SUPER drainage well

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last updated：Mar 10, 2026

橋梁技建

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Achieving leak prevention through increased adhesion strength with the concrete slab!

The "SUPER Drainage Pit" is a hybrid new type of bridge drainage pit that uses FRP and embedded KK formwork. It enhances the watertightness of the concrete slab and improves the aesthetic appearance of the surface. Since no water channels are formed for leakage, it helps to minimize the impact on the surrounding environment. By embedding the drainage pit within the concrete slab structure, it suppresses the occurrence of freezing on the surface of the slab. Preventing concrete cracking also contributes to preventing the reduction of the slab's strength. 【Features】 ■ Prevention of leakage due to increased adhesion strength with the concrete slab ■ Maintenance of the aesthetic appearance of the concrete surface ■ Suppression of freezing occurrence due to embedded formwork ■ Prevention of strength reduction in the slab *For more details, please download the PDF or feel free to contact us.

Related Link - https://www.kyoryogiken.co.jp/

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【Other Features】 ■ The embedded formwork (KK form) with a rib structure physically prevents water infiltration and leakage from the wall railing section. ■ After a 4-month exposure test, it was confirmed that there were no leaks or cracks around the drainage pit. * For more details, please download the PDF or feel free to contact us.