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Effectiveness of the use of high impact energies for breaking hard ledge rocks
Effectiveness of the use of high impact energies for breaking hard ledge rocks
- Source :
- International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts. 11:211
- Publication Year :
- 1974
- Publisher :
- Elsevier BV, 1974.
-
Abstract
- 1. The higher the impact energy, the lower is the value of the stresses which must be induced in a rock mass being broken. 2. The use of high impact energies creates more favorable stresses for the percussion tool. 3. In the case of high-energy impact, with increasing hardness of the rock the rate of rock breaking will either decrease very slightly (in contrast with fracture by a cutting tool or roller bit) or even increase.
Details
- ISSN :
- 01489062
- Volume :
- 11
- Database :
- OpenAIRE
- Journal :
- International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts
- Accession number :
- edsair.doi.dedup.....d6a8b6b041890479657e50a4cab564f3
- Full Text :
- https://doi.org/10.1016/0148-9062(74)91264-9