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What is the diameter of a blast hole and the effective diameter of a blast?
Wiki User
∙ 16y ago
Holes for blasting vary in size from an inch to several inches depending on the application. Depth will vary across applications as well. The effective diameter of a blast will depend on the size of the charge, the depth in which it is placed and the type of material that is being blasted. And all of this will vary as widely as the application. In commercial mining applications, it is unusual to make a single hole and pack a single charge to make a shot. This ups the challenge to estimate the amount of material that will be displaced, but the professionals who do this blasting can make these estimates.
Wiki User
∙ 16y ago
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