Tunnel wall structure

Details Tunnel wall structure Tunnel wall structure

1983-08-04

1985-10-08

Murtagh, John E.

Hydraulic and earth engineering

Underground passageway, e.g., tunnel

Lining

405150, 52245, 138159, 220327, E21D 1100

Patent

active

045457018

ABSTRACT:
Arcuate concrete segments of a tunnel wall are joined together in the peripheral direction by abutting steel castings embedded and anchored in the segment ends, and nut and bolt assemblies interconnecting the castings. Longitudinally adjacent segments are joined together by arcuate openings through the segments, nesting positioning members at the interface between the segments, and arcuate nut and bolt assemblies extending through the openings and positioning members.

REFERENCES:
patent: 2363156 (1944-11-01), Sinner et al.
patent: 3695044 (1972-10-01), Hoshino et al.
patent: 3785097 (1974-01-01), Seymour
patent: 4318637 (1982-03-01), Oger et al.
patent: 4397583 (1983-08-01), Hornay et al.

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