Underground Quarry Sub Level Stoping

  • Sub Level Stoping in an Underground Limestone

    Sub Level Stoping in an Underground Limestone Quarry An Analysis of the State of Stress in an Evolutionary Scenario By Marilena Cardu Sergio Dipietromaria and Pierpaolo Oreste Cite

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  • Sub Level Stoping in an Underground Limestone

    Sub Level Stoping in an Underground Limestone Quarry An Analysis of the State of Stress in an Evolutionary Scenario By Marilena Cardu Sergio Dipietromaria and Pierpaolo Oreste Cite

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  • Underground Stoping Practice Methods

    04/04/2017· In sublevel stoping fig 86 the ore is blasted out into an open stope and falls into funneled raises or mill holes and no handling is needed except where benching down is done in two or more steps when some shoveling may be necessary to clean off the lower benches With block caving most of the ore broken in undercutting falls by gravity into raises previously driven at close intervals

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  • Sublevel mining methods

    22/10/2014· Sublevel mining methods 1 Hassan Z Harraz hharraz2006 2014 2015 This material is intended for use in lectures presentations and as handouts to students and is provided in Power point format so as to allow customization for the individual needs of course instructors

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  • Sublevel Stoping at a large underground quarry studies

    1540 Sublevel Stoping at a large underground quarry studies for the improvement of the production blasting M CARDU 1 R FOLCHI 2 E LOVERA 3 R MANICINI 1 L ZAMMARIAN 4

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  • [PDF] Sub Level Stoping in an Underground

    The quarry has been in operation since 1927 at present exploitation is carried out underground via the sub level stoping method Exploitation involves two levels with 5 rooms on the upper level and 9 rooms on the lower level After analysing data obtained from laboratory and in situ tests carried out on rock samples and natural discontinuities the geomechanical properties of the medium

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  • Sublevel Open Stoping In South African Gold Mines

    Pdf Sublevel Stoping At A Large Underground Quarry The Sub level stopingsub level caving after more than 30 years of open pit mining rana gruber as started underground mining using the sublevel open stoping method at the kvannevann mine in 2000 the mining has been continuously improved and further developed to Section 10 Shrinkage Methods Mike Turner Shrinkage mining was a common stoping

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  • underground quarry sub level stoping

    underground quarry sub level stoping Advantages Sub Level Caving Rana Gruber Sub level caving After more than 30 years of open pit mining Rana Gruber AS started underground mining using the sublevel open stoping method at the Kvannevann Mine in 2000 The mining has been continuously improved and further developed to suit the difficult Transverse longhole stoping Transverse

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  • Different back fill materials used in underground

    16/04/2018· The sublevel stoping can be longitudinal or transverse In a longitudinal method the void close to the brow is chocked off with the CAF to provide a competent wall when firing the adjacent slot and rings In addition CAF serves as crown pillar for mining stopes beneath In a transverse method the primary stope is filled with CAF to provide the support and competent wall while the secondary

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  • Sub level open stoping QueensMineDesignWiki

    Sub level open stoping From QueensMineDesignWiki Jump to navigation search From Queen s University Mine Design Wiki This article provides detailed design and development information on the Sublevel Open Stoping Mining Method along with key information regarding project economics and safety Sublevel Open Stoping originated in the early 1900 s in iron ore mines in Michigan USA It

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  • Underground Mining Methods and Equipment

    Sublevel Stoping Cut and fill Stoping Longwall Mining Sublevel Caving Block Caving 2 Underground Mining Machinery Glossary Bibliography Biographical Sketches Summary The first section gives an overview of underg round mining methods and practices as used commonly in underground mines including classification of underground

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  • 10 Nube Minera Sub Level

    Sublevel Stoping at a large underground quarry studies for the improvement of the production blasting Galería base o Undercart En a parte inferior de la unidad de explotación se realiza una galería Undercut que sigue la corrida del cuerpo las dimensiones de la undercut normalmente es de 3 5 x 3 5 a 4 x 4 evacuación del mineral

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  • Limestone Underground Quarry Sub Level Stoping

    Limestone Underground Quarry Sub Level Stoping Environmental impact of blasting at Drenovac limestone quarry Nov 1 2014 Environmental impact of blasting at Drenovac limestone quarry Serbia In order to predict the influence level to the neighboring buildings recorded peak Attewell PB 1964 Ground vibrations from shallow sub surface blasts Department of Underground

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  • SubLevel Stoping Introduction to Sublevel Stoping

    INTRODUCTION The sublevel stoping mining method is usually applied to a relatively steeply dipping competent ore body surrounded by competent wall rock Ore is produced by drilling and blasting longholes which can range from 50 mm 2 in to 200 mm 7% in diam with lengths up to 90 m 300 ft Longholes can be inclined in any direction but the ring or pattern usually forms a plane and

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  • Sub level Stoping in an Underground Limestone

    The quarry has been in operation since 1927 at present exploitation is carried out underground via the sub level stoping method Exploitation involves two levels with 5 rooms on the upper level and 9 rooms on the lower level After analysing data obtained from laboratory and in situ tests carried out on rock samples and natural discontinuities the geomechanical properties of the medium

    Get Price
  • Sub level stoping in an underground limestone

    The quarry has been in operation since 1927 at present exploitation is carried out underground via the sub level stoping method Exploitation involves two levels with 5 rooms on the upper level and 9 rooms on the lower level After analysing data obtained from laboratory and in situ tests carried out on rock samples and natural discontinuities the geomechanical properties of the medium

