fay-lily-lester documents

First Step is Selection of Burden B = 0.67 * D e * (E/S gr ) 0.33 –D e is hole diameter in inches –S gr is the specific gravity of rock where water =
Documents First Step is Selection of Burden B = 0.67 * D e * (E/S gr ) 0.33 –D e is hole diameter in inches –S gr is the specific gravity of rock where water =