Sulfuric acid resistance of high-volume fly ash concrete |
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Authors: | Serdar Ayd?n Halit Yaz?c?Hüseyin Yi?iter Bülent Baradan |
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Affiliation: | Department of Civil Engineering, Engineering Faculty, Dokuz Eylül University, 35160 Buca, Izmir, Turkey |
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Abstract: | The effects of ASTM Class C fly ash incorporation on mechanical properties and sulfuric acid resistance of concrete has been investigated within the scope of this study. Cement was replaced with fly ash up to 70%. Test results indicate that sulfuric acid resistance of steam-cured concrete could be improved significantly by incorporation of fly ash. Under standard curing conditions, the strength values of high-volume fly ash concretes were satisfactory except 1-day strength. Curing by steam helped to increase the 1-day strength values. However, long-term strength values decreased significantly for concrete mixtures over 30% of fly ash replacement levels. |
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Keywords: | Fly ash Sulfuric acid resistance Mechanical properties Thermal treatment |
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