tamping

In blasting, the act or operation of filling up a blast-hole above the charge.

In milit. mining, the operation of packing with earth, sand, etc., that part of a mine nearest to the charge, to increase its effectiveness in a given direction.

The material with which the hole made by the drill for blasting is filled after the introduction of the charge of powder or other explosive.

The act of one who tamps; specifically, the act of filling up a hole in a rock, or the branch of a mine, for the purpose of blasting the rock or exploding the mine.

The material used in tamping. See Tamp, v. t., 1.

an iron rod for beating down the earthy substance in tamping for blasting.

Present participle of tamp.