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Conference Proceedings

Fifth Large Open Pit Mining Conference

Conference Proceedings

Fifth Large Open Pit Mining Conference

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Comparison of Pyrotechnic and Electronic Initiation Systems at Whitehaven Coal Mine

Sasol Roche Blasting Services (SRBS) has undertaken a process of trialing and evaluating the use of the SMI electronic initiating system with the specific purpose of being able to fully quantify the benefits of the system over a pyrotechnic system. After an initial trial of three shots in mid-2001, it was decided that to fully quantify the system, a complete strip would need to be fired using the system so that any losses due to ramps or end walls would be the same for both scenarios. The results have shown a significant improvement over the use of pyrotechnic initiators in several key areas including percentage cast. Through the use of survey results, the increase in cast and subsequent net improvement in blasting has been quantified. These trials have set out to compare each system in comparable situations to determine the real benefits, if any, of the electronic system over the pyrotechnic one. As the percentage cast is relatively easy to quantify using modern survey techniques, it was decided that this would be the principle method of comparison. However, while the assessment only included survey results, any improvement in fragmentation size and consistency would have flow on effects on reduced running and maintenance costs.
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  • Comparison of Pyrotechnic and Electronic Initiation Systems at Whitehaven Coal Mine
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  • Published: 2003
  • PDF Size: 1.537 Mb.
  • Unique ID: P200307012

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