Hollow profile, especially a pipe or slotted ring, made of reinforced concrete comprises a combined prestressed and non-prestressed reinforcement extending along the profile length

摘要

Hollow profile, especially a pipe (1) or slotted ring, made of reinforced concrete comprises a combined prestressed and non-prestressed reinforcement (7, 6) extending along the profile length. Independent claims are also included for: (1) Production of hollow profiles, especially pipes or slotted rings, from reinforced concrete; and (2) Device for carrying out the above process. Preferred Features: The hollow profile is made of free-flowing concrete and is at least four meters long. The hollow profile has a foot section (2) in which at least part of the prestressed reinforcement runs.