Tunnel liner building method and building panels therefor

Details Tunnel liner building method and building panels therefor Tunnel liner building method and building panels therefor

1998-06-08

1999-11-09

Taylor, Dennis L.

Hydraulic and earth engineering

Underground passageway, e.g., tunnel

Lining

52528, 52539, 405124, 4051501, E21D 1100, E04D 100

Patent

active

059801565

ABSTRACT:
Tunnel liners are formed from panels of arched sheet material. The panels include a central portion, inclined side portions and wing portions. One of the wing portions has a hook portion and the other of the wing portions has a receptacle portion. The hook portions and receptacle portions are constructed so as to snap-fit with respective receptacle portions and hook portions of adjacent panels. Panels can thus be more easily be assembled together. Panels can also be continuously seamed together from the underside, i.e., from within an arched assembly of panels.

REFERENCES:
patent: 3706172 (1972-12-01), Keith
patent: 4224775 (1980-09-01), Heckelsberg
patent: 4312166 (1982-01-01), Mock
patent: 4674921 (1987-06-01), Berger
patent: 4694628 (1987-09-01), Vondergoltz et al.
patent: 5022207 (1991-06-01), Hartnett
patent: 5393173 (1995-02-01), Morello
patent: 5519974 (1996-05-01), Greeberg
patent: 5675955 (1997-10-01), Champagne
patent: 5725638 (1998-03-01), Cross et al.

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