Naslov
Blasting design for obtaining desired fragmentation

Autori
Strelec, Stjepan ; Gazdek, Mario ; Mesec, Josip

Izvornik
Tehnički vjesnik : znanstveno-stručni časopis tehničkih fakulteta Sveučilišta u Osijeku (1330-3651) 18 (2011), 1; 79-86

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, prethodno priopćenje, znanstveni

Ključne riječi
fragmentation prediction ; Kuz-Ram model ; primary crushing ; rock factor ; rock factor calibration

Sažetak
Predictions and analyses of blasted rock mass fragmentation have increased in importance, as primary fragmentation can significantly decrease the cost of crushing and secondary breaking, on condition that the correct geometry of drilling and blasting parameters is used. The article shows the estimation of fragmentation using the "SB" program, which was created by the authors. It also shows calibration of factors given for the quarry "Očura". The resulting calibrated value of the rock enables the quality prognosis of fragmentation in further blasting works with changed drilling geometry. It also facilitates simulation in the program to optimize blasting works in order to get the desired fragmentations of the blasted rock mass.

Izvorni jezik
Engleski

Znanstvena područja
Geologija, Građevinarstvo, Rudarstvo, nafta i geološko inženjerstvo

POVEZANOST RADA