Structural Mechanics of Engineering Constructions and BuildingsStructural Mechanics of Engineering Constructions and Buildings1815-52352587-8700Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)11043Research ArticleCRITICAL AND POSTCRITICAL EQUILIBRIA IN STABILITY PROBLEMS OF ELASTIC SYSTEMSManuylovG Anoxonius@mail.ruKositsynS Bnoxonius@mail.ruBegichevM Mnoxonius@mail.ruMGUPS (MIIT), Moscow150520155475412092016Copyright © 2016, Structural Mechanics of Engineering Constructions and Buildings2016The article deals with some signs of differences of critical points (limit point or bifurca- tion point). The features bifurcation points movement on the equilibrium curve are discussed. Origination of bifurcations are shownstability equilibriumbifurcationlimit pointустойчивость равновесиябифуркацияпредельная точка