C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 28/02 (2006.01) C04B 14/48 (2006.01) C04B 20/00 (2006.01) C04B 28/04 (2006.01) C04B 40/02 (2006.01) E04C 5/01 (2006.01)
Patent
CA 2166299
The invention relates to a metal fiber concrete. Said concrete is prepared from a composition comprising granular elements of a size at the most equal to 800 micrometers and metal fibers whose length is comprised between 4 and 20 mm. The ratio between the average length of the fibers and the maximum size of the granular elelements being at least equal to 10 and the volume of the metal fibers being comprised between 1.0 and 4.0 % of the concrete volume after setting. The figure shows a curve of the tensile strength of the concrete compared to that of a conventional mortar. The invention aims particularly at producing concrete elements which do not require a conventional metal reinforcement.
L'invention concerne un béton de fibres métalliques. Ce béton est préparé à partir d'une composition comprenant des éléments granulaires de grosseur su plus égale à 800 micromètres et, des fibres métalliques de longueur comprise entre 4 et 20 mm, le rapport entre la longueur moyenne des fibres et la grosseur maximale des éléments granulaires étant au moins égal à 10 et le volume des fibres métalliques étant de 1,0 à 4,0 % du volume du béton après la prise. La figure est une courbe de la résistance de la traction du béton comparée à celle d'un mortier classique. L'invention vise notamment à fabriquer des éléments en béton ne nécessitant pas d'armature métallique classique.
Cheyrezy Marcel Hubert
Richard Pierre Emile Felix
Roux Nicolas Pierre Jean
Bouygues
Bouygues Travaux Publics
Lafarge
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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