Long term durability properties of concrete modified with metakaolin and polymer admixture

Al Menhosh, A; Wang, Y; Wang, Y; Augusthus Nelson, L

Abstract

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.

Citation

Al Menhosh, A., Wang, Y., Wang, Y., & Augusthus Nelson, L. (2018). Long term durability properties of concrete modified with metakaolin and polymer admixture. Construction and Building Materials, 172, 41-51. https://doi.org/10.1016/j.conbuildmat.2018.03.215

• Journal Article Type: Article
• Acceptance Date: Mar 21, 2018
• Online Publication Date: Mar 30, 2018
• Publication Date: Mar 30, 2018
• Deposit Date: Apr 3, 2018
• Publicly Available Date: Mar 30, 2019
• Journal: Construction and Building Materials
• Print ISSN: 0950-0618
• Publisher: Elsevier
• Volume: 172
• Pages: 41-51
• DOI: https://doi.org/10.1016/j.conbuildmat.2018.03.215
• Publisher URL: http://dx.doi.org/10.1016/j.conbuildmat.2018.03.215
• Related Public URLs: https://www.journals.elsevier.com/construction-and-building-materials