Hydraulic and earth engineering – Foundation – Columnar structure
Patent
1978-08-28
1981-02-24
Corbin, David H.
Hydraulic and earth engineering
Foundation
Columnar structure
52726, 405251, E02D 548
Patent
active
042524733
ABSTRACT:
A composite pile includes a wooden section and a helically corrugated shell secured to the wooden section by a transition fitting. The transition fitting is fitted telescopically to a tubular end portion of the shell by a circumferential weld which is embedded in the wooden section. Because the weld is very strong and is disposed within the wooden section, the strength of transition-to-shell connection is increased over prior composite piles. The pile manufacture includes the step of removing corrugations from the end of a shell by squeezing the end of the shell between radially movable, annular die segments.
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Seck Earl E.
Thomas Albert M.
Corbin David H.
Republic Steel Corporation
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