Hydraulic and earth engineering – Underground passageway – e.g. – tunnel
Patent
1981-05-06
1983-12-27
Taylor, Dennis L.
Hydraulic and earth engineering
Underground passageway, e.g., tunnel
405138, 405184, E21D 904
Patent
active
044227981
ABSTRACT:
An improved process for the construction of an underground structure, such as a tunnel, as well as the structure thus obtained, are disclosed. A first longitudinal underground passage comprising a series of mechanically resistant pipes is sunk into the soil and a vertical trench is dug beneath the first passage from openings provided in the bottom of the first passage. This trench is filled with concrete and defines a first lateral wall of the structure. Lateral openings in the first passage also are provided, through which another series of mechanically resistant pipes is horizontally driven to form the roof of the structure. A second vertical wall is thereafter formed from a second vertical trench to form a second lateral wall of the structure. Alternatively, first and second longitudinal passages and vertical walls may be constructed simultaneously, and the roof pipes driven from one or both of the longitudinal passages.
REFERENCES:
patent: 2325565 (1943-07-01), Williams
patent: 2377012 (1945-05-01), Jacobs
patent: 3631680 (1972-01-01), Thomson
patent: 3968655 (1976-07-01), McGlothlin
patent: 4139320 (1979-02-01), Ueno et al.
Compagnie Internationale des Pieux Armes Frankignoul
Taylor Dennis L.
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