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Technological development, thanks to which high-performance materials were  produced, allowed engineers to design elegant structures, which in the total  load have smaller share of dead weight. All this gave an opportunity to  bridge the large spans. Technological development is accompanied by the  development of powerful computer software that is able to, in the phase of  construction modelling, include many parameters. Thanks to that, designers  have a better insight into how elements behave under load, and they are able  to choose how to use material and exploit their good characteristics.  Composite structures, formed by coupling of steel and concrete, rank among  the modern structures. Their advantage lies in the fact that the steel part  of the cross-section takes part in tensile stresses transfer, while the  concrete part, because of its massiveness, takes part in compressive stress  transfer. Redistribution of stresses in one composite cross-section depends  on many factors. In this paper, using finite element method, the influence of  number coupling points on the deformation of simply supported beam, with a  composite cross-section was analyzed. The span of the beam is 5m

Impact of the number of coupling points on values of composite beams deformations