High early-strength cementitious composition

Details High early-strength cementitious composition High early-strength cementitious composition

C - Chemistry, Metallurgy

04

B

C04B 24/12 (2006.01)

Patent

CA 2399746

A high early-strength cementitious composition comprising a hydraulic cement; and a combination admixture system wherein the combination admixture system comprises a polycarboxylate high range water reducing dispersant in combination with an accelerator and a retarder. The admixture allows for acceptable workability and development of high early-strength in cementitious compositions without the use of an external heat source.

Une composition de haute résistance initiale à base de ciment comprenant un ciment hydraulique et un système d'adjuvant combiné dans lequel le système d'adjuvant combiné comprend une eau à haute plage de polycarboxylate réduisant les dispersants en combinaison avec un accélérateur et un retardateur. L'adjuvant permet une maniabilité acceptable et le développement de compositions à base de ciment de haute résistance initiale sans l'utilisation d'une source de chaleur externe.

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