Hydraulic and earth engineering – Foundation – Columnar structure
Patent
1991-06-18
1993-02-23
Taylor, Dennis L.
Hydraulic and earth engineering
Foundation
Columnar structure
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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Forster Richard F.
Rudersdorf Friedemann A.
Pfleiderer Verkehrstechnik GmbH
Ricci John A.
Taylor Dennis L.
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