Tunnel formwork imhando yemhando yakasanganiswa formwork, iyo inosanganisa iyo formwork yekukanda-mu-nzvimbo madziro uye iyo formwork yekukanda-mu-nzvimbo pasi pahwaro hwekuvakwa kwehombe formwork, kuitira kutsigira formwork kamwe, sunga. iyo simbi bhaa kamwe, uye udururire madziro uye formwork kuita chimiro kamwe panguva imwe chete. Nekuda kwekuwedzera kwechimiro chechimiro ichi chakafanana nerectangular tunnel, inonzi tunnel formwork.