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Information × Registration Number 0307U003260, 0106U009780 , R & D reports Title To develop typical metal concret fastening bearing ability for developments of greater sections and specifications for its manufacture popup.stage_title Розробити принципові технічні рішення по створенню кріплення високої вантажонесучої здатності та розрахувати його несучу здатність Head Alferov B.V., Registration Date 13-02-2007 Organization The state Scientific research institute of the organization and mechanization of mine construction popup.description2 Attachment of mine workings of coal mines Reduction of the cost of attachment and increase of term of maintenance-free maintenance of capital mine workings and chambers of large cross sections, increase of safety of activities Analytical and the experimental researches Are designed the principled technical and design solutions on creation of designs metal-concrete fix of high lift capability for developments and chambers the calculations Are heavy gauge executed and are determined geomechanical and design data metal-concrete fix for all sections of mine workings of the open-ended and selfcontained form with flyovers of arches from a double tee №24М from 5,5 up to 11,25mm at a step of their increase 0,25m and normative support pressure loads 0,6; 0,8and 1,2МPа Outcomes of activity will be utilised at further fulfilment of activity in 2007y5635 Product Description popup.authors popup.nrat_date 2020-04-02 Close