Self-Compacting Concrete Prepared Using Rice Husk Ash Waste from Electric Power Plants

Gritsada Sua-Iam; Natt Makul

doi:10.4028/www.scientific.net/AMR.488-489.258

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 488-489Self-Compacting Concrete Prepared Using Rice Husk...

Self-Compacting Concrete Prepared Using Rice Husk Ash Waste from Electric Power Plants

Abstract:

We investigated self-compacting concrete (SCC) mixtures containing rice husk ash (RHA) from electric power plants. Type 1 Portland cement (OPC) was partially replaced by RHA at levels of 0%, 10%, 20%, or 40% of the total weight of the binder materials (OPC or RHA, 275, 325, or 375 kg/m³). The mixtures were adjusted to maintain slump flow diameters of 50 ± 2.5 or 60 ± 2.5 cm. The RHA was in the form of partially amorphous silicon dioxide (SiO₂) particles with an equivalent volume mean particle size of 24.32 µm. Increasing the RHA fraction resulted in a decrease in unit weight and an increase in the corresponding water/binder ratio and T₅₀ V-funnel times. Use of 20% RHA produced a material with a long-term compressive strength similar to the control SCC.

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Periodical:

Advanced Materials Research (Volumes 488-489)

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258-262

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https://doi.org/10.4028/www.scientific.net/AMR.488-489.258

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Online since:

March 2012

Authors:

Gritsada Sua-Iam, Natt Makul

Keywords:

Electric Power Plant, Rice Husk Ash, Self-Compacting Concrete (SCC)

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