Shrinkage compensated mortar material

Details Shrinkage compensated mortar material Shrinkage compensated mortar material

1984-04-19

1990-05-01

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 89, 106118, 106119, 106120, C04B 702, C04B 719

Patent

active

049215370

ABSTRACT:
A shrinkage compensated mortar or grout can be made with about 40 to 60% by weight of fine aggregate and 40 to 60% by weight of a hydraulic composition which in turn is made with 60 to 80% by weight of mixture of rapid hardening cement and 20 to 40% portland cement; and based on the weight of cement, 5 to 8% by weight of silica powder; 0.2 to 0.4% by weight of a hydroxycarboxylic acid or a salt thereof; and 2 to 3% by weight of a high performance water-reducer. Such shrinkage compensated mortars or grouts are useful in the installation of machinery, foundations for major structures and the like.

REFERENCES:
patent: 2892728 (1959-06-01), Jolly
patent: 3973978 (1976-08-01), Nakagawa et al.
patent: 4012264 (1977-03-01), Murray et al.
patent: 4046583 (1977-09-01), Collepardi
patent: 4057608 (1977-11-01), Hashimoto et al.
patent: 4060425 (1977-11-01), Harada
patent: 4082561 (1978-04-01), Nakagawa et al.
patent: 4125410 (1978-11-01), Natsuume
patent: 4316583 (1982-02-01), Kawano et al.
patent: 4350533 (1982-09-01), Galer et al.
patent: 4477284 (1984-10-01), Isogai et al.

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