Patent ID: 6682263
Filing Date: 2004-01-27
Classification: E21F

Abstract:
A mine stopping installed in a mine passageway having a floor, a roof and opposing side walls, the stopping at least partially closing the mine passageway and comprising:a lower tier of elongate panels extending generally vertically in side-by-side relation generally from the floor of the passageway, each panel of the lower tier having a lower end adjacent the floor of the passageway and an upper end spaced from the roof of the passageway; an upper tier of elongate panels extending generally vertically in side-by-side relation generally from the lower tier of panels to the roof of the passageway, each upper tier panel having an upper end adjacent the roof of the passageway and a lower end abutting the upper end of respective lower tier panels; and an elongate brace connected to at least one of the lower and upper tiers for reinforcing the stopping against deflection and for inhibiting relative lateral movement between the lower tier panels and the upper tier panels.