Influence of flange stiffness on shear capacity of sinusoidal profiled web girder using finite element method

Abstract

A finite element analysis had been done to study the influence of the flange stiffness on shear capacity of sinusoidal profiled web girder. A three-dimensional finite element model is proposed using LUSAS (version 13.6) software and compare to other related research and BS5950 Part 1. A parametric study was carried out on the sinusoidal web regarding the flange dimensions and the thickness and the aspect ratio of the web. Several models had been tested to compare the shear capacity of sinusoidal profiled web girder with the conventional flat web girder. The flange was designed in different dimension but the web was kept constant. The results show that the sinusoidal profiled web girder could carry higher ultimate shear capacity as compared to the conventional flat web girder. A parametric study showed the difference flange thickness has not great influence in shear capacity of the girder. For the models designed with aspect ratio less than one could support high shear capacity as compared to the aspect ratio more than one.