Hydraulic composite

Details Hydraulic composite Hydraulic composite

1997-07-08

1998-02-10

Green, Anthony

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106694, 106719, 106720, 106811, 106900, C04B 1436, C04B 2404, C04B 2410

Patent

active

057164487

ABSTRACT:
Excavated earth from construction sites may be recycled as backfilling material or grout by incorporating it into a hydraulic composite. This is done firstly by blending excavated soil with a solidifying quantity of a hydraulic material and a fluidifying quantity of water and at least one first admixture selected from the group consisting of hydroxycarboxylic acids, phosphonic acid derivatives and saccharides and derivatives thereof, and blending the mixture thus created with a cement-dispersing agent at a time between the addition of the hydraulic material and the commencement of set of the hydraulic material. The hydraulic composites thus created have good fluidity, good final strength and low proneness to cracking.

REFERENCES:
patent: 4129449 (1978-12-01), Kojima
patent: 4436556 (1984-03-01), Kadelka
patent: 5263797 (1993-11-01), Lindstrom et al.
Patent Abstracts of Japan, vol. 018, No. 179, Japanese Patent No. 53-39935 (Dec. 1993).
WPI Database, Section CH, Week 8017, AN 80-30201 CXP002021956 {Japanese Patent No. 55-036218} (Mar. 1980).
WPI Database, Class E19, AN 86-096825 XP002021957 {Japanese Patent No. 61-040854} (Feb. 1986).
Patent Abstracts of Japan, vol. 010, No. 017 (C-324) {Japanese Patent No. 60-170688} (Sep. 1985).
Copy of French Search Report for FR 9508089 dated 23 Dec. 1996.
Chemical Abstract No. 101:115883 which is an abstract of Japanese Patent Specification No. 59-084972 (May 1984).
Chemical Abstract No. 101:115884 which is an abstract of Japanese Patent Specification No. 59-084973 (May 1984).
Chemical Abstract No. 101:115885 which is an abstract of Japanese Patent Specification No. 59-084974 (May 1984).
Chemical Abstract No. 103:109177 which is an abstract of Japanese Patent Specification No. 60-055076 (Mar. 1985).
WPI Abstract Accession No. 84-284530/46 (JP S59-174555) Oct. 1984.
WPI Abstract Accession No. 90-257510/34 (JP H2-180739) Jul. 1990.

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