Abstract
AbstractThis paper is a study on the behaviour of a composite joint between a steel beam and a concrete encased steel composite column, where the steel beam is connected to a steel column by a fin‐plate connection and the steel column and joint are subsequently encased by reinforced concrete to form a composite column. This joint is named “embedded joint”. Although this type of joints is designed as a simple pin joint in practice, it can transfer a fair amount of shear force and bending moment primarily through bearing stress between the steel beam and the surrounding concrete. To propose a rational joint behavioural model in line with the current Eurocodes, the bearing component of base plate connections shown in EN1993‐1‐8 is firstly applied. The proposed model is then compared with full‐scale joint loading tests to verify its accuracy in predicting the rotational stiffness and the moment resistance.
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