Method of and apparatus for the lining of a tunnel with concrete

Details Method of and apparatus for the lining of a tunnel with concrete Method of and apparatus for the lining of a tunnel with concrete

1984-12-20

1986-11-11

Corbin, David H.

Hydraulic and earth engineering

Underground passageway, e.g., tunnel

Boring

405150, E21D 906, E21D 1110

Patent

active

046219471

ABSTRACT:
A movable wall delimiting a space into which concrete is pumped between a shield lining a tunnel wall and an inner form is advanced by the concrete pressure relative to the shield. This movable wall can be braced by adjustable spring force relative to the shield.

REFERENCES:
patent: 3561223 (1971-02-01), Tabor

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