Method of making a high-capacity earthbound structural reference

Details Method of making a high-capacity earthbound structural reference Method of making a high-capacity earthbound structural reference

1980-11-20

1983-10-25

Corbin, David H.

Hydraulic and earth engineering

Foundation

Columnar structure

405239, 405262, E02D 544

Patent

active

044115571

ABSTRACT:
The invention contemplates an earth-anchor or the like structural reference which is cast in cementatious filling at the installation site and which relies upon a particularly characterized bored cavity in the underground medium to permit primary reliance upon the confined compressive strength of the medium, thereby substantially increasing the load capacity of the reference, as compared to prior constructions. To achieve this result, the bored cavity is characterized by one or more wall surfaces of relatively uniform slope with respect to the axis of the bore, the slope being dependent upon the particular medium. The invention is described in application to a foundation pile or caisson, and to an earth anchor, to illustrate compressional and tensional uses.

REFERENCES:
patent: 890765 (1908-06-01), Gilbreth
patent: 987266 (1911-03-01), Smith
patent: 1888282 (1932-11-01), Miller
patent: 2027511 (1936-01-01), Bertran
patent: 3191390 (1965-06-01), Schutte
patent: 3745776 (1973-07-01), Hubby
patent: 3952818 (1976-04-01), Jasper
patent: 4069677 (1978-01-01), Yamada et al.

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