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

1992-07-22

1995-02-28

Friedman, Carl D.

Hydraulic and earth engineering

Underground passageway, e.g., tunnel

Lining

52 86, 52528, 52529, E21D 1124

Patent

active

053931734

ABSTRACT:
Tunnel liners are formed from panels of arched, bendable sheet material. The panels include a central portion, inclined side portions, wing portions, and hook and receptacle portions on opposite sides of each panel. Panels are joined with the hook portion of one panel fitting into the receptacle portion of the other panel and are then continuously seamed from the underside, i.e., the inside of the arched assembly.

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