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Keywords: Underbreak
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Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-044
... limits are called overbreak and underbreak respectively, with the word backbreak used when overbreak is excessive. The more general concept of EDZ (Excavation Damaged Zone) applies to the fractured and fragmented rock volumes that surround a cavity upon blasting, also called DOW (Damage...

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