Modulus of Rupture of Bricks as Influenced by Varying Mixture of Coco-Sawdust and Pressing Time

Abstract

The continuous consumption of fine aggregates in brick production can lead to environmental destruction. Currently, commercial bricks still have its own downside on durability. This study examined the modulus of rupture of bricks using coco-sawdust with varying mixtures and pressing times without compromising its quality and durability. It utilized a three-by-threefactorial research design, and data was analyzed using descriptive statistics, two-way ANOVA, and test on means for two sample cases. Results showed that the 1:1 and 1:2 ratio of cement to coco-sawdust exhibited 0% of penetration, which means that there are no changes in terms of thickness while the ratio of 1:1 had the least water absorption. It also showed that the different mixtures of cement to coco-sawdust at different pressing times significantly affected the modulus of rupture. This study claims that fabricated coco-sawdust bricks is best at a ratio of 1:1 where the modulus of rupture is significantly higher compared to commercial bricks available in the market. In effect, the better fabricated coco-sawdust bricks are environmentally friendly and promotes the conversion of agricultural waste into a valuable building material.