THE EFFECT OF USING HYBRID NANOMATERIALS ON DRYING SHRINKAGE AND STRENGTH OF CEMENT PASTES

The aim of this work is to study the effect of nanomaterials on the properties of cement paste, the experimental program included three parts: a- two types of nanosilica, locally produced NS1 and imported NS2, b- nanoclay (NC) and c- Hybrid nanoparticles (NS1 & NC). In each part, cement paste wa...

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Bibliographic Details
Published in:Nanotehnologii v stroitelʹstve 2016-01, Vol.8 (2), p.109-134
Main Authors: Zaki, Saaid I, Hodhod, Hossam A, Mahdi, Mostafa A
Format: Article
Language:English
Subjects:
Cement
Cement paste
Cements
Compressive strength
Drying
hybrid nanomaterial
nanoclay
Nanomaterials
Nanoparticles
nanosilica
Shrinkage
Silica
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Summary:The aim of this work is to study the effect of nanomaterials on the properties of cement paste, the experimental program included three parts: a- two types of nanosilica, locally produced NS1 and imported NS2, b- nanoclay (NC) and c- Hybrid nanoparticles (NS1 & NC). In each part, cement paste was used with different percentages of nanoparticles. Compressive strength and drying shrinkage tests were applied in each part on the cured and uncured samples. The results showed that the compressive strength improved in the cement paste mixtures in the cured condition, the optimum percentages was 1% for NS1, 1% for NS2, 5% for NC, and 5% (0.5%NS1 & 4.5%NC) for hybrid nanoparticles. The drying shrinkage increases with adding nanosilica and hybrid nanoparticles, while it decreases when adding NC.
ISSN:2075-8545
DOI:10.15828/2075-8545-2016-8-2-109-134