Structural helical pile

Details Structural helical pile Structural helical pile

2006-03-28

2006-03-28

Lagman, Frederick L. (Department: 3673)

Hydraulic and earth engineering

Foundation

Columnar structure

C405S254000, C405S252100, C405S231000

Reexamination Certificate

active

07018139

ABSTRACT:
A structural helical pile having an elongate shaft member defining a longitudinal axis. The structural helical pile also comprises a radially extending, generally helical load bearing member integral with the shaft member and projecting outwardly from the longitudinal axis of the shaft member. The helical load bearing member has a leading edge and a trailing edge. The respective leading and trailing edges intersect the shaft member in spaced relationship along the longitudinal length of the shaft member. The helical load bearing member further comprises at least one rib integrally formed therein. In this aspect, each rib extends outwardly from the longitudinal axis of the shaft member and has a substantially uniform cross-sectional thickness.

REFERENCES:
patent: 5575122 (1996-11-01), Hamilton et al.
patent: 6352391 (2002-03-01), Jones
patent: 6394704 (2002-05-01), Saeki et al.
patent: 2002-348864 (2002-12-01), None

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