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Article . 2012 . Peer-reviewed
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Article . 2012
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https://dx.doi.org/10.60692/vm...
Other literature type . 2012
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Influência de materiais de proteção na resistividade elétrica do concreto

تأثير المواد الواقية على المقاومة الكهربائية للخرسانة
Authors: M. S. Santor; A.L.G. Gastaldini; Camila Crauss; Geferson Trajano dos Santos; Francesco Rossini;

Influência de materiais de proteção na resistividade elétrica do concreto

Abstract

A durabilidade das estruturas de concreto armado é resultado da ação protetora do concreto sobre a armadura. Quando a passivação do aço deixa de existir a estrutura torna-se vulnerável ao fenômeno da corrosão, cuja propagação, após iniciada é essencialmente controlada pela resistividade elétrica do concreto. O objetivo deste trabalho foi avaliar a alteração na resistividade elétrica de concretos produzidos com diferentes tipos de cimento, CP II F, CP IV e CP V, submetidos a tratamento superficial com produto obturador dos poros e argamassa polimérica. Para efeito de análise os resultados foram comparados com os mesmos concretos sem aplicação do produto. Esses tratamentos foram realizados em concretos confeccionados com resistências à compressão na idade de 28 dias de 21,6MPa, 26,6 MPa e 31,6 MPa. Para todos os tipos de cimento utilizados e níveis de resistência adotados o tratamento superficial com argamassa polimérica resultou em maiores valores de resistividade elétrica. Palavras chave: concreto; durabilidade; material de proteção superficial; resistividade elétrica.

Related Organizations
Keywords

Composite material, Building construction, resistividade elétrica, Physics, Concreto, durabilidade, FOS: Humanities, Reinforcement Corrosion in Concrete Structures, Pollution, Materials science, material de proteção superficial, Impact of Road Salt on Freshwater Salinization, Passivation, Humanities, Layer (electronics), Engineering, Physical Sciences, Environmental Science, TH1-9745, Reinforced Concrete, Art, Civil and Structural Engineering

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    selected citations
    These citations are derived from selected sources.
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    2
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
gold