The Effects of Rock Mass Characteristics on Fragmentation in Controlled Blasting Experiments in Small Development Headings (918d88ff-d898-4f00-95e5-a6e5e6f42a64)
- Organization:
- International Society of Explosives Engineers
- Pages:
- 11
- File Size:
- 89 KB
- Publication Date:
- Jan 1, 1996
Abstract
A joint Federal Government-Industry research project on the effect of geology on the fragmentation of rock excavated by blasting in underground developments was conducted at the CANMET Experimental Mine, near Val d'Or, Québec. A total of thirteen (13) blasts were studied from November 1994 to February 1995. The analysis of each blast was divided into three stages: pre-blast characterization, including structural mapping, assessment of Rock Mass Ratings (RMR), Tunneling Quality Indices (Q), blast design documentation; blast characterization comprising blast vibration monitoring and analysis; and post-blast assessment comprising fragmentation assessment by digital photoanalysis, calculation of half cast factors and measurements of bootlegs.
Citation
APA: (1996) The Effects of Rock Mass Characteristics on Fragmentation in Controlled Blasting Experiments in Small Development Headings (918d88ff-d898-4f00-95e5-a6e5e6f42a64)
MLA: The Effects of Rock Mass Characteristics on Fragmentation in Controlled Blasting Experiments in Small Development Headings (918d88ff-d898-4f00-95e5-a6e5e6f42a64). International Society of Explosives Engineers, 1996.