DELIVERY-TO-DRAWING WORKINGS JUNCTION SUPPORT Russian patent published in 2000 - IPC

FIELD: mining and underground construction; applicable in supporting of junctions of mine workings with bolts and supporting plates. SUBSTANCE: junction support includes installed in working roof and walls: bolts, supporting plates on bolt shanks, reinforced layer located on rock contour under supporting surface of plates and consists of plastic material and wire, and shorcrete coating of bolted surface. Each supporting plate is made of reusable tie plate having periphery holes. Wire is separated into separate lengths bent in form of clamps and located on supporting surface of tie plate. In this case, at least, one end of each clamp is passed through periphery hole of tie plate extending into shorcrete coating and oriented in it at angle to tie plate plane. Bolt shanks may have heads. Plastic material is used in form of rubber. EFFECT: increased service life and serviceability of support due to formation of reinforced layer of shotcrete directly on supporting plate surface, reduced expenditures for supporting work. 2 cl, 4 dwg