Method of securing fixing elements in rock

Details Method of securing fixing elements in rock Method of securing fixing elements in rock

1976-10-20

1978-09-19

Dean, R. O.

Hydraulic and earth engineering

Earth treatment or control

Chemical

106115, 106315, E21D 1100

Patent

active

041143841

ABSTRACT:
A method of securing a fixing element such as a dowel in a drillhole in a rock mass wherein the element is grouted in position with calcium sulphate hemihydrate plaster (preferably alpha gypsum) gauged with a solution of a water-soluble salt of carboxy methyl cellulose.

REFERENCES:
patent: RE23873 (1954-09-01), Ludwig
patent: 2427683 (1947-09-01), Ludwig
patent: 2620279 (1952-12-01), Clark
patent: 2909223 (1959-10-01), Kaveler
patent: 3057742 (1962-10-01), Cunningham et al.
patent: 3215549 (1965-11-01), Ericson
patent: 3753354 (1973-08-01), Bauer
patent: 3797254 (1974-03-01), Askey et al.
patent: 3980487 (1976-09-01), Akabayashi et al.

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