Method of manufacturing prestressed reinforced concrete articles

Details Method of manufacturing prestressed reinforced concrete articles Method of manufacturing prestressed reinforced concrete articles

1973-01-15

1977-08-30

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

Forming stressed concrete articles

264333, 264347, 264DIG43, 264DIG59, B28B 100, B28B 1100

Patent

active

040455335

ABSTRACT:
A method of making stressed concrete articles made from a cement containing as an additive to portland cement a mixture of alumina cement, calcium sulfate and ground caustic lime, the method including hydrothermal treatment at 50.degree. C or above followed by curing in cold water for several days.

REFERENCES:
patent: 732674 (1903-06-01), Bell et al.
patent: 1986335 (1935-01-01), Halbach
patent: 3155526 (1964-11-01), Klein
patent: 3251701 (1966-05-01), Klein
patent: 3303037 (1967-02-01), Klein
patent: 3447937 (1969-06-01), Hersey et al.
patent: 3565648 (1971-02-01), Mori et al.
Desch and Lea, Chemistry of Cement and Concrete, Arnold, London (1956), pp. 151, 398, 408-410, 420-422, 431, 432 & 437.
Weast et al., Handbook of Chemistry and Physics, Chem. Rubber Co., Cleveland (1972) p. B-76.

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