Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Patent
1989-06-23
1990-04-03
Corbin, David H.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Flow control
5216914, 405116, E02B 316, E02B 700
Patent
active
049135830
ABSTRACT:
The side of a hydraulic structure in contact with the water is covered with an impermeable membrane consisting of series of plastics so-called GEOSELLS which feature scales. These are interlocked with each other and then welded together edge to edge, and fixed to the structure by vertical fixings allowing movement of the GEOSELLS. This also favors drainage and initiation of microfissures regularly distributed in the structure. A granular coating is applied to the external surface at a raised temperature. This method is particularly suited to sealing granular rubble structures with or without binder. In rigid structures the binder may be a cement or a cement derivative, possibly a resin ("roller compacted concrete"). In flexible structures the binder may be a resin or a textile with or without reinforcing elements.
REFERENCES:
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patent: 2128681 (1938-08-01), Logeman
patent: 3680319 (1972-08-01), Draper et al.
patent: 4090363 (1978-05-01), List et al.
patent: 4525960 (1985-07-01), Kelman
patent: 4659252 (1987-04-01), Sexton
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