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INTERNATIONAL JOURNAL OF SCIENTIFIC DEVELOPMENT AND RESEARCH International Peer Reviewed & Refereed Journals, Open Access Journal ISSN Approved Journal No: 2455-2631 | Impact factor: 8.15 | ESTD Year: 2016 open access , Peer-reviewed, and Refereed Journals, Impact factor 8.15 |
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| Paper Title: | Application of Response Surface Methodology for Optimization of Alkali Activated Slag Concrete |
| Authors Name: | Bhookya Giridhar Ramkumar , Suresh Barmavath , Kurapati Nagaraju |
| Unique Id: | IJSDR1703007 |
| Published In: | Volume 2 Issue 3, March-2017 |
| Abstract: | Alkali-activated aluminosilicates, commonly known as "geopolymers", are being increasingly studied as a potential replacement for Portland cement. These binders use an alkaline activator, typically alkali silicates, alkali hydroxides or a combination of both along with a silica-and-alumina rich material, such as fly ash or slag, to form a final product with properties comparable to or better than those of ordinary Portland cement. The research focuses on the strength properties of alkali activated slag (AAS) and fly ash based geopolymer concrete called alkali activated slag concrete. It is concluded that AAS and fly ash based alkali activated slag concretes can exhibit comparable strength to OPC and slag-blended OPC concretes. The cost and ecological analysis of alkali activated slag concretes, if designed rationally by careful selection of ingredients and their proportions of Alkali Activator Solution (AAS), can have lower contents of ecologically important factors such as Embodied Energy (EE) and Embodied Carbon dioxide Emission (ECOE) and thus lower carbon footprint, compared to conventional concretes (CCs). The strength properties of alkali activated slag concretes are compared by using Response surface methodology (Minitab software).The basic properties of alkali activated slag concretes, namely compressive strength, flexural strength and split tensile strength which in turn depends on the process of parameters, such as amount of fly ash content ,dosage of sodium oxide and activator modulus. The relationships of these input parameters with the properties of the Geopolymer concrete are complex in nature. Design of experiments (DOE) with response surface methodology was used to develop the said input–output relationships. |
| Keywords: | Sodium hydroxide, Sodium silicate, Fly ash, GGBFS, Steel slag, |
| Cite Article: | "Application of Response Surface Methodology for Optimization of Alkali Activated Slag Concrete ", International Journal of Science & Engineering Development Research (www.ijsdr.org), ISSN:2455-2631, Vol.2, Issue 3, page no.35 - 47, March-2017, Available :http://www.ijsdr.org/papers/IJSDR1703007.pdf |
| Downloads: | 000337073 |
| Publication Details: | Published Paper ID: IJSDR1703007 Registration ID:170058 Published In: Volume 2 Issue 3, March-2017 DOI (Digital Object Identifier): Page No: 35 - 47 Publisher: IJSDR | www.ijsdr.org ISSN Number: 2455-2631 |
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