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Abstract
An analysis of the technologies for securing mine workings in difficult mining and geological conditions has been conducted. The options for fastening with the use of self-fastening roof bolting in combination with reinforced cages and metal meshes are considered; sprayed concrete, applied according to the technologies of “dry” and “wet” sprayed concrete; fiberglass and basalt-plastic roof bolting; plugging of rocks in difficult hydrogeological conditions.
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Details
1 Department of Mineral Deposits, Magnitogorsk State Technical University. G.I. Nosov , Lenina av., 38, Magnitogorsk , Russian Federation