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Shear lag in composite box girders of complex cross-sections
AbstractThe authors have previously proposed a method for analysing the effects of shear lag in single-cell composite box girders. In this present paper the harmonic method is extended to consider girders of more general and complex multicellular, composite cross sections. The proposed extensions allow the basic simplicity of the approach to be retained so that the method is still regarded as an ideal design aid. The accuracy of the method is established by comparison with results obtained from a finite element analysis and from a careful series of experiments; values from BS5400 are also included in the comparison. The paper concludes by using the harmonic method in a parametric study which illustrates the influence of certain key parameters upon the extent of the shear lag effect.
Shear lag in composite box girders of complex cross-sections
AbstractThe authors have previously proposed a method for analysing the effects of shear lag in single-cell composite box girders. In this present paper the harmonic method is extended to consider girders of more general and complex multicellular, composite cross sections. The proposed extensions allow the basic simplicity of the approach to be retained so that the method is still regarded as an ideal design aid. The accuracy of the method is established by comparison with results obtained from a finite element analysis and from a careful series of experiments; values from BS5400 are also included in the comparison. The paper concludes by using the harmonic method in a parametric study which illustrates the influence of certain key parameters upon the extent of the shear lag effect.
Shear lag in composite box girders of complex cross-sections
Evans, H.R. (author) / Ahmad, M.K.H. (author) / Kristek, V. (author)
Journal of Constructional Steel Research ; 24 ; 183-204
1992-04-27
22 pages
Article (Journal)
Electronic Resource
English
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