Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Lining
Patent
1981-08-31
1984-03-27
Taylor, Dennis L.
Hydraulic and earth engineering
Underground passageway, e.g., tunnel
Lining
405132, 405150, 138173, E21D 1122
Patent
active
044390653
ABSTRACT:
Thin, sheet metal elements with longitudinally arranged corrugations are used for a gallery construction. The cross-sectional form of the thin, metal sheets is wavy. The construction elements are easy to handle, and can be quickly assembled to provide a provisional gallery. Final assembly with anchoring stays or with supporting arches can subsequently take place under the protection of the provisional construction.
REFERENCES:
patent: 2286197 (1942-06-01), Claybaugh
patent: 2536758 (1951-01-01), Macleod
patent: 3097494 (1963-07-01), Chapron
patent: 4252464 (1981-02-01), Habib
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