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        Shear strength of steel beams with trapezoidal corrugated webs using regression analysis

        Samer Barakat,Ahmad Al Mansouri,Salah Altoubat 국제구조공학회 2015 Steel and Composite Structures, An International J Vol.18 No.3

        This work attempts to implement multiple regression analysis (MRA) for modeling and predicting the shear buckling strength of a steel beam with corrugated web. It was recognized from theoretical and experimental results that the shear buckling strength of a steel beam with corrugated web is complicated and affected by several parameters. A model that predicts the shear strength of a steel beam with corrugated web with reasonable accuracy was sought. To that end, a total of 93 experimental data points were collected from different sources. Then mathematical models for the key response parameter (shear buckling strength of a steel beam with corrugated web) were established via MRA in terms of different input geometric, loading and materials parameters. Results indicate that, with a minimal processing of data, MRA could accurately predict the shear buckling strength of a steel beam with corrugated web within a 95% confidence interval, having an <i>R</i><sup>2</sup> value of 0.93 and passing the F- and t-tests.

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