| Improvement of Concrete Properties and Reinforcing Steel Inhibition Using a Natural Product Admixture |
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| 收稿时间： | 1996-03-28 |
Improvement of Concrete Properties and Reinforcing Steel Inhibition Using a Natural Product Admixture |
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| Authors: | SH Tantawi IZSelim |
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| Affiliation: | S.H. Tantawi (Building Research Institute,Dokki,Cairo,Egypt)I.Z.Selim (Physical Chemistry Dept.,National Research Center,Dokki,Cairo,Egypt (To whom correspondence should be addressed) |
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| Abstract: | The use of a natural white juice, taken from magrabe banana stem, as concrete admixture to improve mechanical and physicrvchemical properties of concrete has been studied. The compressive strength, bulk density the free lime liberated during hydration and the combined water content were determined. The results indicate that the admixture acts as a retarder in most cases and as accelerator in some ones. Also, the admixture effect on the corrosion resistance of the reinforcing steel against surrounding aggressive media has been investigated using galvanostatic polarization technique. The addition of 0.2% admixture leads to the more inhibition of the steel |
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