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Information × Registration Number 0208U002504, 0106U000735 , R & D reports Title The procedure of designing of load-carrying systems in upload-transportation portal machines on pneumatic popup.stage_title Head Korobochka O., Доктор технічних наук Registration Date 31-01-2008 Organization Dneprodzerzhinsk State Technical University popup.description2 Characteristics of stiffness which are causing loads of portal carrying system are investigated. The effect of structural stiffness for natural dynamical characteristics of portal carrying systems is discovered, the selection of type for profiles of longitudinal power elements for portal carrying system is fulfiled, the open profile is optimizаted by criterion of minimum torsionfl rigidity. Product Description popup.authors popup.nrat_date 2020-04-02 Close