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Engineers mixed rice-husk ash into asphalt; the farm waste could make roads more resistant to high-temperature damage

FinSiddhi

Rice husk ash from rice mills has been shown to improve the properties of asphalt mixtures. The incorporation of varying ash amounts led to increased stiffness and higher resistance to permanent deformation. Higher ash content resulted in better performance at elevated temperatures but raised concerns about workability and low-temperature brittleness. Research indicates a trade-off between performance benefits and risks associated with increased ash amounts.
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