DRILL AND BLAST METHOD AND APPARATUS FOR THE SAME

摘要

Disclosed is a drill and blast method for advancing the tunnel face in a mine, which makes use of a mobile canopy. The mobile canopy having vertical supports connected to a frame that supports a shield. The mobile canopy allows for face production activities and ground support activities to occur simultaneously or near simultaneously. This allows for more rapid advancement of the tunnel face compared to traditional batch drill and blast techniques.

主权项

1. A method for advancing a tunnel face in an underground mine, said method comprising the steps of:
blasting the tunnel face with a plurality of explosives; removing debris formed by the blasting step from the heading; positioning a mobile canopy at or near the heading; drilling holes in the tunnel face and packing the same with explosives; and securing the rock structure inside and/or outside the mobile canopy.