Cement, method of preparing such cement and method of making pro

Details Cement, method of preparing such cement and method of making pro Cement, method of preparing such cement and method of making pro

1994-04-04

1996-01-09

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Alkali metal silicate containing

106602, 106624, 106705, 106707, 106709, 106714, 106819, 106DIG1, C04B 3500, C04B 702, C04B 714, C04B 732

Patent

active

054825490

ABSTRACT:
A homogeneous dry particulate cement mixture in ready-to-use form is provided, which comprises ground blast-furnace slag having a specific surface area of 500-750 m.sup.2 /kg and ground fly ash having a specific surface area of 500-750 m.sup.2 /kg, in a weight ratio in the range of 20/80-70/30, and further comprises the following components in the amounts indicated, calculated on the total mixture: at least 2% by weight of portland cement clinker and 2-12% by weight of sodium silicate (calculated as Na.sub.2 O+SiO.sub.2). When processed, the cement mixture yields a mortar or a concrete having improved strength properties as well as a good resistance against an acidic environment.

REFERENCES:
patent: 5084102 (1992-01-01), Brouns et al.
Kovach, "The Use of Thermal Power Station Pulverzied Fuel Ash in the Manufacture of Cement in Hungary", Delivered, Orally at Symposium at Ankara, Turkey, 1970 p. 4 (no month).
Ducreux et al., "The Effects of Fineness on the Pozzolanic Behavior of Fly Ashes as Additions to Cement", Silicates Ind., 27, Abstract, 1962 (no month).
Chem. Abstracts, 104(12) 94207p, Mar. 24, 1986.
Indian Chemical Manufacturer, 35-39 (1979) (no month).
World Cement Technology 8(6), 223-233 (1987) (no month).
Silicates Industriels 48(3), 79-82 (1983) (no month).
ZKG International, 38(10), 609-611 (1985) (no month).

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