Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Lining
Patent
1982-03-19
1984-03-27
Taylor, Dennis L.
Hydraulic and earth engineering
Underground passageway, e.g., tunnel
Lining
521695, 210344, 405151, E21D 1100
Patent
active
044390661
ABSTRACT:
This invention discloses a prefabricated liner plate for lining the interior of a subterranean tunnel as a primary lining. The liner plate is formed in such a manner that an outer arcuate face has a depression formed therein so that a filter placed in the depression permits water flow therethrough, but prevents the passage of surrounding soil particles therethrough. Suitable conduit means allow any water which may pass through the filter to be bled through the liner plate and led out of the tunnel.
REFERENCES:
patent: 3387711 (1968-06-01), Rickert
patent: 3474909 (1969-10-01), Kearns
patent: 3654765 (1972-04-01), Healy et al.
patent: 3929648 (1975-12-01), Cuthbert
patent: 4000595 (1977-01-01), Fortescue
patent: 4045964 (1977-09-01), Barclay
Oldham E. H.
Taylor Dennis L.
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