Method and system for punctual fastening a waterproofing...

E - Fixed Constructions – 02 – B

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E02B 3/16 (2006.01) E02B 5/02 (2006.01)

Patent

CA 2735039

A method and a system for punctual fastening a waterproofing and protective membrane (13) of plastic material, for protective and waterproofing surfaces (19) of hydraulic works (10), such as canals, tunnels, dams and the like. In relation to surface areas subjected to fluid and/or wind actions, the protective membrane (13) is fastened to the concrete structure (11 ) of the hydraulic work and/or to ground (37) by a system of punctual fastening devices (15, 16). Each fastening device (15, 16) comprises an anchoring member (23, 32, 36) to penetrate into the concrete structure (11) and/or into ground (12) along a wished depth, provided with a tie rod or fastening end portion (231, 35, 40) partially protruding from the surface (10) to be covered, to which the protective membrane (13) is sealingly fastened and pressed against the surface area of the hydraulic structure and/or ground by locking means (25, 26, 27, 28, 29); the locking means are conformed to provide a wide annular contact surface area with the membrane (13), suitable to transmit forces and/or strains to the punctual fastening devices (15).

L'invention concerne un procédé et un système destinés à la fixation ponctuelle dune membrane imperméable et protectrice (13) en matière plastique en vue de la protection et de limperméabilisation de surfaces (19) douvrages hydrauliques (10), tels que des canaux, des tunnels, des barrages et similaires. Par rapport aux zones de surface exposées aux actions dun fluide et/ou du vent, la membrane protectrice (13) est fixée à la structure (11) en béton de louvrage hydraulique et/ou au sol (37) par un système de dispositifs (15, 16) de fixation ponctuelle. Chaque dispositif (15, 16) de fixation comporte un élément (23, 32, 36) dancrage prévu pour senfoncer dans la structure (11) en béton et/ou dans le sol (12) sur une profondeur souhaitée, muni dune tige de rattachement ou dune partie (231, 35, 40) dextrémité de fixation dépassant partiellement de la surface (10) à recouvrir, à laquelle la membrane protectrice (13) est fixée de manière étanche tout en étant plaquée contre la zone de surface de la structure hydraulique et/ou du sol par des moyens (25, 26, 27, 28, 29) de blocage ; lesdits moyens de blocage sont mis en forme de façon à donner une zone de surface annulaire étendue de contact avec la membrane (13), convenant pour transmettre des efforts et/ou des déformations aux dispositifs (15) de fixation ponctuelle.

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