Modified on
24 Mar 2023 08:12 pm
Skill-Lync
You might have never heard of fly ash; however, did you know this industrial by-product can substitute cement? But what exactly is it? In this blog, we’ll explore the benefits of using fly ash and how to ensure you use it correctly for the best results.
Fly ash is a pozzolan used in concrete to improve workability and decrease water demand. It is also used as an additive to Portland cement to create more durable concrete.
Pozzolan is a siliceous or siliceous-aluminous material that forms cementitious compounds when combined with calcium hydroxide. It is typically derived from volcanic ash or industrial waste products such as fly ash and can partially replace Portland cement.
Fly ash is a by-product containing various compounds, including silicon dioxide, aluminium, calcium, and iron oxide. When used as a pozzolan in concrete construction, fly ash reacts with calcium hydroxide to form calcium silicate hydrate (CSH), the main binding agent in concrete.
Using fly ash as a pozzolanic material can result in several important benefits for concrete construction, including,
Fly ash is usually added to the concrete at the mixing stage and can be either dry or wet.
Fly ash particles are spherical and uniform in size, making them ideal for concrete use. The particles fill the spaces between the cement particles and improve the flow of the concrete mix.
Using fly ash in concrete can help reduce the water content of the mix without compromising workability. This can lead to a reduction in shrinkage cracking and an increase in durability.
Adding fly ash to concrete can improve its strength and durability, making it ideal for infrastructure projects.
Fly ash increases the resistance of concrete to weathering, making it ideal for exterior applications.
Fly ash is a by-product, and using it as a pozzolan helps reduce the environmental impact of concrete construction.
There are a few potential challenges to using fly ash as a pozzolan in concrete construction.
Fly ash has proven to be a superior pozzolan for use in other building materials, making it a great choice for anyone looking for an economical and eco-friendly way to construct buildings. Its pozzolanic properties make it an excellent choice for improving the strength and durability of concrete. To learn more about building materials and construction techniques, check out the blogs and courses offered by Skill-Lync. We offer various courses in the civil domain, including BIM, Structural design etc. Book a free demo to know more!
Author
Navin Baskar
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Skill-Lync
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