The effect of the immobile membrane regeneration is immediately demonstrated, and it can suppress subsequent rebar corrosion!
The "Rehabilitation Capsule Method" is a repair method that can fundamentally suppress salt damage and neutralization. By pressurizing and injecting lithium nitrite, which is a permeable diffusion type, around the rebar in concrete, it is possible to regenerate the passive film on the rebar and fundamentally suppress further rebar corrosion. It is also effective for structures that cannot tolerate re-deterioration due to inherent salt or airborne salt. 【Features】 ■ Can reliably supply lithium nitrite to the rebar position in a short period ■ The effect of regenerating the passive film is immediately exhibited, allowing for the suppression of further rebar corrosion ■ The required amount of lithium nitrite can be quantitatively determined according to the amount of chloride ions *For more details, please refer to the PDF document or feel free to contact us.
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【Other Features】 ■ Construction Procedure 1. Drill holes of φ10mm in concrete structures at intervals of 500mm. 2. Inject lithium nitrite around the rebar in the concrete using a baby compressor (injection duration: approximately 5 to 8 days). 3. Fill all injection holes with epoxy resin. ■ Method for Calculating the Injection Amount of Lithium Nitrite - It can be quantitatively set based on the chloride ions in the concrete. ■ Follow-up Investigation After Repair - After construction, we confirm that no re-deterioration has occurred through observation over time. ■ Safety of Lithium Nitrite - A 40% aqueous solution of lithium nitrite does not fall under toxic or hazardous substances. - Lithium nitrite is not listed in the authoritative "Dangerous and Harmful Substances List." - Lithium nitrite is not listed in the authoritative "Carcinogenic Substances List." *For more details, please refer to the PDF document or feel free to contact us.
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Applications/Examples of results
【Scope of Application】 ■ Bridge superstructure (main girders, deck slabs), substructure (piers, abutments), box culverts, retaining walls, dams, etc. ■ When the deterioration process due to salt damage and carbonation is in the "acceleration phase" or later. *For more details, please refer to the PDF document or feel free to contact us.
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Company information
In April 2008, Kyokuto Kogyo Co., Ltd. and Kowa Concrete Co., Ltd. merged to take a new step forward as "Kyokuto Kowa Co., Ltd." Building on the trust we have received from our customers over the years, the various technologies cultivated by our predecessors, and the daily efforts of each of our employees, we aim to utilize the prestressed concrete technology that both companies excel in to create social infrastructure such as bridges, railways, marine structures, disaster prevention, and water supply and sewage systems that satisfy our customers. To create structures of even higher quality, we will strive for harmony between technology, people, and nature, continuously working towards the realization of further dreams and contributing to society and the community.
