Quality is stable! Durability has been improved using modified fly ash CfFA.
"High-Quality FA Concrete" is a concrete for PC components that ensures stable quality and maintains the required air content by using modified fly ash (CfFA). In comparison to conventional early-strength concrete for precast PC components, we replaced 12% to 20% of the cement weight with sand containing CfFA and conducted tests. We have confirmed that it secures the necessary strength during prestressing, suppresses the penetration of chloride ions, and prevents carbonation. 【Features】 ■ Improved durability using modified fly ash (CfFA) ■ Stable quality ■ Maintains the required air content ■ Confirms the necessary strength, suppresses the penetration of chloride ions, and prevents carbonation *For more details, please refer to the PDF materials or feel free to contact us.
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【Test Items】 ■ Compressive Strength: φ10cm×20cm ■ Salt Immersion: Immersed in 10% NaCl solution for 1 year ■ Accelerated Carbonation: CO2 concentration 5% for 13 weeks *For more details, please refer to the PDF document or feel free to contact us.
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【Applicable Case】 ■Ioyabashi (Pre-tensioned PC Simple T-beam Bridge) *For more details, please refer to the PDF document or feel free to contact us.
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