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EFFECTIVENESS OF SUPPORT SYSTEMS EMPLOYED IN THE FINSCH MINE BLOCK 4 CAVE (2008)

 The block production and ore handling systems were designed to be carefully integrated with rock being supplied to the crusher ‘just in time’; there being minimal flexibility to allow for lengthy tunnel or brow repairs to be done. This factor also contributed to ensuring that the support designs catered for minimal disruptive maintenance. The block is now well established with most of the development complete and the undercut having passed 50% of the pipe’s footprint. Some drawpoints are in excess of 60% drawn and there has been ample evidence of the effectiveness of the support system ‘under load’ reinforcing the production tunnels and vulnerable contact areas. To date, there has been minimal repair cycle requirements with consequential little effect on efficient production from the constrained single-sided layout. The paper reviews the outcome for the key parts of the support system and will also discuss the role of monitoring as an integral portion of the implementation
Reference:
6th International Symposium on Ground Support in Mining and Civil Engineering Construction, an ISRM-Sponsored Regional Symposium
Organization:
DeBeers Consolidated Mines
South Africa
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