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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: Study of time-dependent effects in craked sections using the multilayer model
Author(s): Iglesias Pérez, C.
Appears on pages(s): 27 - 62
Abstract:This paper summarizes the principal results of a thesis whose objective is to set up a model for the service analysis of concrete structures, accounting for delayed effects of creep and self-induced and superimposed deformations. The multilayer model is developed assuming the Navier Law wich relates the analysis at a "cross-section level" with the global analysis at a "structure level". The multilayer model permits to take into account cracking at a "cross-section level", although the assumption of vertical cracking restricts its application to beams in bending. The tension-stiffening effect is considered in a general step-by-step analysis, establishing the self-stress equilibrium in every time interval. This method of analysis may be classified among stress relaxation procedures, from which follows the implementation of a model, that has been checked at a sec-tion level, at a structure level and compared with creep tests.
ACI International Partner, ACHE Spain, International Partner Access.
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