Abstract
The effectiveness of concrete-filled steel tubular (CFST) sections as compression and flexural members has been investigated by many authors. The combined utilization of CFST columns and steel beams has increased in composite building construction in recent years, but combined use of CFST columns and CFST beams is still unexplored. To explore their potential as part of CFST frame structures, two types of connections using extended end plate and seat angle are proposed for exterior joints of CFST beams and CFST columns. The performance of the proposed bolted connections subjected to static loads has been investigated by executing an experimental program involving eight specimens of exterior beam-to-column joints subjected to monotonically increasing load applied at the free end of the beam. The performance is appraised in terms of load deformation behaviour and failure modes of joints with varying test parameters like the beam section type, length and diameter of bolts. Finite element analysis for the applied load has been performed using ATENA-3D software, and the behaviour of the connections is investigated. The FE simulation results are compared with experimental test data to verify the FE model.
Published Version
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