RESTORATION METHOD FOR QUARRY FACES, WHICH WERE DISRUPTED DURING EXPLOITATION THEREOF Russian patent published in 2004 - IPC

FIELD: mining industry and building industry equipment. SUBSTANCE: method involves graining disrupted area; placing shuttering frame in quarry face toe depression; fixing shuttering frame into face toe depression by anchors; layer-by-layer filling shuttering frame space with concrete composition up to leveling with upper quarry face banquette; advance loading shuttering frame through layer thickness with crushed rock from lower banquette and then from upper banquette; waterproofing upper and lower banquettes after concrete setting-up; removing load. EFFECT: increased width and bearing strength of banquettes of disrupted high steep quarry face areas. 6 cl, 1 ex