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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Model Code 90 based methode for instantaneous deflections of concrete elements under combined bending and compression
Author(s): Fernández Prada, M.A.; Fragueta Cerdá, F.; Miguel Sosa, P.F.
Appears on pages(s): 37 - 44
Abstract:Model Code 90 establishes, for deflections, general bases for the behaviour of cracked concrete in the field of elements under combined bending and compression. Neverthless, this formulation arrived at needs considerable calculation. A more simplified method proposed by CEB Manual on Cracking and Deformations is refered in the Model Code 90. This bilinear method leads to differences, in relation to the general method, up to 50% of the deflection. In this paper a simplified expression for the mean curvature for computing deflection is proposed. This expression depends on the simple bending values of the characteristics of the section, hence, of easy evaluation. Moreover, anew bilinear method based on the interpolation between deflections in the cracked and the uncracked hypotesis, with axial compression, is described.
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