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  Scopus ID: 21100926589

Experimental Investigation on GGBS and Nano Silica Based Fiber Reinforced Geopolymer Concrete

Dhanalakshmi Ayyanar, M. Indhumathi Anbarasan, J. Ramprashath, S. Swathini and V. Ragavan

Abstract

Concrete is the most useful material for building. It is made up of different parts, such as ordinary Portland cement (OPC), fine aggregate, coarse aggregate, and water. In addition, some of the mineral admixtures were added to the concrete to help it work better. Due to huge needs of building industry, the amount of Portland cement made has been growing at a faster rate every year. Even though this huge amount of OPC production uses a lot of energy and contributes to global warming by releasing carbon dioxide. On the other hand, a lot of industrial waste is dumped in the land and sea. In this the geopolymer concrete is made from materials that come from the earth and by-products of industry, such as fly ash and ground granulated blast furnace slag (GGBS), which is high in alumina and silica. The main goal of the geopolymer concrete study was to describe the mechanical properties of geopolymer concrete and strength prediction of compressive strength was done with the help of Python. In this study, fly ash, GGBS, nano silica (NS), sodium hydroxide (NaOH), sodium silicate (Na2SiO4), M-sand, and natural coarse aggregates were used to make geopolymer concrete. Also, 0.25 and 0.5% of steel fibers with an aspect ratio of 60 and 70 were added to the mix. So, the focus of this study is on how adding steel fibers to geopolymer concrete affects its mechanical features, such as its compressive strength, split tensile strength, flexural strength, impact strength, and modulus of elasticity.

Published on: March 15, 2024
doi: 10.17756/nwj.2024-s1-027
Citation: Ayyanar D, Anbarasan MI, Ramprashath J, Swathini S, Ragavan V. 2024. Experimental Investigation on GGBS and Nano Silica Based Fiber Reinforced Geopolymer Concrete. NanoWorld J 10(S1): S150-S157.

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