Shrinkage compensated mortar material

Details Shrinkage compensated mortar material Shrinkage compensated mortar material

C - Chemistry, Metallurgy

04

B

261/56.3

C04B 24/30 (2006.01) C04B 7/34 (2006.01) C04B 22/00 (2006.01) C04B 28/06 (2006.01)

Patent

CA 1221112

SHRINKAGE COMPENSATED MORTAR MATERIAL Abstract of the Invention A shrinkage compensated mortar or group can be made with about 40 to 60% by weight of fine aggregate and 40 to 60% by weight of a hydraulic composition which in turn is made with 60 to 80% by weight of mixture of rapid hardening cement and portland cement; 5 to 8% by weight of silica powder; 0.2 to 0.4% by weight of a hydroxycarboxylic acid or a salt thereof; and 2 to 3% by weight of a high performance water-reducer. Such shrinkage compensated mortars or grouts are useful in the installation of machinery, foundations for major structures and the like.

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