Transcription of SECTION 10 SHRINKAGE METHODS Mike Turner …
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SECTION 10 SHRINKAGE METHODS Mike Turner …
SECTION 10 SHRINKAGE METHODSMike TurnerAustralian mining ConsultantsMay 2000 Australian Centre for GeomechanicsUnderground mining MethodsMike TurnerShrinkage Disadvantages .. Advantages .. Orebody Dip .. Orebody Competence .. Hangingwall and Footwall Competence .. Orebody Geometry .. Broken Ore Orebody .. OreDrive DrawpointCross-cut Method .. Chutes/Rail Drawpoint Cleaning .. Operational Guidelines .. Stope Hangingwall and Footwall .. Rolling SHRINKAGE .. SemiShrinkage .. Cut andfill SHRINKAGE .. Longhole SHRINKAGE .. Alimak Transverse SHRINKAGE .. 12 PlatesPLATE1; ! BOOKMARK NOT ;SHRINKAGESTOPE HANGINGWALL SUPPORT,HOLEMARK-UP !BOOKMARK NOT ; LONGSECTION OFRAIL/ ! BOOKMARK ; ISOMETRIC VIEW OFRAIL/ 16 FIGURE3; ISOMETRIC VIEW 17 FIGURE4; ISOMETRIC VIEW 18 FIGURE5; ISOMETRIC VIEW OFRAIL/ 19 FIGURE6; LONGSECTION 20 Australian Centre for GeomechanicsUnderground mining MethodsMike TurnerShrinkage MethodsSection 10, Page SHRINKAGE stoping the oreis generally mined in horizontal slices, starting from thebottom and advancing updip.
Australian Centre for Geomechanics Underground Mining Methods Mike Turner Shrinkage Methods Section 10, Page 3 10.1.1 INTRODUCTION In shrinkage stoping the ore is generally mined in horizontal slices, starting from the
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