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MEASUREMENT IN BLAST HOLE STEM AND INFLUENCE OF STEMING MATERIAL ON BLASTING QUALITY
Mario Dobrilović
Zvonimir Ester
Branimir Janković
Sažetak
Paper presents results of blast hole stem materials, that were conducted to assert best stem materials for surface blasting in quarry of technical / construction stone. Blasting has been performed with equal explosives and test-minefield parameters (length of the stem, volume of the explosive charge, mine-drill depth, and angle) on various sites / quarry. Results are guidelines in materials to be chosen in surface blasting of quarry works, adding to quality of mining works and reduction of costs.
Ključne riječi
blasting; civil-usage explosives; shock-wave; stem materials
Hrčak ID:
7400
URI
Datum izdavanja:
4.12.2005.
Posjeta: 8.367 *