Abstract
The paper presents a study of the transverse bending behaviour of corrugated web beam with and without web openings. Examined steel beams consist of two flanges and a thin triangularly corrugated web, connected by automatic welding. In the literature, the influence of web opening over transverse load carrying capacity was dealt with mostly for steel beams with plane, sinusoidal and trapezoidal corrugated webs, so researches of beams with triangularly corrugated webs were found out to be very limited. A parametric study is carried out for various web slenderness and corrugation densities. A general-purpose finite element analysis software ABAQUS was used. The corrugation densities adopted in this study represent practical geometries, which are commonly used for such structures in building practice. Models with and without web openings were analysed and examined in terms of load-deformation characteristics and ultimate web shear resistance. Recommendations are given for the practical design of corrugated web beams weakened by circular openings.
Highlights
Corrugated web beams are fabricated structures with a thin-walled corrugated web and flanges made of plate steel
To normalize results obtained from Finite element analysis (FEA) in this study was calculated reduction factor
O that is shows the effect of the web opening on the transverse load carrying capacity of the beam
Summary
Corrugated web beams are fabricated structures with a thin-walled corrugated web and flanges made of plate steel. In recent years there have been several publications on a similar topic by De’nan and Mustar in 2012 [7], by Krishnarani and Mohanan in 2016 [8] and by Krishnarani and Krishna in 2016 [9], by De’nan, Hasan and Keong in 2017 [10] In these papers, beams with a triangular corrugated and simultaneously perforated web are considered. Beams with a triangular corrugated and simultaneously perforated web are considered In these works, the openings in the web are considered primarily to reduce the weight of the whole structure. A numerical parametric study was carried out for supported corrugated web beams with web opening in zone of transverse bending – see fig. Beam models were examined in terms of the ultimate shear resistance and load-deformation characteristics of the structure
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