Coupled drive rods for installing ground anchors

Details Coupled drive rods for installing ground anchors Coupled drive rods for installing ground anchors

1990-06-11

1991-07-16

Chilcot, Jr., Richard E.

Static structures (e.g., buildings)

Deadman-type anchor

52163, 285417, E02D 574, F16L 2100

Patent

active

050313703

ABSTRACT:
Ground anchors are installed by drive rods or gads connected in end to end relation by sleeves or couplers which accommodate sliding of adjacent rod ends into abutting relation under impact or compression loads and which retain the rods in connected string relation under tension loads. The sleeves have smooth rolled internal rope type threads in their end portions separated by a slide chamber receiving mating threads on end portions of adjacent rods which are threaded through and beyond the internal threads into the slide chamber. The rods slide in the sleeves and ends of adjoining rods will abut under compression loads and separate under tension loads while still being retained in end to end relation. A string of drive rods is successively built up to be impacted successively from ground level.

REFERENCES:
patent: 339534 (1886-04-01), Dickson
patent: 1267250 (1918-05-01), Murray
patent: 3173524 (1965-03-01), Reduch
patent: 4044513 (1977-08-01), Deike
patent: 4802317 (1989-02-01), Chandler
"Manta Ray" Equipment List and Installation Procedures Foresight Products, Inc. pamphlet.

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