Additive for concrete

Details Additive for concrete Additive for concrete

1977-09-12

1979-03-13

Arnold, Donald J.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

264333, C04B 3130

Patent

active

041440862

ABSTRACT:
Concrete products having a high strength after a short hardening time are manufactured by adding sodium sulphate to a conventional concrete mixture in a quantity of 0.1 - 5 per cent by weight of the cement. The concrete shall be kept at a temperature of 30.degree.- 90.degree. C. during the mixing process. The cast concrete shall be held at 30.degree.- 90.degree. C. for at least two hours.

REFERENCES:
patent: 1898636 (1933-02-01), Linzell
patent: 3238279 (1966-03-01), Tarlton et al.
patent: 3493644 (1970-02-01), Owen
patent: 3522068 (1970-07-01), Bastian et al.
patent: 3770859 (1973-11-01), Bevan

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