Synergetic Effect of Ethylene Glycol for Production of Hybrid Sustainable Geopolymer Concrete | ||
| Egyptian Journal of Chemistry | ||
| Volume 65, Issue 132, December 2022, Pages 1205-1212 PDF (1.06 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejchem.2022.168002.7075 | ||
| Authors | ||
| Huda M. Alnajjar* 1; H. M. Khater1; N.O. Shaker2; Awatef A. Farag2 | ||
| 1Housing and Building National Research Centre (HBNRC), 87 El-Tahrir St., Dokki, Giza, P.O. Box 1770 Cairo, Egypt. | ||
| 2Department of Chemistry, Faculty of Science, Al-Azhar University, Nasr City, Cairo, Egypt. | ||
| Abstract | ||
| The world is facing the challenges of global warming and climate changes. Cement industry is responsible for some of the major CO2 emissions, so it is vital to discover an alternative to ordinary Portland cement (OPC). Geopolymer technology can offer a viable solution towards this target where 80% to 90% reduction in CO2 emission can be achieved by the substituting of (OPC) with geopolymer. The aim of this study is the development of ground granulated blast furnace slag with metakaolin (GGBFS-MK) based geopolymer concrete and examination of the possibility of its usage in the building sector as long-term structural materials. Ethylene glycol (EG) was used to create hybrid organic and inorganic geopolymer composites. The results of the research revealed that GGBFS-MK based geopolymer can be developed, and its physical/mechanical properties were shown to have a very good performance after adding (EG) in different ratios 0.5,1, 1.5, 2, 2.5 % from the total binding weight. According to varied experimental tests FTIR (Fourier transformer infra-red), XRD (X-ray diffraction), and SEM (scanning electron microscope), compressive strength and thermal resistance, the best ratio was found to be 0.5% (EG) which submits a good workability, was not easily affected by temperature changes and gives strength higher than control which gave (66.73, 69.11, 81.93) MPa while using 0.5% (EG) gave (81.12, 85.52, 116.75) MPa at 7, 28 and 90 days of curing respectively. | ||
| Keywords | ||
| Geopolymer; Ethylene glycol; Composites; Strength; Hybrid | ||
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