Shuttering for establishing concrete lining of tunnels

Details Shuttering for establishing concrete lining of tunnels Shuttering for establishing concrete lining of tunnels

1980-05-07

1983-02-01

Corbin, David H.

Hydraulic and earth engineering

Underground passageway, e.g., tunnel

Lining

405146, E21D 1100

Patent

active

043712908

ABSTRACT:
A characteristic feature of the proposed shuttering is the fact that its adjacent sections are interconnected through means preventing them from being mutually inclined in a vertical plane; said means is interposed between said sections and is made as a bar and four links mounted in pairs on pivots at the bar ends, while ends of the links are connected, through ball-and-socket joints, to the respective sections; said bar being composed of at least two members swivelling with respect to each other about a common longitudinal axis.

REFERENCES:
patent: Re26132 (1967-01-01), Cerutti
patent: 3733835 (1973-05-01), Jacobs

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