METHOD FOR PREVENTION OF PROTRUSION OF BASE OF MINE WORKINGS

摘要

A method for prevention of protrusion of bottom of mine workings includes drilling of blast holes to the bottom with installation of anchors there. One forms system “bottom-anchors-ties-rails”, in particular performs blast hole drilling to the bottom of working through ends of ties. One installed polyethylene ampoules with quick-curing fixation substance to blast holes with installation of anchors that are connected to rails of rail track with cover plates.