Base thrust anchor shell assembly

Details Base thrust anchor shell assembly Base thrust anchor shell assembly

1983-01-19

1984-06-12

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Rock or earth bolt or anchor

52161, 411 21, 411 39, E21D 2000, E02D 574

Patent

active

044538456

ABSTRACT:
Base thrust anchor assembly for use with roof bolts and base plate having means to provide deep penetration of the rock strata and provide large areal distribution of the longitudinal load in order to prevent overstressing the rock strata. The assembly employs anchor wings having a small longitudinal cross-sectional area that is applied in a transverse (radial) direction to permit deep penetration of the strata of a bolt hole wall, and a large transverse cross-sectional area to better support the longitudinal load imposed on the rock strata.

REFERENCES:
patent: 814229 (1906-03-01), McGillivary
patent: 1600428 (1926-09-01), Robinson
patent: 1606146 (1926-11-01), Cole et al.
patent: 1606147 (1926-11-01), Cole et al.
patent: 2217271 (1940-10-01), Handel
patent: 2491564 (1949-12-01), Iversen
patent: 2771746 (1956-11-01), Fischer et al.
patent: 2854824 (1958-10-01), Curry et al.
patent: 3304828 (1967-02-01), Karhu
patent: 3312138 (1967-04-01), Cumming
patent: 4189879 (1980-02-01), Patterson

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