A three-dimensional finite element model was developed using the commercial software ABAQUS [19], in order to simulate the behaviour of a steel–concrete composite beam with HSFGB shear connectors. The pertinent components include the concrete slab, steel beam, steel reinforcement and HSFGB shear connectors with washers. Both geometric and material non-linearity was con- sidered in the finite element analysis. Formulations of the model geometry, element types, material behaviour and the solution technique are challenging, and detailed descriptions are outlined in the following sub-sections.