Tunnel lining form

Details Tunnel lining form Tunnel lining form

1984-11-21

1986-11-11

Taylor, Dennis L.

Hydraulic and earth engineering

Underground passageway, e.g., tunnel

Boring

405238, 405150, E21D 906

Patent

active

046219480

ABSTRACT:
A tunnel casing is formed by cylindrical casing sections whose proximal flanges are not only bridged by the usual drawbolts tending to pull the casing sections toward one another, seals and centering elements, but also are provided with wedge or hydraulic spacers which can fix the gap widths at the respective joints by hydraulic or wedge blocking to take up pressure forces which cannot be sustained by the drawbolts.

REFERENCES:
patent: 3483706 (1969-12-01), Taradash et al.
patent: 3561223 (1971-02-01), Tabor
patent: 3695044 (1972-10-01), Hoshino et al.
patent: 3707846 (1973-01-01), Leblond et al.
patent: 3818710 (1974-06-01), Chlumecky
patent: 3859802 (1975-01-01), Platner et al.

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