Dramatically improve the quality of the sheet joint area.
▼Overview The HKS method is a corrosion protection coating technique applied to concrete exposed to harsh corrosive environments. In traditional post-laminated sheet lining methods using prepreg, the seams become laps, raising concerns that ultraviolet light may not adequately penetrate, resulting in incomplete curing. The seam treatment in the HKS method employs a revolutionary corrosion protection coating technique that uses molded joint materials made of high corrosion-resistant vinyl ester resin FRP for joint treatment. ▼Features This method involves applying HKS sheets to concrete surfaces or cross-section repair surfaces that have been coated with primer, followed by ultraviolet irradiation to achieve complete curing and integration with the concrete. The joints feature a double structure where FRP molded products are installed with a highly corrosion-resistant sealing material, providing excellent durability. Compared to traditional post-laminated sheet lining methods that involve overlapping sheets for joint treatment, this method offers superior workability. Additionally, it possesses sufficient corrosion resistance for the harsh corrosive environments found in sewer-related facilities.
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▼Target Facilities - Sewage-related facilities We can respond to facilities in corrosive environments of Class I and II, such as primary sedimentation tanks, scum pits, common channels, sludge treatment tanks, sludge treatment pits, manholes, and pipelines. - Sewage-like facilities and human waste treatment facilities We can respond to facilities, such as waste and garbage treatment facilities, where extreme concrete corrosion is observed. - Private facilities We can respond to facilities exposed to corrosive environments, such as drainage tanks within factories and building pits.
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Japan Sewerage Corporation "Manual on Corrosion Control Technology and Anti-Corrosion Technology for Sewer Concrete Structures" conforms to the quality standards for Type D sheet lining method for post-application of molded products.
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Nihon Jikkou is a core company of a comprehensive engineering group that contributes to society through the production and sale of various related materials, starting with concrete anti-corrosion construction. Japan is now entering an era of high prevalence of social infrastructure such as water supply and sewage systems, with a vast number of concrete facilities being stockpiled. However, as these facilities age and deteriorate, it has become an urgent issue to systematically and effectively implement repair and maintenance measures to sustain them in the future. Nihon Jikkou and its group companies address these challenges by proposing optimal deterioration prevention measures based on environmental factors and facility characteristics, along with excellent construction techniques, thereby meeting all maintenance and management needs for concrete structures.