C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 28/36 (2006.01)
Patent
CA 2757397
The invention relates to a cement mortar body (2) made up of an aggregate (4) with silica content of around 99.5% which is formed by particles with a rounded surface and particle size between 0.1 and 1 mm. The existing interstices of the body are filled with an ettringite binder (6) derived from hydrating cement particles (5) with particle size of around 5 microns, and with the actual cement particles (5), perfectly hydrated. The body (2) can include microparticles (7) and colloidal materials in the interstices formed between the particles of aggregate (4), the ettringite binder (6) and the cement particles (5). The interstices created between the particles of aggregate (4), the cement particles (5) with ettringite binder (6), the microparticles (7) and the colloidal materials can include nanoparticles (8). The invention also relates to a method for manufacturing said mortar body.
L'invention concerne un corps (2) de mortier de ciment constitué par un gros granulat (4) à teneur en silice de l'ordre de 99,5%, formé de particules à surface arrondie de granulométrie comprise entre 0,1 et 1 mm. Ce corps présente des interstices occupés par un liant d'ettringite (6), dérivé de l'hydratation de particules de ciment (5) de granulométrie de l'ordre d'environ 5 micromètres, et par les propres particules de ciment (5) parfaitement hydratées. Ledit corps (2) peut renfermer, dans les interstices formés entre les particules de gros granulat (4), le liant d'ettringite (6) et les particules de ciment (5), des microparticules (7) ainsi que des matières colloïdales. Des nanoparticules (8) peuvent être introduites dans les interstices formés entre les particules de gros granulat (4), les particules de ciment (5) avec le liant d'ettringite (6), les microparticules (7) et les matières colloïdales. L'invention concerne également un procédé de fabrication dudit corps de mortier.
Fradera Pellicer Carlos
Goudreau Gage Dubuc
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