    Get Price
  • Arch Min Sci Vol 61 2016 No 1 p 199 216

    means of the sub level stoping method in an underground limestone quarry near Bergamo Italy Both the current structure of the quarry the rooms exploited till now and a possible future scenario were analysed using the FDM FLAC 2D code The quarry has been in operation since 1927 at present ex ploitation is carried out underground via the sub level stoping method Exploitation

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  • 10 Nube Minera Sub Level

    Sublevel Stoping at a large underground quarry studies for the improvement of the production blasting Galería base o Undercart En a parte inferior de la unidad de explotación se realiza una galería Undercut que sigue la corrida del cuerpo las dimensiones de la undercut normalmente es de 3 5 x 3 5 a 4 x 4 evacuación del mineral

    Get Price
  • Sublevel stoping at a large underground quarry

    Sublevel stoping at a large underground quarry studies for the improvement of the production blasting / CARDU M FOLCHI R LOVERA E MANCINI R ZAMMARIAN L BERRETTA ELETTRONICO 2005 pp 1540 1555 Intervento presentato al convegno 14th International Symposium on Mine Planning and Equipment Selection MPES tenutosi a Banff Canada nel October 31 November 3

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  • Sub level stoping Wassara

    Sub level stoping 4 Underground coal mining 5 Open pit mininig 6 Long hole rises 7 Utility holes Case studies Öppna undermeny Water treatment LKAB Konsuln New infrastructure in Lubambe Copper Mine Zambia Utility holes in the LKAB mine Sweden Major energy cost savings at the LKAB mine Sweden Drilling for opening slots in the San Geronimo mine Chile Mining Swedish mining

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  • Sublevel stoping at a large underground quarry

    Sublevel stoping at a large underground quarry studies for the improvement of the production blasting / CARDU M FOLCHI R LOVERA E MANCINI R ZAMMARIAN L BERRETTA ELETTRONICO 2005 pp 1540 1555 Intervento presentato al convegno 14th International Symposium on Mine Planning and Equipment Selection MPES tenutosi a Banff Canada nel October 31 November 3

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  • SUB LEVEL OPEN STOPING DESIGN OF THE O640 L651 AND

    sub level open stoping and the design process followed The objective here is to present a design methodology applicable to sublevel open stoping but also to then bridge the gap between theory and practice by applying said methodology to an actual design example The design examples used in this dissertation is based on the O640 L651 and N659 stopes in the 3000 Orebody of Xstrata Copper

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  • Sub level stoping Wassara

    Sub level stoping 4 Underground coal mining 5 Open pit mininig 6 Long hole rises 7 Utility holes Case studies Öppna undermeny Water treatment LKAB Konsuln New infrastructure in Lubambe Copper Mine Zambia Utility holes in the LKAB mine Sweden Major energy cost savings at the LKAB mine Sweden Drilling for opening slots in the San Geronimo mine Chile Mining Swedish mining

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  • Description of mining methods step by step

    Sub Level Longhole stoping Information Development of the ramp up to the desired elevation for the stope top or bottom Development of the access drift to the ore Development of the lower and upper ore drifts Once the development is completed the panel is separated in sections of 21 m to 37 m 70 ft to 120 ft long Long hole drilling for the initial cut The drop raise consists in 19

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  • Underground Stoping Practice Methods

    04/04/2017· In sublevel stoping fig 86 the ore is blasted out into an open stope and falls into funneled raises or mill holes and no handling is needed except where benching down is done in two or more steps when some shoveling may be necessary to clean off the lower benches With block caving most of the ore broken in undercutting falls by gravity into raises previously driven at close intervals

    Get Price
  • Sub level open stoping QueensMineDesignWiki

    Sub level open stoping From QueensMineDesignWiki Jump to navigation search From Queen s University Mine Design Wiki This article provides detailed design and development information on the Sublevel Open Stoping Mining Method along with key information regarding project economics and safety Sublevel Open Stoping originated in the early 1900 s in iron ore mines in Michigan USA It

    Get Price
  • 10 Nube Minera Sub Level

    Sublevel Stoping at a large underground quarry studies for the improvement of the production blasting Galería base o Undercart En a parte inferior de la unidad de explotación se realiza una galería Undercut que sigue la corrida del cuerpo las dimensiones de la undercut normalmente es de 3 5 x 3 5 a 4 x 4 evacuación del mineral

    Get Price
  • Underground Stoping Practice Methods

    04/04/2017· In sublevel stoping fig 86 the ore is blasted out into an open stope and falls into funneled raises or mill holes and no handling is needed except where benching down is done in two or more steps when some shoveling may be necessary to clean off the lower benches With block caving most of the ore broken in undercutting falls by gravity into raises previously driven at close intervals

    Get Price
  • Underground Mining Methods MineralsEd

    Sublevel stoping Sublevel stoping is a mining method in which ore is blasted from different levels of elevation but is removed from one level at the bottom of the mine Before mining begins an ore pass is usually drilled from a lower to a higher elevation Jumbos selectively drill holes into the roof of the drift and fill them with explosives When the roof is blasted loose rocks or muck

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  • Sublevel Stoping at a large underground quarry the

    1621 Sublevel Stoping at a large underground quarry the improvement of the development and exploitation design R MANCINI1 2 M CARDU1 2 V PIOVANO3 and

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