Failure analysis of corroded pipelines reinforced with composite repair systems |
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| Affiliation: | 1. Laboratory of Theoretical and Applied Mechanics, Graduate Program in Mechanical Engineering, Universidade Federal Fluminense, Rua Passo da Pátria 156, 24210-240, Niterói, RJ, Brazil;2. NRI — Neptune Research Inc., 3875 Fiscal Ct., Ste #100, Riviera Beach, FL 33404, USA;3. Research and Development Center — CENPES, Petróleo Brasileiro S.A. — PETROBRAS, Av. Horácio de Macedo 950, 21941-915, Cidade Universitária, Ilha do Fundão, Rio de Janeiro, RJ, Brazil |
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| Abstract: | The present paper is concerned with the analysis of corroded thin-walled metallic pipes reinforced with polymer based composite repair systems. The goal is to propose a simple methodology to predict the failure pressure of a reinforced pipeline with arbitrary geometry of the corroded region and considering any composite repair system. Hydrostatic tests performed in different laboratories were used to validate the proposed methodology, showing that a simple expression allows estimating a lower bound for the failure pressure. |
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