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Application of lase...
Application of laser scanning to measure fragmentation in underground mines
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- Campbell, Alex (författare)
- Glencore Copper, Brisbane, Australia; Sustainable Minerals Institute, University of Queensland, Brisbane, Australia
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- Thurley, Matthew, 1971- (författare)
- Luleå tekniska universitet,Signaler och system,Innovative Machine Vision Pty Ltd, Melbourne, Australia
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(creator_code:org_t)
- 2017-03-16
- 2017
- Engelska.
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Ingår i: Mining Technology. - : Taylor & Francis. - 1474-9009 .- 1743-2863. ; 126:4, s. 240-247
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http://ltu.diva-port...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The particle size distribution of fragmented rock in mines significantly affects operational performance of loading equipment, materials handling and crushing systems. A number of methods to measure rock fragmentation exist at present, however these systems have a number of shortcomings in an underground environment. This paper outlines the first implementation of high resolution 3D laser scanning for fragmentation measurement in an underground mine. The system is now used routinely for fragmentation measurement at the Ernest Henry sublevel-cave mine following extensive testing and calibration. The system is being used to study the effects of blasting parameters on rock fragmentation to optimise blast design. Results from 125 three dimensional scans measured the average P50 and P80 to be 230mm and 400mm respectively. The equipment, methodology and analysis techniques are described in detail to enable application of the measurement system at other mines.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
Nyckelord
- mining
- image analysis
- fragmentation
- blasting
- sublevel caving
- laser scanning
- Signalbehandling
- Signal Processing
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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