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Information × Registration Number 0309U003043, 0108U004790 , R & D reports Title To develop the rules of inspection and estimation of the state of broken lining of vertical shafts popup.stage_title Проаналізувати досвід обстеження стану кріплення вертикальних стволів і визначити основні критерії оцінки його порушень. Head Budnik A.V, Registration Date 23-01-2009 Organization Research Institute of Organization and Mechanization of Mine Construction popup.description2 Broken lining of vertical shafts of coal mines. Development of the branch normative document "Vertical shafts of coal mines. Rules of inspection and estimation of the state of broken lining". Analytical, technical and economic analyses. According to the planned schedule for 2008 year domestic and foreign experience of inspection of the state of broken lining is analysed and basic criteria of estimation of damages level of vertical shafts lining like actual bearing strength, geometrical parameters, watertightness, longevity are defined. The developed criteria provide completeness of lining inspection, exactness of estimation of damages level of lining, correctness of making the decisions on its repair. Work resalts will be used for further implementation of work. The repair of vertical shafts of coal mines.56355635 Product Description popup.authors popup.nrat_date 2020-04-02 Close