Effect of using colemanite and basalt fiber on the mechanical properties of metakaolin-based geopolymer mortars

Year 2018, , 235 - 241, 20.04.2018

Nawar Ali , Orhan Canpolat , Mukhallad M. Al-mashhadani Yurdakul Aygörmez Mucteba Uysal

https://doi.org/10.29187/jscmt.2018.25

Cited By: 1

Abstract

In the current studies which focus on the impact of CO2 emissions that released from the cement industry, showed the importance

of finding alternative binders other than cement like geopolymer. This paper presented metakaolin based geopolymer which was

manufactured by partially replacing metakaolin with colemanite with different percentages (10%, 20%, and 30%), to investigate

the effect of colemanite on the mechanical properties of geopolymer. Then a comparison was carried out between non-fibrous

specimens and basalt fiber reinforced ones to evaluate the improvement in terms of flexural and compressive strength of

metakaolin-based geopolymer. The results showed that replacing metakaolin with 10% colemanite and adding 1% basalt fiber

achieved 28.17% improvement in flexural strength at age 7 days compared to the reference sample.

Keywords

Geopolymer, Metakaolin, Colemanite, Basalt Fibers

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