E - Fixed Constructions – 01 – D
Patent
E - Fixed Constructions
01
D
E01D 22/00 (2006.01) E04C 5/07 (2006.01) E04G 23/02 (2006.01)
Patent
CA 2236035
The present invention relates to a repair and reinforcement method for preexisting structures such as buildings or the like, and in particular, relates to a repair and reinforcement method for concrete structures, and to an anisotropic textile employed in this method. The present invention provides a method which permits execution even in low temperature conditions, and which moreover exhibits superior repair and reinforcement effects in a short period of time; during the impregnation of a resin into a sheet material comprising reinforcement fibers and the curing of this resin to form a fiber- reinforced resin layer which is used in the repair and reinforcement of preexisting structures, a reactive mixture having a gelling period of 15 minutes or more at a temperature of 20°C and which polymerizes even at 5°C and is curable within 6 hours, and which has as chief components thereof a monomer containing vinyl groups and a reactive oligomer polymer having vinyl groups and/or a thermoplastic polymer, is employed as the resin. Furthermore, the present invention provides an anisotropic textile for use in the repair and reinforcement of preexisting structures.
La présente invention concerne un procédé de réparation ou de renforcement de structures existantes, telles que des bâtiments, en particulier des structures en béton. Ce procédé peut être appliqué à basse température et fait preuve d'une efficacité de réparation ou de renforcement élevée en peu de temps. Il consiste à utiliser une couche de résine renforcée par des fibres, préparée par imprégnation d'une feuille de fibres de renforcement avec une résine qui est ensuite durcie. Elle comprend un mélange réactif, composé principalement d'un monomère vinylique ayant un temps de gélification de 15 minutes ou davantage à 25 DEG C, et capable d'être polymérisé même à 5 DEG C et durci dans les six heures, ainsi que d'un oligomère vinylique réactif ou d'un polymère thermoplastique, ou des deux à la fois.
Aoki Toshikazu
Fukumoto Masayuki
Hayashi Shigetsugu
Konishi Hideo
Sano Tomowo
Goudreau Gage Dubuc
Mitsubishi Rayon Co. Ltd.
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