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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: Second order time-dependent analysis of concrete slender compressed members. Linear viscoelastivity formulation, approaches for creep consideration and practical conclusions
Author(s): Murcia Vela, J.
Appears on pages(s): 9 - 28
Abstract:In this paper a second order and delayed analsis of a slendder member, composed by a linear viscoelastic material, in bending and compression, is made for applying to concrete; for that, different assumptions for creep effects (due to initial moments, due to present moments, wheighted for both, using an equivalent global modulus E*) are used, deriving from them several approaches, showing interesting phenomenta (i.e. non linear interaction between creep and second order effects, critical load reductin with time, etc.), that are analyzed and compared. Concluding, it is underlined, when a good precision required, the general need of a more accurate step by step analysis along time, due to the high non linearity involved in the whole problem.
ACI International Partner, ACHE Spain, International Partner Access.
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