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The use of black rice husk ash in concrete


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  • Product Description

The possibility of using black residual rice husk ash was investigated in this study. The black rice husk ash used was mostly amorphous silica and partially crystalline silica and its mean particle size of 12 µm. The black rice husk ash was applied in conventional concrete, self-consolidating concrete, high volume fly ash self consolidating concrete. The concretes were tested for both fresh and hardened stages, i.e. slump, slump flow, electrical resistivity, ultrasonic pulse velocity, chloride ion penetration, sulfate attack, length change, porosity and water absorption. The results show that up to 20% of black rice husk ash could be advantageously blended with cement without adversely affecting the strength and durability properties of both conventional and self-consolidating concretes. The high volume fly ash self consolidating concrete having 28-day compressive strength level of 28.47−44.98 MPa could be obtained with cement content of as low as 152−203 kg/m3 and the amount of fly ash and black rice husk ash of 60% in weight of binder amount. The above results definitively proved many possible applications of the black rice husk in concretes.

Product Specifications
SKU :COC92577
AuthorBui Le Anh Tuan
Number of Pages136
Publishing Year2013-01-11T00:00:00.000
Edition1 st
Book TypeEnvironmental science, engineering & technology
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-10-08 00:00:00
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