FIELD: mining; applicable in increase of stability of permanent and development workings in underground mining of minerals. SUBSTANCE: the offered method includes driving of relieving slots, anchoring of rock mass located behind the relief slot and concreting of anchors and groundsills prior to filling the slots with low-modulus material. In so doing, laid on bottom of the driven slot along its length are groundsills with holes, through which holes are drilled, and anchors are inserted into holes and concreted. Then, anchors are connected with groundsills by means of washers and nuts, and bottom of relieving slot is concreted, and slot is filled with low-modulus material. EFFECT: higher efficiency. 2 dwg
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SU1521877A1 |
