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Fly ash generated by the burning of coal in coal-fired power plants was considered till a few years back, as a mere waste material of very low value. But, its usefulness as a pozzolanic additive to cement is an important discovery. Continuous research studies carried by engineering researchers revealed its varied usefulness as an additive for enhancing the fresh and hardened properties of concrete. Concrete construction is not considered as sustainable due to some reasons. First, it consumes a large number of raw materials such as fine and coarse aggregate. Second, the principal binder in concrete is Portland cement, the production of which is a major contributor to greenhouse gas emissions that are implicated in global warming and climate change. Third, many concrete structures suffer from a lack of durability which has an adverse effect on the resource productivity of the industry. The use of high volume fly ash (HVFA) in concrete construction addresses all these sustainability issues, its adoption will enable the concrete construction to become more sustainable. Partial replacement of cement with fly ash in concrete saves much of the energy required for the production of cement and also facilitates the economical disposal of millions of tons of fly ash and improves the structural properties of concrete. Fly ash is generally classified as Class C and F fly ash depending on the type and characteristics of coal used in the production. Comparatively, Class F fly ash has a very low content of calcium whereas Class C fly ash has a high content of calcium and magnesium. In the present research work, the Class F fly ash has been used throughout the experimental work.
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Cite Article:
"BEHAVIOUR OF HIGH VOLUME FLY ASH CONCRETE IN STRUCTURAL ELEMENTS", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.7, Issue 8, page no.675 - 898, August-2022, Available :http://www.ijrti.org/papers/IJRTI2208118.pdf
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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
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