Ultra high-strength hydraulic cement compositions

Details Ultra high-strength hydraulic cement compositions Ultra high-strength hydraulic cement compositions

1993-09-17

1995-11-14

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106708, 106726, 106737, 106790, 106823, 524 3, 524650, C04B 2416

Patent

active

054662893

ABSTRACT:
Ultra high-strength hydraulic cement compositions with extremely low water-to-cement ratio of 10-30% and having high fluidity and improved capability of preventing slump loss, from which high-quality ultra high-strength hardened concrete and mortar can be obtained with superior workability, contain a binder composed of cement or a mixture of cement and a microscopic powder admixture, aggregates, water and a cement dispersion agent composed of water-soluble vinyl copolymers obtained by aqueous solution radical polymerization of five specified kinds of monomers at a ratio within a specified range The unit content of the binder is 400-1300kg/m.sup.3, the water-to-binder ratio is 10-30% and the content of cement dispersion agent is 0.1-2.0 weight parts for 100 weight parts of the binder.

REFERENCES:
patent: 4808641 (1989-02-01), Yagi et al.
patent: 5087648 (1992-02-01), Kinoshita et al.
patent: 5290869 (1994-03-01), Kinoshita et al.

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