chloride accelerated test: influence of silica fume, water/binder ratio and concrete cover thickness

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Abstract
In developed countries like the UK, France, Italy and Germany, it is estimated that spending on maintenance and repair is practically the same as investment in new constructions. Therefore, this paper aims to study different ways of interfering in the corrosion kinetic using an accelerated corrosion test - CAIM, that simulates the chloride attack. The three variables are: concrete cover thickness, use of silica fume and the water/binder ratio. It was found, by analysis of variance of the weight loss of the steel bars and chloride content in the concrete cover thickness, there is significant influence of the three variables. Also, the results indicate that the addition of silica fume is the path to improve the corrosion protection of low water/binder ratio concretes (like 0.4) and elevation of the concrete cover thickness is the most effective solution to increase protection of high water/binder ratio concrete (above 0.5).
Reference Key
pereirarevistachloride Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;E. Pereira;A. Resende;M. H. F. de Medeiros;L. C. Meneghetti
Journal psychotherapies
Year Year not found
DOI
10.1590/S1983-41952013000400004
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1983-41952013000400004&lng=en&tlng=en
Keywords
corrosion water

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