2017
DOI: 10.6008/spc2318-3055.2017.001.0001
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Efeitos de adições minerais para mitigação de reações álcali-agregado no concreto: estado da arte

Abstract: O concreto é um material de construção civil que tem seu uso disseminado no mundo todo. Alguns fatores, como a escolha de materiais e manuseio inadequados, assim como a exposição a ambientes agressivos, podem gerar patologias nesse material. A deterioração, por exemplo, pode ocorrer na parte interna do material, como é o caso da reação álcali-agregado (RAA), onde os álcalis que existem na pasta de cimento interagem com os minerais reativos do agregado. Esse tipo de reação pode resultar em um gel expansivo, ond… Show more

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Cited by 2 publications
(2 citation statements)
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“…Based on this, greater caution is suggested regarding certain uses of this replacement percentage, such as, for example, its use in concrete for foundation elements. A safer alternative may be its use combined with mitigating materials such as mineral additions and pozzolanic materials. , …”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Based on this, greater caution is suggested regarding certain uses of this replacement percentage, such as, for example, its use in concrete for foundation elements. A safer alternative may be its use combined with mitigating materials such as mineral additions and pozzolanic materials. , …”
Section: Resultsmentioning
confidence: 99%
“…A safer alternative may be its use combined with mitigating materials such as mineral additions and pozzolanic materials. 21,22 3.5. Characterization through Solubilization and Leaching.…”
Section: Alkali Aggregate Reactionmentioning
confidence: 99%