Abstract
To research the mechanical behaviour of the novel composite beam with concrete filled steel tubular (CFST) truss, an experimental study of simple composite beam subjected to monotonic loading is described. A test program was developed to investigate failure models and working mechanism of the typed composite structure. Load-deformation curves, deflection regulation, strain distribution of beam were analyzed and asserted. The experimental and analytic results show that the typed composite beam has high strength, excellent ductility, and torsion performance. It can be used the large span bridges and high rise buildings.
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