Foundation pile of reinforced concrete

Hydraulic and earth engineering – Foundation – Columnar structure

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Details

4052521, 405253, 405256, E02D 530, E02D 556, E02D 722, E02D 728

Patent

active

051884852

ABSTRACT:
A foundation pile of reinforced, preferably prestressed concrete having external screw threads and an interior cavity for the engagement of the driver rod applying the torque, at least two flat steel bars being fastened axially parallel in the pile wall to approximately equal angular spacing, and extending by about half of their width freely into the cavity serving for the engagement of the driver rod.

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patent: 2088759 (1937-08-01), Rassieur
patent: 2210296 (1940-08-01), Kittrell et al.
patent: 2372269 (1945-03-01), Golan
patent: 3178210 (1965-04-01), Dickinson
patent: 3295572 (1967-01-01), Wing
patent: 3369441 (1968-02-01), Kosar
patent: 4239419 (1980-12-01), Gillen
patent: 4614462 (1986-09-01), Itou
patent: 4708530 (1987-11-01), Faber

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