Flexible sheet dams

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control

Patent

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Details

405 91, E02B 704

Patent

active

048367133

ABSTRACT:
A flexible sheet dam is secured to the riverbed along two securing lines at upstream and downstream sides. In this dam, at least one concave and/or convex region is made in the plane of the riverbed between the two securing lines in a direction parallel to the securing lines, whereby the complete deflation of the dam can be attained without trouble.

REFERENCES:
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patent: 2609666 (1952-09-01), Mesnager
patent: 4167358 (1979-09-01), Besha
patent: 4243434 (1981-01-01), Hartley et al.
patent: 4279540 (1981-07-01), Suga et al.
patent: 4299514 (1981-11-01), Muramatsu et al.
patent: 4352591 (1982-10-01), Thompson
patent: 4557839 (1985-12-01), Tubbs et al.
patent: 4661015 (1987-04-01), Tsuji et al.
patent: 4662783 (1987-05-01), Muramatsu et al.
patent: 4696598 (1987-09-01), Tsuji et al.

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