期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 172, 期 -, 页码 41-51出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2018.03.215
关键词
Metakaolin; Polymer; High Performance Concrete; Durability
资金
- Iraqi Ministry of Higher Education and Scientific Research Scholarship Program
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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