Method of, and apparatus for, driving and lining tunnels

Details Method of, and apparatus for, driving and lining tunnels Method of, and apparatus for, driving and lining tunnels

1978-02-15

1979-04-03

Shapiro, Jacob

Hydraulic and earth engineering

Underground passageway, e.g., tunnel

Boring

E21D 1100

Patent

active

041474538

ABSTRACT:
Apparatus for driving and lining tunnels utilizes a knife shield for driving a tunnel and shuttering for forming a concrete lining behind the knife shield. The shuttering is constituted by a plurality of shuttering elements, each of which is connected to, and inwardly off-set from, a respective knife. The shuttering elements are, therefore, advanced together with their knives and concrete is forced into the space between a shuttering element and the tunnel wall as that element is advanced.

REFERENCES:
patent: 3372553 (1968-03-01), Samoilov
patent: 3657897 (1972-04-01), Krismer, Jr.
patent: 4063425 (1977-12-01), Jutte et al.

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