Abstract
The use of natural fibres as enhancement in soil blocks has attracted much research interest in the past decade. In this paper the effects of sugarcane bagasse fibres on the strength properties of soil blocks have been investigated. Laboratory experiments including density, water absorption, compressive strength, splitting tensile strength and erosion tests were conducted on soil blocks reinforced with 0.25-1% mass of fibres. It was determined that by utilisation of an optimum (0.5%) of sugarcane bagasse fibres in the soil matrix improved the strength properties of the soil blocks. Furthermore, the study shows that although the reinforced soil blocks were of lower density and higher water absorption, they had a better resistance against erosion. In addition, it was found that high clayey soil achieved better strength and durability properties. This research therefore recommends the use of 0.5% fibre content and high clayey soil for production soil blocks reinforced with sugarcane bagasse.
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