Method and structural elements for construction underground gara

Details Method and structural elements for construction underground gara Method and structural elements for construction underground gara

1989-11-20

1991-04-30

Corbin, David H.

Hydraulic and earth engineering

Underground passageway, e.g., tunnel

Cut and cover

405282, 405303, E21D 1000

Patent

active

050113313

ABSTRACT:
A method for constructing underground garage parking units comprises a step of excavating two parallel trenches into which are subsequently sunk preformed reinforced concrete frames each composed of two vertical pillars with an "H"-shaped cross-section and upper and lower horizontal connecting beams disposed between them. The vertical grooves forming the "H" sections being opposed and constituting a guide for the insertion of a plurality of sheet piles so as to form continuous retaining walls in said trenches. The lower of the plurality of sheet piles being subsequently removable with a sideways movement, after excavation of a corridor by removal of the earth between said two walls, for insertion of prefabricated garages at an oblique or right angle into the vertical portions of earth thus uncovered. The upper beams of the frame constituting a support for the floors of the corridor and the pillars having their vertical grooved faces preferably at a sufficient angle, with respect to a vertical plane perpendicular to the walls, as to constitute a guide for insertion of the garages.

REFERENCES:
patent: 2194279 (1940-03-01), Goldsborough
patent: 3412562 (1968-11-01), Doughty
patent: 3742718 (1973-07-01), Weiss et al.
patent: 3813885 (1974-06-01), Tabor
patent: 4073148 (1978-02-01), Zaretti
patent: 4116011 (1978-09-01), Girault
patent: 4388021 (1983-06-01), Weiss

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