Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Patent
1999-03-01
2000-10-03
Taylor, Dennis L.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Flow control
405 16, 405 21, 405 91, 405115, E02B 708, E02B 306, E02B 702
Patent
active
061263621
ABSTRACT:
A protective bank damming device useful for damming and controlling the flow of a liquid, the liquid most commonly being water. The damming device barrier member is inflated with water to provide a form to the barrier member, and anchoring weight to keep the barrier secured to the substrate surface. The barrier member provides support for a skirt member extending from the top side of the barrier to a skirt distal edge abutting against the flood side substrate surface. A skirt sealing means is applied along the skirt distal edge, with the purpose of preventing leakage under the skirt and barrier member, and utilizing natural leakage inherent in this type of liquid-anchored dam, reducing the hydrostatic pressure under the skirt and barrier relative to the dammed water. This pressure differential keeps the damming device securely anchored to the surface. Other embodiments include draining means formed in the construction of the barrier, and also a means by which the barrier may be secured to a substrate surface as a suction anchored damming device. The stability of this protective bank allows water to exceed the height of the dam, and a spillway is provided to re-direct the spill to a non-eroding direction on the dry side of the dam. Other features are parallel conjoined hose-casing barrier members formed of a single casing folded back with the open ends connected, allowing water to flow from one hose-casing section to the parallel attached casing section, and the folded back ends providing a naturally flat end profile perpendicular to the surface, and a profiling means for altering the end profile.
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Book: "Tensile Structures" by Frei Otto 1962 text: p. 144 drawing: p. 145.
Carter Daniel B.
Carter Timothy L.
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