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As we know construction is very important in life. Concrete is most commonly used in construction. So the demand of concrete is growing day by day for satisfying the need of development of infrastructure facilities. It is a well-established fact that production of OPC not only consumes significant amount of natural resources and energy but also releases substantial quantity of CO2 into the environment. The amount of the carbon dioxide released during the manufacture of OPC due to calcinations of limestone and combustion of fossil fuel is in the order of one ton for every ton of OPC produced. Therefore, it is essential to find alternatives to make the concrete environment friendly. The geopolymer concrete is a useful invention in the world of concrete in which cement is totally replaced by pozzolanic material that is rich in silica as well as alumina and activated by alkaline liquid to act as binder in concrete by means of polymer chains. The fly ash is one of the source materials for geopolymer binders. Fly ash comes primarily from coal-fired electricity generating power plants. Fly ash is the mineral residue produced by burning coal. The fly ash consists primarily of silica, alumina and iron. Fly ash is a waste by-product material that must be disposed off or recycled. The foundry sand is also a waste by product of metal foundries. When the sand can no longer be reused in the foundry, it is removed and called as Foundry Waste Sand. Foundry waste sand is a high quality uniform silica sand that is used to make moulds and cores for ferrous and non-ferrous metal castings. The metal casting industry annually uses about 100 million tons of foundry sand for production. Over time, foundry sand physically degrades until they are no longer suitable for moulds. Consequently, 9 to 10 million tons of sand is discarded each year. So the fly ash and foundry sand is available abundantly, they are the waste materials that are not easily disposed and require more land to dispose. Hence it is essential to make the efforts to utilize these by product in concrete manufacturing in order to make the concrete more environments friendly.
This research work has done to utilize waste by products and to see the effect of different temperature on various parameters of geopolymer concrete using foundry sand such as flexural strength, split tensile strength and compressive strength.
Keywords:
foundry, concrete, geopolymer.
Cite Article:
"Study on development of foundry sand based geopolymer concrete for temperature maintaining effect", International Journal for Research Trends and Innovation (www.ijrti.org), ISSN:2455-2631, Vol.7, Issue 6, page no.445 - 448, June-2022, Available :http://www.ijrti.org/papers/IJRTI2206076.pdf
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ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator