Abstract

A research of new connection method due to axially static loading on the cold-formed steel in civil engineering structures has been investigated. Joint failure was modeled with a cohesive zone model (CZM) approach where the governing parameters were determined from fracture mechanics test specimens. The incremental in capacity strength of cold-formed steel single lap joints (SLJs) was successfully predicted. Video microscope records carried out on the failure surface of the joints in experimental works. The modeling results have a good correlation with the experimental works. Strength capacity deviation of experimentation to FEM are 21.93%, 18.5%, 36.3%, 12.47% and 4.03% for srew, epoxy resi adhesive, polyester resin adhesive, combination screw with epoxy resin and combination screw with polyester resin connections.

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