Negative friction pile and isolating casing

Details Negative friction pile and isolating casing Negative friction pile and isolating casing

1977-05-09

1978-01-31

Shapiro, Jacob

61 51, 61 535, 52170, 52726, E02D 522, E02D 2744

Patent

active

040708675

ABSTRACT:
A building pile structure and system utilizing a skin friction pile having a casing or sleeve of somewhat larger inside diameter than the outside diameter of the pile and driven over the pile either simultaneously with the driving of the pile or driven somewhat in advance of the pile to isolate the pile from certain areas of the surrounding soil for a portion of the total depth to which the pile is driven.

REFERENCES:
patent: 2982103 (1961-05-01), Revesz et al.
patent: 3487646 (1970-01-01), Gatien
patent: 3555833 (1971-01-01), Correa

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