Geologic data for blasting at the Minntac Mine
Conference
·
OSTI ID:398377
This paper is a case study showing the assembly of available rock property parameters for the purpose of blast design. Blast optimization now includes subsequent milling and requires a full knowledge of the rock mass. Individual blast holes should be designed using all available data. The parameters include: geologic layer from diamond drilling, shovel performance, crushing plant experience from that area, drill monitoring, magnetic susceptibility from a downhole probe, size analysis history from digital image analysis, compressive strength tests of problem areas and cross hole sonic testing. Bedding thickness observed from drill core appear to have a strong influence on fragmentation.
- OSTI ID:
- 398377
- Report Number(s):
- CONF-960234-; TRN: IM9649%%585
- Resource Relation:
- Conference: 12. annual symposium on explosives and blasting research, Orlando, FL (United States), 4-8 Feb 1996; Other Information: PBD: 1996; Related Information: Is Part Of Proceedings of the twelfth annual symposium on explosives and blasting research; PB: 271 p.
- Country of Publication:
- United States
- Language:
- English
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