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)11018on the calculation of composite beams on two-parameter elastic foundationsFilatovV Vfofa@mail.ru150320103384012092016Copyright © 2016, Structural Mechanics of Engineering Constructions and Buildings2016This article describes application of the composite bar and plate theory developed by A.R. Rzhanitsyn for calculating composite beams on two-parameter elastic foundations. Difference form of SUPROX method is used to generate some numerical algorithm. The calculation of composite beam on elastic foundations illustrates a simple and fast-convergence solutionElastic foundationrodplatemethod of approcsimationупругое основаниестерженьпластинкаметод последовательных аппроксимаций