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Hybrid structures are highly efficient and economical. In particular, modular solutions with tubular columns combined with horizontal light-weight girders made of cold-formed steel sections may provide a cheap and efficient system. In order to simplify the on-site erection phases, a novel plug and play joint has been proposed within the RFCS INNO3D joints project to enable industrialized and modular solutions that ensure fast-track construction and increase the quality of the finished product. The aim of this paper is the investigation of both the monotonic and cyclic behavior of this type of joint by finite element analyses. Thus, an advanced numerical model was developed and validated against experimental results performed within the INNO3D research project. The results show for a large rotational value and increase of the joint stiffness due by the contact between the joint components.

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