Flowing concrete and process of producing the same

Details Flowing concrete and process of producing the same Flowing concrete and process of producing the same

1986-07-10

1988-05-24

Capella, Steven

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 93, 106314, 524 4, 524 5, 524 6, C04B 2410, C04B 2430

Patent

active

047463643

ABSTRACT:
A flowing concrete and a process of producing the same. A cement, water, aggregates, a superplasticizer and a segregation-controlling agent are kneaded into a base concrete having a water-cement ratio of about 35% or less, the segregation-controlling agent contained in an amount of about 0.02 to about 0.1 wt. %, based on the water and including a methylcellulose compound, and the superplasticizer contained in an amount of about 0.25 to about 0.6 wt. % based on the cement. Then, about 0.25 to about 0.6 wt. %, in terms of the solid, of a flowing agent based on the cement is added to the base concrete, the flowing agent including a sulfonic acid/formaldehyde high condensate and a polyvinyl alcohol. Further, the base concrete with the flowing agent is kneaded into the flowing concrete.

REFERENCES:
patent: 3030258 (1962-04-01), Wagner
patent: 4069062 (1978-01-01), Burge
patent: 4131480 (1978-12-01), McCurrich et al.
Handbook of Structural Concrete (1984) pp. 9-14 to 9-19 McGraw Hill Book Co., Kong et al.
Concrete Technology by D. F. Orchard (1973) p. 60.

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