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Effects of mix composition and water-cement ratio on the sulfate resistance of blended cements
Date
2007-03-01
Author
Sahmaran, M.
Kasap, O.
Duru, K.
Yaman, İsmail Özgür
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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This paper presents an experimental investigation on the sulfate resistance of blended cements containing various amounts of natural pozzolan and/or Class-F fly ash. The performance of blended cements was monitored by exposing the prepared mortar specimens to a 5% Na2SO4 Solution for 78 weeks. For comparison, an ordinary Portland cement (produced with the same clinker as blended cements) and it sulfate resistant Portland cement (produced from a different clinker) were also used. In addition to the cement chemistry, water-cement (w/c) ratio of mortars was another parameter selected that will presumably affect the performance of mortars. The experimental results of expansion measurements showed that the effect of w/c ratio was more pronounced for the low sulfate resistant cements with higher C(3)A amounts, while the blended cements were less affected by an increase in the w/c ratio.
Subject Keywords
Blended cement
,
Sulfate attack
,
Fly ash
,
Natural pozzolan
URI
https://hdl.handle.net/11511/45959
Journal
CEMENT & CONCRETE COMPOSITES
DOI
https://doi.org/10.1016/j.cemconcomp.2006.11.007
Collections
Department of Civil Engineering, Article
Citation Formats
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BibTeX
M. Sahmaran, O. Kasap, K. Duru, and İ. Ö. Yaman, “Effects of mix composition and water-cement ratio on the sulfate resistance of blended cements,”
CEMENT & CONCRETE COMPOSITES
, vol. 29, no. 3, pp. 159–167, 2007, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/45959.