Experimental determination of best performing cut in Lece underground mine

Podzemni Radovi

Čolović Miloš¹  Gramić Nenad¹  Duranović Miodrag¹  Lapčević Veljko²  Torbica Slavko² 

[1] Farmakom MB - Lece mine, Šabac;University of Belgrade, Faculty of Mining and Geology, Belgrade;

关键词: blasting;    explosives;    underground mining;   

DOI  :  

来源: DOAJ

【 摘 要 】

Development operation in underground mining require high performance drilling and blasting. In order to determine best performing cut in Lece mine series of experiments were conducted. It was noticed that sequencing of initiation has crucial impact on cut performance. Line cut had experienced filling of empty holes with blasted material that was indistinguishable from the main rock. Finally, best results were obtained by delayed initiation of charges in circular pattern. Such cut construction provided complete hole recovery instead of previous poor results.

【 授权许可】

Unknown