2004
DOI: 10.4025/actascitechnol.v26i2.1512
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Aderência entre concreto auto–adensável de alta resistência e armadura

Abstract: RESUMO. Esta pesquisa propõe-se a estudar o comportamento da aderência entre o concreto auto-adensável de alta resistência (CAAAR) e as armaduras de aço. Compara-se este comportamento de aderência com aquele do concreto adensado mecanicamente de alta resistência (CAMAR), na idade de 7 dias. Relaciona-se ainda estes comportamentos com a resistência mecânica (resistência à compressão e à tração) e o módulo de elasticidade dos concretos em estudo, na mesma idade. A aderência entre os concretos e a armadura de aço… Show more

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Cited by 4 publications
(4 citation statements)
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“…According to the literature, SCC appears to improve the bond strength, due to its filling ability to involve the reinforcement. This improvement was not significant, but the experimental data proved the use of self-compacting concrete possess, at least, the same behavior of similar models made with ordinary concrete [7,11].…”
Section: Summary Of the Experimental Programmentioning
confidence: 99%
“…According to the literature, SCC appears to improve the bond strength, due to its filling ability to involve the reinforcement. This improvement was not significant, but the experimental data proved the use of self-compacting concrete possess, at least, the same behavior of similar models made with ordinary concrete [7,11].…”
Section: Summary Of the Experimental Programmentioning
confidence: 99%
“…According to the results, the behavior of both concretes is similar, but for specimens with 16 mm bars, CC presented higher bond strength. And, unlike [26], once the compression strength is the same, the concrete type (SCC or CC) does not affect the concrete prism failure mode…”
Section: Variability Of the Scc Bond Strengthmentioning
confidence: 99%
“…A study on the bond between steel bars and SCC and CC of similar compression strength in beams tests was also presented [26]. An adaptation of the Rilem beam test for bars of diameters less than 16mm was used to utilize available formworks.…”
Section: Variability Of the Scc Bond Strengthmentioning
confidence: 99%
“…A pequena variação mostra que os dados são representativos para a análise da resistência de aderência.A Figura 6.19 mostra os resultados correspondentes à tensão de aderência e os respectivos deslizamentos de cada viga da série C1. A resistência de aderência foi calculada de acordo com a formulação deIsa & Aguado (2003), ilustrado na Eq. 6.3.…”
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