It is a construction-induced joint that combines excellent crack-inducing performance with high water-stopping ability.
The "KB Joint AR Type," a crack-inducing joint material for construction by Nippon Kasetsu, features high water-stopping performance and excellent workability, making it suitable for walls with a small cover thickness.
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basic information
Temperature changes due to factors other than external forces, such as the hydration heat of cement and ambient temperature, can cause variations, and when deformation is restrained, cracks may occur. To concentrate such cracks in predetermined locations, a section loss is created, and cracks are artificially induced, which is known as a crack-inducing joint. The water-stopping material installed within the cover protects against water leakage and corrosion of the rebar for an extended period "without relying on sealing." Because the progression of carbonation is rapid in architectural structures, effective water stopping is achieved within the concrete. The water-stopping material with section loss and the guiding steel plate allow for easy adjustment of the required amount of section loss. Additionally, with a one-touch fixation using spring materials, anyone can easily and accurately secure it.
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P3
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Development, design, manufacturing, sales, and rental of temporary construction materials / First-class architect office for construction materials, civil engineering materials, scaffolding-related products, formwork-related products, safety and security products, various prefabricated items, and special fabricated hardware, as well as general development, design, manufacturing, sales, and rental of temporary construction materials. Covers a wide range from development, design, guidance, to construction of various construction methods.
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