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    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
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      <title>An Experimental Study on Corrosion Resistance of Concrete With Ground Granulate Blast-Furnace Slag</title>
      <link>https://trid.trb.org/View/758315</link>
      <description><![CDATA[This article reports on a study of the corrosion resistance of concrete containing ground granulate blast-furnace slag (GGBS) and ASTM Type I or ASTM Type V cement.  Rapid chloride permeability tests were conducted to determine the qualitative terms of chloride-ion penetrability. Accelerated chloride-ion diffusion tests were done to calculate diffusion coefficients of chloride-ions permeated through concrete specimens. Accelerated steel corrosion tests were carried out by using the repeated wetting and drying technique. Half-cell potential tests were undertaken to evaluate the probability of steel corrosion. Finally, the surface area of corrosion on embedded steel in concrete specimens was measured to confirm half-cell test results. Test results showed that the coefficient of permeability of Type I cement concrete was lower than that of Type V cement concrete. All the concrete mixed with GGBS exhibited lower diffusion coefficient, compared to GGBS-free concrete. Moreover, the corrosion probability of steel bar in Type V cement concrete was higher than that of steel bar in Type I cement concrete. The authors conclude that much stronger corrosion resistance can be achieved if higher volume of GGBS is added in Type I cement rather than Type V cement.]]></description>
      <pubDate>Fri, 22 Jul 2005 13:24:51 GMT</pubDate>
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