Abstract
The usability of marble as an additive material with clay in industrial brick has been investigated. Marble was collected from the marble deposit located at Igbeti (latitude 80 451 longitude 40 81 E.), and the red clay was collected at University of Ilorin, Ilorin (latitude 80 321 N and longitude 40 341 E), both in Nigeria. Marble and Clay were processed for the preparation of the composite. The two materials were mixed in varying proportion of marble, ranging from 0 wt. % to 45 %. The mixture was made into bricks with size 6.0 x 7.0 x 2.0 cm. Ten sample bricks of different marble composition were prepared. These bricks were compressed and heated at a temperature of 950 0C for 2 hours. Water absorption and thermal conductivity tests were carried out on the samples. It was observed that the amount of marble added had positive effect on the physical and mechanical strength of the produced brick. The results also show that increase in percentage of marble will be of good advantage in keeping the house warm during raining season as observed from the thermal conductivity test.Keywords: Marble, Clay, Physico-mechanical, Thermal conductivity, Water Absorption
Highlights
Building materials make up a key component in housing construction
According to the results shown in table 2, the decrease in temperature difference with percentage increase of marble means cooling and increase in temperature difference means warming
The thermal conductivity of the samples showed an increase depending on the amount of marble incorporated into the clay brick mixture up to 25%
Summary
Building materials constitute about 60–80 percent of the entire cost of housing construction (http://schoolofestate.com). Clay is one of the best materials that one can use in order to build a sustainable construction. The production of fired bricks from mixtures of brick clay and waste marble powder additive was accomplished.
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