Effect of Rolled Steel Sections as Main Reinforcement on Structural Properties of Beams
Journal Title: International Journal of engineering Research and Applications - Year 2017, Vol 7, Issue 10
Abstract
Composite members as structural element made up of concrete and steel which provides high performance and speedy construction. The composite beams has other advantage also such as increased fire resistance, increased load carrying capacity, stiffness in local buckling, Hence composite construction requires less steel and gives economical designs and Stiffness in bending as compared to Reinforced concrete beam. Also basic requirement of high rise construction is ductility of framed structure. There is lot of congestation of reinforcement in beam column joint which poses problem in maintaining the joint ductile. Hence to overcome such problem rolled steel sections are used as main reinforcement in place of normal tmt steel bars. To study the effect of rolled steel section – angle section and channel sections as main reinforcement on structural properties of beams such as ultimate load carrying capacity and deflection, flexure and shear strength experimentally as well as analytically using Ansy‟s 14.5 software. This research deals with the study of Concrete beam encased with rolled steel angle section and channel section as main reinforcement in place of conventional HYSD tmt steel experimentally as well as analytically using Ansys software. Such beams with composite action of rolled steel and concrete, proves to be an economical and effective alternative to more traditional structural systems where normal tmt steel is used as main reinforcement. Hence increase in ductility may be achieved by using such composite members and reduction in weight of structure can also be achieved, which in turn reduces lateral forces due to earthquake. For the analytical approach to the problem, a three-dimensional (3D) Finite Element (FE) model was created, using solid elements with material, geometrical and interfacial non-linearity. The effect of change in stirrups spacing is studied experimentally as well as analytically. For this study, the cross sectional dimensions of the beam, percentage of tension reinforcements is kept the same and spacing of stirrups is varied. The objective is to study the ultimate load carrying capacity, modes of failure and load deflection behavior of composite beams and there after compare the results experimentally as well as analytically. Also, comparison of load carrying capacity of „Concrete Encased Composite Beams‟ with and without shear reinforcement is carried out.
Authors and Affiliations
Neelima Khare Varma, Vinaykumar C. H
Keywords
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- EP ID EP392529
- DOI 10.9790/9622-0710021115.
- Views 61
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