Method of preparing green compositions containing a hydraulic su

Details Method of preparing green compositions containing a hydraulic su Method of preparing green compositions containing a hydraulic su

1980-02-07

1981-11-10

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 98, 106 99, 106110, C04B 702

Patent

active

042996333

ABSTRACT:
A green concrete mortar is prepared by the steps of preparing a first composition in which water is uniformly deposited about the particles of sand, preparing a second composition consisting of a powder of cement, mixing together the first and second compositions, thus forming stable shells about the particles of the sand, the shells having substantially a constant ratio of water to cement, and adding water to the shelled sand and then kneading the resulting mixture. The green concrete mortar can be poured into a moulding frame prepacked with a coarse aggregate i.e. gravel. After incorporating gravel into the mortar, the resulting green concrete can be moulded or blasted. The green concrete can be readily conveyed to a working station for constructing tunnels, buildings or the like.

REFERENCES:
patent: 2650171 (1953-08-01), Schaaf
patent: 2835602 (1958-05-01), Benner
patent: 3192060 (1965-06-01), Tilsen
patent: 3503771 (1970-03-01), Kroyer
patent: 4127417 (1978-11-01), Okada et al.

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