Análise de concretos com não conformidades: efeitos de longa duração
| Author(s): |
B. Fernandes
R. Christ U. Quinino B. Tutikian |
|---|---|
| Medium: | journal article |
| Language(s): | Portuguese |
| Published in: | Revista ALCONPAT, 30 September 2016, n. 3, v. 6 |
| Page(s): | 262 |
| DOI: | 10.21041/ra.v6i3.154 |
| Abstract: |
The paper aims to contribute to the analysis of non-conformity concrete, focusing on long time effects. A review of compressive strength evolution, results variability and acceptance criteria was made. In addition, it is presented a case study of a nonconforming concrete used in composite structures (concrete-filled steel columns) that present 28-day strength below the specified. Considering long time effects, a nominal strength gain above the limits considered in technical standards was observed. This analysis, associated with a revision of the structural design and a carefully assessment, could help decision taking in case of non-conformity concretes. Keywords:non-conforming, strength gain, structural safety. |
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24/11/2019
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