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In recent years, researchers have been exploring ways to enhance the strength and durability of fly ash bricks. One promising approach is to add industrial waste materials such as steel slag and tapioca powder to the mix. Steel slag is a byproduct of steel production that contains high levels of calcium, iron, and silicon. Tapioca powder is a starch extracted from cassava roots that has binding properties. This article discusses a study conducted by V. Aravind et al., which investigated the use of steel slag and tapioca powder in the manufacture of fly ash bricks.
Fly ash is a byproduct of coal combustion that has been used as a supplementary cementitious material in concrete for many years. It is known to improve the work-ability, durability, and strength of concrete. However, its low hydration at an early stage can cause the strength of fly ash brick to be low. In this study, we aimed to find the optimum mix percentage of fly ash brick with the addition of lime, gypsum, and quarry dust to improve its compressive strength.
The experimental study on Clay-Fly Ash Burnt Bricks conducted by Jayant L. Patil and Dr. Arun Kumar Dwivedi provides valuable insights into the properties of bricks made from clay and fly ash. The study highlights the potential benefits of using fly ash in brick-making, including reducing environmental impact, cost savings, and waste reduction. However, further research is needed to determine the optimal proportion of fly ash for different types of clay and real-world scenarios.