Aggregate for concrete and concrete composition containing same

Details Aggregate for concrete and concrete composition containing same Aggregate for concrete and concrete composition containing same

1977-03-03

1979-01-16

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 98, 106109, 106117, C04B 702

Patent

active

041347749

ABSTRACT:
Concrete, especially for producing concrete blocks of high compressive strength, is formed from a hydraulic binder and an improved aggregate which consists of 0.1:1 to 1:0.1 parts of a sludge to comminuted slag. The sludge is a calcium-containing product of the scrubbing of the flue gases of a fossil-fuel boiler, preferably of a power plant, while the slag can be melting-chamber slag or ash obtained from the furnace. The composition may also contain sand or gravel. It is combined with water, to be cast into cement blocks of high compressive strength. Low proportions of the hydraulic binder are required with the improved aggregate.

REFERENCES:
patent: 3785840 (1974-01-01), Minnick et al.
patent: 4040852 (1977-08-01), Jones

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