Hydraulic and earth engineering – Earth treatment or control – Chemical
Patent
1983-09-01
1985-05-14
Taylor, Dennis L.
Hydraulic and earth engineering
Earth treatment or control
Chemical
206219, 206568, E21D 2002
Patent
active
045168849
ABSTRACT:
An improved hardenable inorganic grouting composition cartridge comprising: (1) cartridge filler ingredients comprising, (a) a dry inorganic cement powder, and (b) liquid containing capsules, and wherein the liquid is reactive with the inorganic cement, and wherein the capsules are pressure sensitive and capable of being progressively ruptured by the force of the anchor element, (2) an elongated flexible tubular casing containing the filler ingredients, and (3) a reinforcing member, preferably a flexible one, which adds lengthwise rigidity to the cartridge casing.
The grouting composition cartridge of this invention is injected into a hole in a support structure. An anchor element is then introduced into the hole containing the grouting composition cartridge. The grouting composition is released from the casing thereby forming a hardened grout around the anchor element.
This invention also includes methods of manufacture and usage of the improved cartridge.
REFERENCES:
patent: 4007831 (1977-02-01), Bernhardt
patent: 4096944 (1978-01-01), Simpson
patent: 4227612 (1980-10-01), Dillon
patent: 4253566 (1981-03-01), Seemann
patent: 4273689 (1981-06-01), Smearing
patent: 4279340 (1981-07-01), Lang
patent: 4326890 (1982-04-01), Benichou
patent: 4338048 (1982-07-01), Murphy et al.
patent: 4345686 (1982-08-01), Sato et al.
patent: 4378997 (1983-04-01), Kasama et al.
Goodson W. Gary
Taylor Dennis L.
United States Steel Corporation
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