This study investigates the influence of nano-clay on the properties of alkali-activated water-cooled slag geopolymer, aiming to enhance its mechanical performance and durability. Alkali-activated materials have garnered significant attention as sustainable alternatives to conventional cement due to their lower carbon footprint and superior resistance to environmental degradation. In this research, varying proportions of nano-clay were incorporated into the geopolymer matrix, and a series of experiments were conducted to assess the resulting mechanical properties, including compressive strength, flexural strength, and workability.

Additionally, the microstructural characteristics were analyzed using techniques such as scanning electron microscopy (SEM) and X-ray diffraction (XRD) to elucidate the effects of nano-clay on the geopolymer formation process and bonding mechanisms. The results indicate a marked improvement in mechanical properties with optimal nano-clay incorporation, alongside enhanced durability against chemical attacks and freeze-thaw cycles. This study contributes to the growing body of knowledge on the use of nano-materials in geopolymer technology, highlighting the potential for developing high-performance, eco-friendly construction materials.

Nano-clay, alkali-activated, water-cooled slag

Davidovits J.Chemistry of geopolymeric systems, in: Terminology.Geopolymer’99Second International Conference, Saint-Quentin, France.1999;9–39.

Krivenko PV.Peculiarity of formation of the contact zone (slag alkaline cement–mineral wool). In: Cement and Concrete Technology in the 2000, Second InternationalSymposium, 6–10 September, Istanbul, Turkey.2000;553–561.

HabertG,de Lacaillerie J,Roussel N. An environmental evaluation of geopolymerbased concrete production: reviewing current researchtrends. Journal of CleanerProduction,2011;11:1229-1238.

McLellan B, Williams R, Lay J, Van Riessen A, Corder G. Costs and carbon emissionsfor geopolymer pastes in comparison to ordinary Portland cement. J Cleaner Prod.2011;19:1080–90.

Hasanbeigi A, Price L, LinE. Emerging energy-efficiency and CO2 emission-reductiontechnologies for cement and concrete production: A technical review. Renewable andSustainable Energy Reviews.2012;16:6220–6238.

AliM,SaidurR,Hossain M. A review on emission analysisin cement industries.Renewable and Sustainable Energy Reviews. 2011;15:2252–2261.

DavidovitsJ.Geopolymer cement to minimize carbon-dioxide green house warming.Ceram Trans. 1993; 37:165–82.

Wang SD,Scrivener KL.Hydration products of alkali activated slag cement.Cem.Concr. Res.1995; 25:561–571.

AiuM.The Chemistry and Physics of Nano-Cement.Loyola Mary mount University,Advisor: Dr. C.P. Huang Submitted to: NSF-REU University of Delaware August 11,2006.

Li H, Xiao H,Ou Jin-ping.Microstructure ofcement mortar with nano particles.Composites: Part B.2004;35:185-189.

Ginebra MP,Driessens FCM,Planell JA.Effect of the particle size on the micro andnano structural features calcium phosphate cement: a kinetic analysis. Biomaterials.2004;25:3453-3462.

Zins D,Cabuil V,MassartR.New aqueous magnetic fluids. Journal of MolecularLiquids. 1999;83:217-232.

Ge Z,GaoZ.Applications of Nanotechnology and Nano materials in Construction.First International Conference on Construction In Developing Countries (ICCIDC-I)“Advancing and Integrating Construction Education, Research & Practice” August 4-5,Karachi, Pakistan;2008.

Hanehara S,Ichikawa M.Nanotechnology of cement and concrete.Journal of theTaiheiyo Cement Corporation.2001;141:47-58.

15. ScrivenerKL.Nanotechnology and cementitious materials. In: Nanotechnology inconstruction: proceedings of the NICOM3 (3rd international symposium onnanotechnology in construction). Prague, Czech Republic.2009;37–42.

Sobolev K,Ferrada-Gutiérrez M.How nanotechnology can change the concrete world:part 2. Am Ceram Soc Bull.2005;84(11):16–9.

Sobolev K,Shah SP.SP-254 Nanotechnology of concrete: recent developments andfuture perspectives. Detroit: American Concrete Institute; 2008.

Bartos PJM, de Miguel Y andPorro A, editors, NICOM: 2nd international symposiumon nanotechnology for construction. Bilbao, Spain: RILEM Publications SARL; 2006.

Bittnar Z,Bartos PJM,Nemecek J,Smilauer V,Zeman J editors. Nanotechnology inconstruction.Proceedingsof the NICOM3(3rdinternational symposium onnanotechnology in construction). Prague, Czech Republic: Springer-Verlag BerlinHeidelberg. 2009;438.

Jayapalan AR,Kurtis KE.Effect of nano-sized titanium dioxide on early age hydrationof Portlandcement.In: Bittnar Z, Bartos PJM, Nemecek J, Smilauer V, Zeman J,editors. Nanotechnology in construction: proceedings of the NICOM3 (3rd internationalsymposium on nanotechnology in construction). Prague, Czech Republic. 2009;267–73.