PQ0121_tech-drillblast1B
A look at the fragmentation created through the blasts at the test site. The fragmentation pictured at left occurred before Multivariate Blast Design (MVBD), while the fragmentation at right resulted from use of MVBD. Photo: Anthony Konya
About the Author: Kevin Yanik
Kevin Yanik is editor-in-chief of Pit & Quarry. He can be reached at 216-706-3724 or kyanik@northcoastmedia.net.Subscribe to Pit & Quarry
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