Hydraulic and earth engineering – Foundation – Columnar structure
Patent
1994-10-14
1996-07-02
Nicholson, Eric K.
Hydraulic and earth engineering
Foundation
Columnar structure
405255, E02D 522
Patent
active
055315445
ABSTRACT:
A pile cap of homogeneous material is disclosed that includes a top member part having a relatively large top area and a base member part having a correspondingly smaller bottom area. The sides of at least the bottom member part are thereby tapered. The bottom area preferably includes a recess for accommodating the top of a cylindrical pile. The shape distributes even an unbalanced load having an off-center moment of force to the top of the pile without creating potentially damaging shear stresses along the sides of the pile cap.
REFERENCES:
patent: 1979670 (1934-11-01), Brune et al.
patent: 3199300 (1965-08-01), Fiore
patent: 3410097 (1968-11-01), Young
patent: 3581508 (1971-06-01), Junius
Nicholson Eric K.
Perma Pile Foundation Restoration Systems, Inc.
Ricci John A.
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