Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 172, Issue -, Pages 41-51Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2018.03.215
Keywords
Metakaolin; Polymer; High Performance Concrete; Durability
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Funding
- Iraqi Ministry of Higher Education and Scientific Research Scholarship Program
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Previous studies show that both metakaolin (MK) and polymer can respectively improve certain mechanical and durability properties of concrete. Also, recent studies show that a combination of MK and polymer further enhances the mechanical properties by complement of each other. However, the knowledge of the effect on durability, a critical governing factor of concrete for the applications in extreme environments such as sewage, off-shore and bridge structures, has not been well established yet. This paper reports on a comprehensive study of the effect of metakaolin as a supplementary cementitious material together with polymer as admixture on the durability of concrete at relatively old ages. The results confirm that replacing Portland cement with 15% metakaolin and an additional 5% polymer (by weight) provide the optimum improvement for Portland cement concrete on both mechanical properties and durability. (C) 2018 Elsevier Ltd. All rights reserved.
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