RMIT Engineers Double Coal Ash in Concrete, 80% Less Cement, Aims to Cut Carbon Emissions

RMIT engineers have revolutionized concrete, doubling coal ash and cutting cement needs by 80%.

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This innovative concrete could extend its lifespan well beyond traditional mixes.

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Collaboration with Australian Coal Ash Association maximizes underused resources, aiming for sustainability.

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A significant reduction in cement usage also means a major decrease in global carbon emissions.

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Dr. Chamila Gunasekara states, more fly ash can be added without compromising the concrete's performance.

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With global coal ash production at staggering levels, the material’s reuse is key to sustainable building.

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The new concrete mix includes nano silica and hydrated lime, enhancing strength and durability

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Tests confirm this green concrete’s superior strength and performance, even with lower-grade pond ash.

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