ESTIMATION OF THE INFLUENCE OF THE RIGIDITY OF ELASTIC INJECTION OF THE BARS AND INITIAL IMPERFECTIONS OF THE SHAPE ON THE VALUE OF THE CRITICAL NODE LOAD FOR MESH DOMES
ESTIMATION OF THE INFLUENCE OF THE RIGIDITY OF ELASTIC INJECTION OF THE BARS AND INITIAL IMPERFECTIONS OF THE SHAPE ON THE VALUE OF THE CRITICAL NODE LOAD FOR MESH DOMES
The problem of snap through of mesh domes with semi rigid connection of rods at the nodes is considered. The dependences of the change in the critical nodal load on the compliance of the nodes are determined. A condition for the local stability of mesh domes is formulated. Рассмотрена задача местной устойчивости стальных сетчатых куполов с упруго-податливым соединением стержней в узлах. Определены зависимости изменения критической узловой нагрузки от податливости узлов. Сформулировано условие местной устойчивости сетчатых куполов.
жёсткость, узел, stiffness, критическая нагрузка, critical load, joint, устойчивость, mesh dome, сетчатый купол, stability, податливость, pliability
жёсткость, узел, stiffness, критическая нагрузка, critical load, joint, устойчивость, mesh dome, сетчатый купол, stability, податливость, pliability
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