Influence of granitic aggregates from northeast Brazil on the alkali-aggregate reaction

Influence of granitic aggregates from northeast Brazil on the alkali-aggregate reaction

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The alkali-aggregate reaction (AAR) in concrete structures is a problem that has concerned engineers and researchers for decades. This reaction occurs when silicates in the aggregates react with the alkalis, forming an expanded gel that can cause cracks in the concrete and reduce its lifespan. The a...

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Bibliographic Details
Main Authors: David de Paiva Gomes Neto, Herbet Conceição, Vinícius Anselmo Carvalho Lisboa, Rodrigo Soares de Santana, Ledjane Silva Barreto
Format: Article
Language:English
Published: Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol) 2014-04-01
Series:Materials Research
Subjects:
granitic aggregates
alkali-aggregate reaction
petrographic analysis
microcrystalline quartz
silica dissolution
mortar bar expansion
Online Access:http://www.scielo.br/pdf/mr/v17s1/aop_matres_218113.pdf

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