Ibiraro bya hydraulic arch byerekana iterambere ryibanze mubijyanye nubwubatsi, guhuza kugenda no gusugirahamya. Ibi biraro bikoresha uburyo bwa hydraulic muguhindura no guhagarika, kubafasha koherezwa neza mubutaka butandukanye. Igishushanyo cyabo kirangwa cyane cyane nuburyo bwa arch, ntabwo butanga ubwiza gusa
