Reinforced and Prestressed Concrete Pressure Pipe Diagnosisby Youssef G. Diab, Cent d'Entreprise et d'Innovation, Villeurbanne, France,
Abstract: Prestressed and reinforced concrete steel cylinder pipes are used for transmission mains, water intake lines, sewers force mains. Many collapses caused by the steel cylinder attack were observed on these pipes. In this paper, a global inspection and diagnosis method based of the evaluation of the soil-pipe interaction is presented. It considers the swelling of the steel cylinder and the cracks of internal and external concrete. This method can be applied for reinforced concrete pressure pipes and prestressed pressure concrete pipes.
Subject Headings: Reinforced concrete | Concrete pipes | Concrete cylinder pipes | Pressure pipes | Steel pipes | Prestressing | Prestressed concrete | Cylinders
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