Method for installation of an outer-cased piling

Details Method for installation of an outer-cased piling Method for installation of an outer-cased piling

1992-06-22

1993-11-09

Taylor, Dennis L.

Hydraulic and earth engineering

Foundation

Columnar structure

405232, 405229, 405236, E02D 530

Patent

active

052597024

ABSTRACT:
The invention is a method of installing an outer-cased piling through a zone of subsoil contamination which includes boring a hole to a predetermined depth below the contamination, placing a smaller diameter casing in the full length of the hole, pumping a cementitious material between the outer casing wall and the soil, installing the piling through the casing and down to a point of refusal below the contaminated zone, filling the piling form with cement and then filling the void between the piling and casing with a cementitious material.
The outer-cased piling design allows the piling installation through zones of contamination without adversely impacting the environment or spreading the contamination to other subsurface layers.

REFERENCES:
patent: 940100 (1909-11-01), Welsh
patent: 1751607 (1930-03-01), Smith
patent: 1907654 (1933-05-01), Newman
patent: 3206935 (1965-09-01), Phares
patent: 3736757 (1973-06-01), Hartzell et al.
patent: 3886754 (1975-06-01), Turzillo
patent: 4152089 (1979-05-01), Stannard

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