Parametric analysis of AAR influent factors on thin-walled columns

Madureira, Edmilson Lira; Rodrigues, E. C.

Parametric analysis of AAR influent factors on thin-walled columns

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dc.contributor.author	Madureira, Edmilson Lira
dc.contributor.author	Rodrigues, E. C.
dc.date.accessioned	2020-10-16T20:15:23Z
dc.date.available	2020-10-16T20:15:23Z
dc.date.issued	2015
dc.description.resumo	The chemical reaction involving the alkalis of the cement and some minerals of the concrete aggregates, the Alkali-Aggregate Reaction or, simply, the AAR, promotes swelling and material damages. Despite the development stage of the researches on this pathology effects, its solution modeling still lacks refinement. The numerical simulation is an important resource for the structural damages evaluation due to AAR, and their repairs. The aim of this work is the numerical simulation of concrete thin-walled columns, affected by the AAR, from the finite element approximation on an orthotropic nonlinear framework, and a thermodynamic model designed to the assessment of the AAR swelling, with highlight on the compressive stress, the reinforcement and the temperature influences on the phenomenon. The obtained results revealed that the AAR induced the concrete strength decrease and the consequent reduction in preventive safety margin to the material failure, being more precocious at higher temperatures	pt_BR
dc.identifier.citation	MADUREIRA, E. L.; RODRIGUES, E. C.. Parametric analysis of AAR influent factors on thin-walled columns. Revista IBRACON de Estruturas e Materiais, v. 8, p. 591-603, 2015. Disponível em: https://www.scielo.br/scielo.php?script=sci_arttext&pid=S1983-41952015000500003&lng=en&tlng=en. Acesso em: 06 out. 2020. https://doi.org/10.1590/S1983-41952015000500003	pt_BR
dc.identifier.doi	10.1590/S1983-41952015000500003
dc.identifier.issn	1983-4195
dc.identifier.uri	https://repositorio.ufrn.br/handle/123456789/30440
dc.language	en	pt_BR
dc.publisher	Revista IBRACON de Estruturas e Materiais	pt_BR
dc.rights	Attribution 3.0 Brazil	*
dc.rights.uri	http://creativecommons.org/licenses/by/3.0/br/	*
dc.subject	Simulation	pt_BR
dc.subject	Alkali-aggregate reaction	pt_BR
dc.subject	Column	pt_BR
dc.subject	Temperature	pt_BR
dc.title	Parametric analysis of AAR influent factors on thin-walled columns	pt_BR
dc.type	article	pt_BR