4
881401
Design and operation of high pressure rock caverns for gas storage Lmdblom, U E
Geological and geomechanicai research for mimng Chl-Shmg Wang, Metkle, P G
Proc 13th World Mining Congress, Improvement of Mme Producnmty and Overall Economy by Modern Technology, Stockholm, June 1987 VI, P51-60 Pubi Rotterdam A A Balkema. 1987 The extensive research program of the USBM ts described Geophysmal surveys and mapping and geologic hneament analysts usmg remote sensmg data are used to uncover hazardous geological features which may affect the stability of underground mines Improved instrumentation has enabled measurement of in sltu stress and momtonng of rock mass behavtour around underground structures, and data have been used to improve mathematical models for rome design and planning Some accomphshments of these studms are described
881402 Potential of underground mining at small depth, in the light of rock stabthty considerations Cravero, M, labtchmo, G, Mancmt, R, Pehzza, S, Stragtottt, L
Proc l Jth World Mining Congress, Improvement of Mine Productivity and OeeraH Economy by Modern Technology, Stockholm, June 1987 VI, P!13-122 Publ Rotterdam A A Balkema, 1987 When surface mmmg becomes environmentally unacceptable, shallow mmmg may be used to further exploit deposits Underground mining close to an abandoned quarry face has
Proc International Symposmm on Large Rock Caverns, Helsinki, 25-28 August, 1986 V2, P!305-1318 Publ Oxford Pergamon Press, 1986 The design of unhned rock caverns for the storage of compressed gases is discussed Containment requires a steady influx of water The technical concept for the design and construction of a water curtain, to achieve the required flow gradient and pressure saturation of the fractures dunng construcuon and use of the cavern, are considered GrouUng of rock walls mm~m~ses mflow and gas losses to pump water, and assocmted problems Rock mechanics consequences of high pressure and cyclic vanauons are discussed
8814O5 Finnish design method for large rock caverns Saamo, V
Proc lntcrnanonal Symposimn on large Rock Caverns, Helsinki, 25-28 August, 1986 V2. P1419-1430 Publ Oxford Pergamon Press. 1986 Large rock caverns are used for many purposes m Fmland The demgn method is based on the prmctples of the New Austrian Tunnelhng Method Shotcrete and bolts provide adequate support, grouting prevents groundwater mflow and hnmgs are not reqmred Geotechmcal rock classlficatton has been used for 20 years as a hnk between geology and rock engmeenng Smce the 1960s mmal stresses have been measured and smce the 1970s finite element analysts has been employed Two recent apphcauons of this design method are described
© 1988 Pergamon Press plc Reproducuon not permitted