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Perfeccionamientos en la fabricación de canales pretensados, caracterizados porque sobre el tubo de cemento o plancha metálica dé la longitud deseada, se aplican unos alambres sujetados por un anclaje en cada extremo, procediendo al tensado de los mismos mediante un dinamómetro, hasta obtener la tensión requerida procediendo a continuación a la inyección de mortero de cemento con mezcla de pasta gomosa hasta obtener el grueso deseado.
ES0257557A1960-04-231960-04-23Perfeccionamientos en la fabricaciën de canales pretensados
ExpiredES257557A1
(es)