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Materials 2015, 8(4), 1459-1481; doi:10.3390/ma8041459

Durability Indicators Comparison for SCC and CC in Tropical Coastal Environments

1
CTAC, Department of Civil Engineering, University of Minho, Guimarães 4800-058, Portugal
2
Program of Civil Engineering, University of Pernambuco, Recife 50100-010, Brazil
3
Department of Civil Engineering, University of São Paulo, PhD Engenharia, São Paulo 05508-900, Brazil
*
Author to whom correspondence should be addressed.
Academic Editor: Javier Narciso
Received: 20 January 2015 / Revised: 16 March 2015 / Accepted: 17 March 2015 / Published: 27 March 2015
(This article belongs to the Section Manufacturing Processes and Systems)
View Full-Text   |   Download PDF [1729 KB, uploaded 27 March 2015]   |  

Abstract

Self-compacting concrete (SCC) demands more studies of durability at higher temperatures when subjected to more aggressive environments in comparison to the conventional vibrated concrete (CC). This work aims at presenting results of durability indicators of SCC and CC, having the same water/binder relations and constituents. The applied methodologies were electrical resistivity, diffusion of chloride ions and accelerated carbonation experiments, among others, such as microstructure study, scanning electron microscope and microtomography experiments. The tests were performed in a research laboratory and at a construction site of the Pernambuco Arena. The obtained results shows that the SCC presents an average electrical resistivity 11.4% higher than CC; the average chloride ions diffusion was 63.3% of the CC; the average accelerated carbonation penetration was 45.8% of the CC; and the average open porosity was 55.6% of the CC. As the results demonstrated, the SCC can be more durable than CC, which contributes to elucidate the aspects related to its durability and consequent prolonged life cycle. View Full-Text
Keywords: self-compacting concrete (SCC); conventional vibrated concrete (CC); durability self-compacting concrete (SCC); conventional vibrated concrete (CC); durability
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Calado, C.; Camões, A.; Monteiro, E.; Helene, P.; Barkokébas, B., Jr. Durability Indicators Comparison for SCC and CC in Tropical Coastal Environments. Materials 2015, 8, 1459-1481.

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