Method for forming a hole in the earth

Details Method for forming a hole in the earth Method for forming a hole in the earth

1979-06-04

1980-12-30

Novosad, Stephen J.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

405287, 175 62, E02D 1704, E02D 2902

Patent

active

042420130

ABSTRACT:
In forming holes in the earth, a circular frame of columns supported by structural members is placed in the earth to provide lateral support for the side walls of the hole while the hole is being excavated and after the hole is excavated. The structural members are generally concentric with the circle formed by the columns and, in reaction to the compressive forces of the earth acting on the columns, compressed between at least two columns. The method is specially adapted for use in forming holes in loose soils.

REFERENCES:
patent: 363419 (1887-05-01), Poetsch
patent: 3710579 (1973-01-01), Killmer

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