Method of and arrangement for setting anchors in loose rock rang

Details Method of and arrangement for setting anchors in loose rock rang Method of and arrangement for setting anchors in loose rock rang

1989-11-29

1991-09-03

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Chemical

405236, 405258, E21D 2002, E21D 2100

Patent

active

050448323

ABSTRACT:
During setting of anchors in loose rocks ranging from cohesion-poor to non-cohesion rocks, an anchor including a drilling rod and a drilling crown is used, in which the drilling rod is provided with a central axial opening and with radial opening in the region to the drilling crown to supply a mortar suspension or the like through the central axial opening during the drilling process.

REFERENCES:
patent: 972969 (1910-10-01), Wittich
patent: 2229912 (1941-01-01), Baily
patent: 2782605 (1957-02-01), Wertz et al.
patent: 3494133 (1970-02-01), Ahlgren et al.
patent: 3875751 (1975-04-01), Paus
patent: 4046205 (1977-09-01), Asayama
patent: 4533279 (1985-08-01), Elzen et al.

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