Abstract
This paper deals with the incorporation of unground rice husks into hand-made, kiln-fired bricks such as are made in developing countries. Bricks with a range of rice husk contents were prepared and then fired in either a small electric test kiln or a commercial Hoffman kiln. The following properties of the bricks were measured: density, compressive strength, modulus of rupture, water absorption and initial rate of absorption. The conclusion drawn is that it is possible to incorporate to 50% rice husks (by volume of clay) into bricks without causing brick properties to fall outside limits acceptable in developing countries.
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