Method of producing a subterranean structure

Details Method of producing a subterranean structure Method of producing a subterranean structure

1985-10-23

1987-03-10

Scanlan, Jr., Richard J.

Hydraulic and earth engineering

Underground passageway, e.g., tunnel

Boring

405132, 405149, E21D 900, E21D 1100

Patent

active

046487433

ABSTRACT:
In a method of producing a subterranean structure comprises the steps of excavating a ditch or hole in the ground to a desired subterranean level, placing the ceiling directly on the excavated ground at this level, filling the hole in the ground, and driving an arched tunnel into the ground below the ceiling, the ceiling is fixed in position and the ground is stabilized before the hole is filled and the arched tunnel is driven into the ground, by anchoring the ceiling with retaining elements projecting downwardly from the ceiling into the ground below, and arranging the retaining elements to form piles protecting the tunnel arch at respective sides thereof and preventing earth from crashing through the tunnel arch.

REFERENCES:
patent: 440576 (1890-11-01), Radcliffe
patent: 745457 (1903-12-01), McBean
patent: 902973 (1908-11-01), Knudsen
patent: 2839271 (1958-06-01), Kandle

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