Abstract
A powerful non-destructive testing (NDT) technique is adopted to study the quality of RHA brick-1 and RHA brick-2. In that case, rice husk ash has been utilized for the preparation of bricks in full replacement of clay. In these studies, homogeneity of elemental distribution, water absorption and size and shape of the pores have been observed. From the studies, it was observed that ele- mental distribution is very good at various level, large number of porosity is presented with little bit size, initial rate of absorption (IRA) due to first five minutes immersion of water is higher compared to other immersion time (>5 minute), incremental water intrusion area increases very slowly with the increasing immersion time and the water absorption for RHA brick-2 becomes sa- turated very early than that of the RHA brick-1.
Highlights
Rice husks are the hard protecting coverings of grains to protect rice at the ripening period
After 1, 3, 5 and 8 minutes immersion time the Rice Husk Ash (RHA) brick sample taken off from the pan and extra water of outer surface of the RHA sample is removed by the tissue paper properly
Porosity/Voids and Homogeneity Measurement The quality of a HRA brick samples depends on the proper distribution of the contents, porosity, water absorption behavior etc. in the sample
Summary
Rice husks are the hard protecting coverings of grains to protect rice at the ripening period. A large number of ashes is produced at the burning time which is used as a waste and pollute environment and it is a great environment threat causing damage to land and stored/dumped area. (2015) Quality Study of Rice Husk Ash (RHA) Brick Using Neutron Radiography Technique. From this point of view, it is necessary to proper manage the rise husk as a socio economic use. Apart from its use as a fuel in power plant, formation of produced carbon [4], a source of silica and silicon compounds [5] [6] and for internal decorative bricks (which is quite newly vision)
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