INVESTIGATION ON THE EFFECT OF USING RICE HUSK ASH AS A PARTIAL FILLERS ON ASPHALT CONCRETE PERFORMANCE
Abstract
Growing concerns over the environmental impact of traditional asphalt pavement construction, along with the need for more sustainable alternatives, have led to the exploration of renewable agricultural by-products in asphalt concrete. This research project focuses on evaluating the potential of incorporating rice husk ash (RHA) as partial replacements for conventional mineral fillers in asphalt concrete. The primary goal is to investigate the effect of these agro-waste materials on asphalt concrete performance, such as strength and durability. Utilizing the Marshall Mix Design method, asphalt mixes with varying percentages of RHA will be designed and tested in the laboratory. The performance of these mixes will be assessed through a series of tests, including Marshall Stability, Flow values, tensile strength, and compressive strength. The outcomes will be compared to a control mix to determine optimal replacement levels for RHA. This research aims to identify optimal filler replacement percentages while highlighting the potential benefits of using agro-waste materials in asphalt pavement. The project contributes to the growing body of knowledge in sustainable infrastructure practices and aims to promote environmental sustainability in the field of transportation engineering by reducing reliance on non-renewable resources in pavement construction.
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