Method of installing a rock bolt

Details Method of installing a rock bolt Method of installing a rock bolt

1981-02-17

1983-09-06

Leppink, James A.

Hydraulic and earth engineering

Earth treatment or control

Chemical

166295, 206219, E21D 2002

Patent

active

044026331

ABSTRACT:
A method for fastening rock bolts in geological strata and a two-compartment package containing expansible resinous composition including unsaturated polyester resin syrup, aluminum chlorohydroxide and activator for the resin syrup. The method introduces an expansible composition into an opening in the geological strata, and foams the composition in engagement with a rock bolt. The preferred method introduces a two-compartment package of the composition into the opening in the geological strata, ruptures the package with the rock bolt, and mixes the composition by mechanical motion of the rock bolt.

REFERENCES:
patent: Re15844 (1924-05-01), Ashenhurst
patent: 1748614 (1930-02-01), Nelson
patent: 1844662 (1932-02-01), King
patent: 3141513 (1964-07-01), Davis
patent: 3871518 (1975-03-01), Murray et al.
patent: 4136774 (1979-01-01), Ghoshal
patent: 4303354 (1981-12-01), McDowell, Jr.

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