The effects of partial shear connection on composite steel-concrete beams subjected to combined flexure in Yemen

Abstract

Composite steel-concrete development has been broadly utilized the world over. Procedures for a definitive load examination and plan of composite steel-concrete beams are additionally established, and arrangements can be acquired without any difficulty. Nonetheless, beams under joined activities, for example, an edge or bent in plan beams exposed to torsion and flexure can be hard to find out their strengths and conduct because of their mind-boggling stress state. These impacts of consolidated activities are not right now tended to in the American Standard ACI 2327.1 (Standards America, 2007) or any their universal codes.Along these lines, this paper will exhibit a full-scale test arrangement to examine the conduct of straight and curved in plan composite steel-concrete beams exposed to torsion and flexure with the impact of partial shear connection. Push-out and material tests were completed to decide the material properties of every segment of the composite steel-concrete beams.Another advancement of a 3-D finite element model display utilizing ABAQUS equipped for simulating composite steel-concrete beams exposed to combined flexure and torsion with the impact of partial shear connection. From the comparisons, the models were approved with the experimental outcomes and demonstrated great assention as far as load-deflection reaction and ultimate strengths. Parametric research was then led to examine the conduct of the beams under the impacts of various beam span lengths and dimensions of shear connection by broadening the finite element model. From the examination, composite steel-concrete beams have demonstrated an expansion in the torsional and flexural limits with the increment in span length, while the partial shear connection has no critical impact on its strengths. Moreover, the rate of increment in the torsional strength additionally increments with span length. Disentangled structure models have been proposed to speak to the flexure-torsion interaction relationship for both straight and curved in plan composite steel-concrete beams.

Keywords: ABAQUS, Composite steel-concrete, Push out, failure mode, flexure strengths, torsion


Article Review Status: Published

Pages: 117-146 (Download PDF)

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