Method of preparing and handling cement-containing composition

Details Method of preparing and handling cement-containing composition Method of preparing and handling cement-containing composition

C - Chemistry, Metallurgy

04

B

261/45, 61/80

C04B 40/06 (2006.01)

Patent

CA 1247661

ABSTRACT OF THE DISCLOSURE A method of preparing and handling a coment- containing composition such as concrete and mortar broadly used in civil, construction and various other fields is disclosed. To prepare the mortar or the like, a hydration reaciton of cement and water is caused in the presence, if necessary, of aggregate such as sand or gravel. According to the present invention, small ice masses are used in lieu of water. That is, cement, aggregate and small ice masses are mixed and kneaded together in a low water-to-cement ratio and in a quasi- solid state wetted by a small quantity of water resulting on the surfaces of the small ice masses from the melting thereof into a macroscopically homogenious system. Subsequently, gradual transition of this system into a homogenious mixture with the melting of the small dice masses is caused. The ice masses are entirely melted until the instant of charging of the composition thus prepared.

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