Anchor elements

Hydraulic and earth engineering – Earth treatment or control – Chemical

Patent

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Details

405244, E21D 2002

Patent

active

043021310

ABSTRACT:
A method of making on site a ground anchor having at least double corrosion protection about the anchor element, comprises locating a number of fixed lengths of corrosion proof sleeve about the element, applying a cap to the sleeve at the end of the element, and supplying a self-setting composition into the sleeve via the cap to fill an annular clearance between the sleeve and the element. The cap may be left in place on the end of the anchor to protect the anchor during insertion thereof into a borehole. The sleeve preferably comprises an outer plastics layer, an inner metal layer, and an intermediate layer of set filler.

REFERENCES:
patent: 1988628 (1935-01-01), McDonald et al.
patent: 2560369 (1951-07-01), Roberts
patent: 2824033 (1958-02-01), Donaldson
patent: 3553970 (1971-01-01), Wiswell
patent: 3641772 (1972-02-01), Dietrich
patent: 3690110 (1972-09-01), Wiswell
patent: 3753354 (1973-08-01), Bauer
patent: 3941531 (1976-03-01), Parker
patent: 4110991 (1978-09-01), Torkuhl
patent: 4112637 (1978-09-01), Herbst
New Civil Engineer, 2 Aug. 1979, _p. 20 & 21. _
Ground Anchor System, Loksleeve HD2, _A Fosroc Company of the Foseco Minsep GP., Ref. PD 99, 10/78. _

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