Effect of Rice Husk and Rice Husk Ash on Properties of Lightweight Clay Bricks

Sutas Janbuala; Thanakorn Wasanapiarnpong

doi:10.4028/www.scientific.net/KEM.659.74

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 659Effect of Rice Husk and Rice Husk Ash on...

Effect of Rice Husk and Rice Husk Ash on Properties of Lightweight Clay Bricks

Abstract:

The objective of this study is to investigate the effect of rice husk and rice husk ash which have the difference chemical composition and organic matter on porosity and properties of lightweight clay brick . Comparative adding between rice husk and rice husk ash were varied by 10, 20, 30, 40 % by weight. The results showed that more adding of rice husk and rice husk ash increase pore in microstructure and water absorption, while decrease bulk density. Porosity and water absorption are maximized when the rice husk are added at 40 %. The clay brick with 10, 20 and 30 % of rice husk or rice husk ash addition showed the required density and compressive strength followed the industrial standard of lightweight brick. The addition with 10 % of rice husk showed the best properties as 1.20 g/cm³ of bulk density and 4.6 MPa of compressive strength with 36.57 % of porosity. Whereas, the 10 % addition of rice husk ash showed 1.18 g/cm³ of bulk density and 5.97 MPa with 37.27 % of porosity.

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Key Engineering Materials (Volume 659)

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74-79

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https://doi.org/10.4028/www.scientific.net/KEM.659.74

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Online since:

August 2015

Authors:

Sutas Janbuala*, Thanakorn Wasanapiarnpong

Keywords:

Clay Bricks, Lightweight Ceramics, Rice Husk, Rice Husk Ash

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