METHOD OF SUPPORT OF MINE WORKINGS AND FRAME SUPPORT FOR ITS EMBODIMENT Russian patent published in 1997 - IPC

FIELD: mining. SUBSTANCE: interframe guard of lattice tie-bars are mounted on the temporary support roofing prior to advancing the units of temporary support located across the working width. For this purpose, tie-bars are suspended with the help of hooks from the second lateral rod of the previously installed tie-bar on roofing, and then, suspended tie-bars are turned by advancing the support units to the side of roofing with their arrangement on the roofings upon completion of advance of support units. After extension of support units, the tie-bars are pressed to the roof, and on the section of overlap of two tie-bars, mutual fastening of longitudinal rods takes place to form joint in form of hinge (unit 1). Simultaneously with mounting of tie-bars on support unit roofings, after their advancing, permanent support frame is installed. Frame includes capping and props for tie-bars mounted in face space with formation of interframe guard. EFFECT: higher efficiency. 4 cl, 7 dwg