Szukana fraza: [Abstract = The article presents a numerical model of a typical composite girder which consists of a strip of a reinforced concrete slab resting on a steel beam. Compatibility of horizontal displacements is assumed in the slab\-beam contact region. The structure is subjected to unidirectional bending. The cross\-section is divided into layers, either steel or concrete, and then analysed by applying non\-linear characteristics of materials. The problem is solved by employing the finite element method. For a nonlinear system of equations the modified Newton\-Raphson method is used. Examples of verification and illustration are enclosed. The stages of the composite structures under increasing loads are analysed in details.]

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