Abstract
ABSTRACT A simple strut-and-tie macro-model has been developed to represent the seismic behaviour of a composite deck slab, acting as part of a steel moment-frame beam-column-slab joint. The moment frame is subject to large lateral deformations, representing those from a strong earthquake, and yielding occurs at the beam ends. The frame sub-assemblies were modelled as elastic line elements connected with non-linear/linear spring elements. The model behaviour was compared to experimental test results. It was found that the model developed satisfactorily represented the envelope cyclic behaviour of the test frame sub-assembly with the different slab configurations. It is easy to implement in practice using widely used commercial software available to practising engineers.
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