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RESTORATION METHOD FOR QUARRY FACES, WHICH WERE DISRUPTED DURING EXPLOITATION THEREOF
RESTORATION METHOD FOR QUARRY FACES, WHICH WERE DISRUPTED DURING EXPLOITATION THEREOF
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机译:在挖掘过程中被破坏的采石场修复方法
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摘要
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
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