Abstract
Application of composite structural systems have many benefits, such as a prefabrication and long span capability, but also the optimal utilisation of structural steel and concrete which is given particulary by implementation of cold-formed steel (CFS) elements. This paper presents numerical parametric analysis on an innovative solution of a composite floor structure system consisting of built-up CFS elements and slabs. Type of connection between CFS elements and the degree of shear connection had the most significant impact on LWT-FLOOR system behaviour, while the corrugated web thickness, spot weld density and considered steel beam heights had less influence on the analysed composite system behaviour.
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