Abstract
This chapter will describe drilling plan, blast plan, fragmentation, open pit slope, and safety related to open pit mining. The following topics will be discussed: subdrilling, inclination of bench faces, deck charge, air deck, primer placement, stress wave superposition, shock wave collision, rock fragmentation, barrier to free face, fly rocks, and so on. Rock blasting in quarries is mostly similar to that in open pit mines, so the principles in open pit blasts are applicable in quarries.
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