Hydraulic and earth engineering – Foundation – Columnar structure
Patent
1986-03-07
1987-09-29
Taylor, Dennis L.
Hydraulic and earth engineering
Foundation
Columnar structure
405232, E02D 522, E02D 552
Patent
active
046966056
ABSTRACT:
A method of installing a composite pile structure of a timber pile section and a precast reinforced concrete pile section includes a driving of the timber pile section into the earth a distance well below the earth's surface, a distance substantially equal to the length of the reinforced concrete pile section. A hollow, tubular sleeve having a bore is used during driving of the timber pile section to prevent soil from entering the area vertically above the timber pile section. A precast, preset reinforced concrete pile member is placed in the bore of the sleeve. The bottom of the concrete pile carries a connector that is embedded partially in the lower end portion of the concrete pile. The connector joins the bottom of the concrete pile with the top of the timber pile. After joining, the tubular sleeve is removed so that soil encroachment can laterally support the reinforced concrete pile section.
REFERENCES:
patent: 1715791 (1929-06-01), Sherwood
patent: 1890268 (1932-12-01), Smith
patent: 2558529 (1951-06-01), Thornley
patent: 2912829 (1959-11-01), Cobi
patent: 4431347 (1984-02-01), Gillen
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