Notes on hydrated cement fractals investigated by SANS

Hydrated cement pastes with different water-to-cement ratios have been investigated by the small-angle scattering neutron technique. Special attention has been paid to the fractal nanostructure of the calcium silicate hydrate (C-S-H solid gel) and its basic building particles, i.e. nanometric globul...

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Bibliographic Details
Published in:Journal of physics. D, Applied physics Applied physics, 2007-07, Vol.40 (13), p.4055-4059
Main Authors: Ficker, T, Len, A, Němec, P
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Cement concrete constituents
Cements
Exact sciences and technology
Hydration
Materials
Properties and test methods
Properties of anhydrous and hydrated cement, test methods
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Summary:Hydrated cement pastes with different water-to-cement ratios have been investigated by the small-angle scattering neutron technique. Special attention has been paid to the fractal nanostructure of the calcium silicate hydrate (C-S-H solid gel) and its basic building particles, i.e. nanometric globules. The inner stability of these particles has been tested and shown to be sufficiently persistent to withstand all spatial regroupings of the overall nanostructure caused by variations of w/c ratios.
ISSN:0022-3727
1361-6463
DOI:10.1088/0022-3727/40/13/023