| Abstract: | The stability of flat arches with pinned and fixed ends under a uniformly distributed load is investigated on the assumption that the material obeys a linear hardening law and the geometric relations are nonlinear. The equations obtained are solved for a sinusoidal arch with a rectangular cross section using the Bubnov-Galerikn method and the method of elastic solutions. Equations are obtained for the load and deflection at which transition from the purely elastic to the elastoplastic state occurs.Tartu State University. Translated from Mekhanika Polimerov, Vol. 4, No. 5, pp. 887–896, September–October, 1968. |
