MINE ROOF AND RIB SUPPORT

摘要

A mine roof and rib support includes a support member having a roof support arm and a rib support arm with a junction portion therebetween and an aperture defined through the support member for receiving a mine roof bolt. The aperture may be located adjacent the junction of the roof support arm and rib support or defined through at least one of the roof support arm and the rib support arm. A bearing plate having an upper edge and a lower edge, and a through-hole provided therebetween can be provided wherein the upper and lower edges are positioned in abutment with the roof and rib support arms, respectively. The mine roof bolt may extend through the bearing plate through-hole and the support member aperture. The support member may be curved having a curved junction portion between the roof and rib support arms.