Process and device for the assembly of voussoirs for tunnel lini

Details Process and device for the assembly of voussoirs for tunnel lini Process and device for the assembly of voussoirs for tunnel lini

1980-01-15

1982-03-09

Taylor, Dennis L.

Hydraulic and earth engineering

Underground passageway, e.g., tunnel

Lining

52584, E21D 1122

Patent

active

043186378

ABSTRACT:
Two voussoirs forming part of a tunnel lining have their adjacent longitudinal sides in mutual contact, each side having a convex radial profile. The voussoirs are rigidly locked relative to each other by circumferential bolts 10 and by wedges 15 and 16 wedged into opposing recesses in the adjacent sides by radial bolts 17. In comparison to the 180.degree. relative angular position of the voussoirs which occurs when the radius of the lining is equal to that of the voussoirs, an angular position, higher or lower than 180.degree., can be used in order to obtain a lining radius larger or smaller than that of the voussoirs.

REFERENCES:
patent: 1307973 (1919-06-01), Hester
patent: 1844184 (1932-02-01), Schaefer et al.
patent: 2213402 (1940-09-01), Lowry
patent: 2384198 (1945-09-01), Sheldon
patent: 2404819 (1946-07-01), White
patent: 2962133 (1960-11-01), Kivett et al.
patent: 4037417 (1977-07-01), Oger

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