Enhancing the Compressive Strength of the Fly Ash Brick by Fibre Reinforcement


Authors : Arul Surya M, Akshai Raj R, Aravinth P, Manickavasakam V, Madan Raja G

Volume/Issue : Volume 4 - 2019, Issue 7 - July

Google Scholar : https://goo.gl/DF9R4u

Scribd : https://bit.ly/2YVFjvA

In the present scenario, an alternate for clay bricks is fly-ash bricks which plays a key role in the construction of framed structures because of its less weight which will reduce the dead weight of the structure, due to its light weight concept and another advantage is low cost. Such fly ash bricks are not subject to load bearing structure because of its slight reduction in compressive strength compared with nominal clay brick. So majority of the fly ash bricks were used in the framed structures construction. In this study a concern to increase compression strength using coconut fibre is carried out, with this another proportion of replacement to the fly ash is done with rice husk ash. By varying the proportion of fibre and rice husk ash of 5% and 10%, with coconut fibre’s aspect ratio of 150, is mixed separately and also in the combined proportion of 5% and 10% of coconut fibre and rice husk ash. A comparison has been carried out for the normal brick to the fibre reinforced brick and fibre reinforced rice husk ash by replacing fly ash in brick. From the comparison the test result has shown a significant change in the compressive strength by the addition of coconut fibre than the addition of rice husk ash to the normal fly ash brick and also the test results showed significant changes in the water absorption quality and other properties of the fly ash brick.

Keywords : Fly Ash Brick; Rice Husk Ash; Coconut Fibre; Aspect Ratio; Fibre Reinforced Brick; Ordinary Portland Cement(OPC);

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