Apparatus and method for tunnel construction with shield drive

Details Apparatus and method for tunnel construction with shield drive Apparatus and method for tunnel construction with shield drive

1982-02-12

1985-12-10

Corbin, David H.

Hydraulic and earth engineering

Underground passageway, e.g., tunnel

Boring

405145, E21D 906, E21D 1110

Patent

active

045576270

ABSTRACT:
In tunnel construction with shield drive locational concrete is brought in stages directly behind the shield as tunnel lining. In order not to have to interrupt the shield progress during concreting it is proposed to provide a shield tail element consisting of a plurality of lamina movable relative to the shield, in addition to a shield tail element attached rigidly to the shield. This basically stands still during the continuous progress of the shield and is drawn forward into the shield by lamina only during the segment concreting, in order to remain immobile there relative to the earth until the next concreting stage.

REFERENCES:
patent: 3266257 (1966-08-01), Larrouze et al.
patent: 4155668 (1979-05-01), Heitkamp et al.

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