Method of forming flooring in tunnels

Details Method of forming flooring in tunnels Method of forming flooring in tunnels

1980-07-18

1983-08-02

Taylor, Dennis L.

Hydraulic and earth engineering

Underground passageway, e.g., tunnel

Lining

238 10R, 405146, 405132, E21D 1108

Patent

active

043963137

ABSTRACT:
A method for providing a flooring in a tunnel using a moving floor is disclosed herein. This method includes providing the moving floor with a flat, horizontally extending support surface extending rearwardly therefrom at floor level and movable therewith, advancing the moving floor and support surface, and placing precast concrete floor slabs to extend across the tunnel on the excavated tunnel invert exposed by the moving floor whereby to provide flooring along the length of the tunnel, each of the slabs being initially placed, one at a time, onto the support surface and adjacent the previous slab while remaining on the surface, and thereafter from the surface onto the tunnel invert as the moving floor and support surface are advanced.

REFERENCES:
patent: 3138327 (1964-06-01), Jacobs
patent: 3365895 (1968-01-01), Jacobs
patent: 3404920 (1968-10-01), Tabor
patent: 3650116 (1972-03-01), Cunningham
patent: 3905645 (1975-09-01), Bland
patent: 3990746 (1976-11-01), Foik et al.

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