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rolling load calculation rock crushers ratings

Powder Factor Tons of rock or cubic yards per pounds of explosive. Normal range 4 to 7 Shallow holes 1 to 2 External loads .3 Tons of Rock Powder Factor lbs of Explosives The higher the powder factor, the lighter the load. Lower powder factor means more explosives. Example 1.5 tons PF of 6.25lbs BURDENSPACING CALCULATION

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