Journal
3RD INTERNATIONAL CONFERENCE ON STRUCTURAL INTEGRITY (ICSI 2019)
Volume 17, Issue -, Pages 520-525Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.prostr.2019.08.069
Keywords
pipe; corrosion; defect; operation
Funding
- Slovak Research and Development Agency [APVV-17-0666]
- Research & Development Operational Programme - ERDF Science city Bratislava [ITMS: 26240220084]
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The criterion of pipeline operation safety presents the ratio between the burst and the operation pressure. Correctly set values of burst pressure in the pipelines are a distinct task only in case of ideal pipe, as for such a case, there exist an analytical solution. In the actual operation however, the burst pressure value is influenced by the floor status, pipe surface corrosion defects, and further aspects, which can hardly be quantified. The authors state in the article, that the utilization of semi-empiric relations from the standards DNV-RE-F101 or ASME B31G, can lead to biased results. Experimental measurements of burst pressures can quantify these biases. The methodology of destructive pressure calculation for pipeline with local weakness of wall thickness using the numerical models which are verified by direct measuring of those pressures is presented. (C) 2019 The Authors. Published by Elsevier B.V.
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