Composite pile having the inside diameter of the tip less than t

Details Composite pile having the inside diameter of the tip less than t Composite pile having the inside diameter of the tip less than t

1976-08-25

1977-07-19

Shapiro, Jacob

61 53, E02D 730

Patent

active

040360253

ABSTRACT:
A composite pile includes a tubular pile and a reinforced tapered concrete tip having an axial core opening through its larger upper end and of a diameter less than that of the tubular pile and seats at the upper and lower ends of the core. An expansible mandrel for use in driving such tips and the tubular pile connected thereto has a main portion dimensioned for driving engagement with the tubular pile, a tip portion dimensioned for driving engagement with the core of such a tip with its boot end engageable with the lower seat and an intermediate shoulder engageable with the upper seat.

REFERENCES:
patent: 3418817 (1968-12-01), Rusche
patent: 3802207 (1974-04-01), Guild et al.
patent: 3913337 (1975-10-01), Nierjan

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