Injectable cement grout with improved properties

Details Injectable cement grout with improved properties Injectable cement grout with improved properties

C - Chemistry, Metallurgy

04

B

C04B 28/02 (2006.01) C04B 14/02 (2006.01) C04B 20/00 (2006.01) C04B 24/38 (2006.01) C09K 17/40 (2006.01) E21D 20/02 (2006.01)

Patent

CA 2127226

The invention relates to an injectable grout including a hydraulic binder in suspension in water, which additionally comprises, relative to the weight of the hydraulic binder, (A) from 2 to 50% by weight of particles of at least one mineral substance whose median diameter is smaller than half the median diameter of the particles of the hydraulic binder, and (B) from 0.05 to 5% by weight of a hydroxyethyl cellulose. Use in the civil engineering field.

L'invention a trait à un mortier injectable comprenant un liant hydraulique en suspension dans l'eau, lequel comprend en outre, proportionnellement au poids de liant hydraulique, (A) de 2 à 50 % en poids de particules d'au moins une substance minérale dont le diamètre médian est inférieur à la moitié du diamètre médian des particules du liant hydraulique, et (B) de 0,05 à 5 % en poids d'hydroxyéthylcellulose. Utilisation dans le domaine du génie civil.

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