METHOD OF PRELIMINARY STRENGTHENING OF ROOF ROCKS OF STOPES

摘要

Usage: The invention relates to mining, in particular to methods for the preliminary treatment of the roof reinforcement rock excavation, and can be used at working fields develop systems with natural and artificial maintenance of the cleaning space, as well as during parallel mine workings. The purpose izo2 Candlemas - providing reinforcement of the roof rocks at the same time a number of parallel developments carried out on the same level, and the increase of technical and economic parameters of the attachment process. The inventive method of pre-hardening treatment of the roof rock excavation includes drilling horizontal wells fans in the roof of future parallel openings, installation therein trosoinektsionnyh rods and injecting a hardenable composition array. The novelty of the method is that in the pre-formed drill traversed formulation chamber with the roof part-time job to a depth of 1.0-1.5 m, and drill downhole towards each other from the chambers passed, the wells drilled from a single camera, a above wells drilled from another camera. 2 yl.