Review on the correlation between mixing, microstructure and strength of cementitious products with nanoparticles

Concrete is manmade multiphase composite where coarse granular materials are embedded in a hard matrix of binder, filling the space between the aggregate particles and gluing them all together that strengthens with time on hydration. Addition of nanoparticles further enhances the properties of the c...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2021-07, Vol.822 (1), p.12005
Main Authors: Adithya, S N, Sachin, K C, Radhakrishna, Meda, Ujwal Shreenag
Format: Article
Language:English
Subjects:
Cementitious composites
Composite materials
Concrete
Dispersion technique
Durability
Gluing
Granular materials
Microstructure
Nano-alumina
Nano-ferric oxide
Nano-silica
Nanoparticles
Strength factors
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Summary:Concrete is manmade multiphase composite where coarse granular materials are embedded in a hard matrix of binder, filling the space between the aggregate particles and gluing them all together that strengthens with time on hydration. Addition of nanoparticles further enhances the properties of the concrete such as early strength, refined micro structure and enhanced durability. Nanoparticles are added to cementitious composites by dry mixing with cement or dispersion in water. The challenge associated with it is the uniform dispersion of the nanoparticles in the matrix of the composite. The type of mixer and the mixing pattern affect the fresh and hardened properties of the concrete. This article reviews the effect of dispersion of nano particles, type of mixer and mixing pattern on the properties of cementitious composites.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/822/1/012005