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Mechanical property–porosity relationships of layered calcium silicate hydrate phases

Pourbeik, P. / Beaudoin, J. J. / Alizadeh, R. / Raki, L.

Abstract Dynamic mechanical analysis measurements were made on the following calcium-silicate- hydrate systems: 1.4 nm tobermorite (T), jennite (J), synthetic C–S–H (C/S = 0.80, 1.20 and 1.50) and cement paste. The age of the cement paste varied from 3 days to 45 years. Plots of storage modulus versus porosity were constructed for all these materials. The non-uniqueness of the curves is discussed with reference to Taylor’s analysis of strength-porosity curves and the influence of particle type, density and crystallinity. Additional insights regarding the practical application of T–J and T–CH nanostructural models for the C–S–H nanostructure in hydrated cements is provided.

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Mechanical property–porosity relationships of layered calcium silicate hydrate phases

Pourbeik, P. / Beaudoin, J. J. / Alizadeh, R. / Raki, L.

Abstract Dynamic mechanical analysis measurements were made on the following calcium-silicate- hydrate systems: 1.4 nm tobermorite (T), jennite (J), synthetic C–S–H (C/S = 0.80, 1.20 and 1.50) and cement paste. The age of the cement paste varied from 3 days to 45 years. Plots of storage modulus versus porosity were constructed for all these materials. The non-uniqueness of the curves is discussed with reference to Taylor’s analysis of strength-porosity curves and the influence of particle type, density and crystallinity. Additional insights regarding the practical application of T–J and T–CH nanostructural models for the C–S–H nanostructure in hydrated cements is provided.

Mechanical property–porosity relationships of layered calcium silicate hydrate phases

Pourbeik, P. / Beaudoin, J. J. / Alizadeh, R. / Raki, L.

Abstract Dynamic mechanical analysis measurements were made on the following calcium-silicate- hydrate systems: 1.4 nm tobermorite (T), jennite (J), synthetic C–S–H (C/S = 0.80, 1.20 and 1.50) and cement paste. The age of the cement paste varied from 3 days to 45 years. Plots of storage modulus versus porosity were constructed for all these materials. The non-uniqueness of the curves is discussed with reference to Taylor’s analysis of strength-porosity curves and the influence of particle type, density and crystallinity. Additional insights regarding the practical application of T–J and T–CH nanostructural models for the C–S–H nanostructure in hydrated cements is provided.

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Title:

Mechanical property–porosity relationships of layered calcium silicate hydrate phases

Contributors:

Pourbeik, P. (author) / Beaudoin, J. J. (author) / Alizadeh, R. (author) / Raki, L. (author)

Published in:

Materials and Structures ; 46 ; 1489-1495

Publication date:

2012-12-11

Size:

7 pages

ISSN:

1871-6873 , 1359-5997

DOI:

https://doi.org/10.1617/s11527-012-9990-3

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Layered calcium silicate hydrate , Mechanical properties , Dynamic mechanical analysis (DMA) , Porosity Engineering , Structural Mechanics , Materials Science, general , Theoretical and Applied Mechanics , Operating Procedures, Materials Treatment , Civil Engineering , Building Materials

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