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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.35 No.2
- 발행연도
- 2020.1
- 수록면
- 171 - 186 (16page)
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This paper aims at providing insights on the use of thermosetting liner for the repair of offshore pipelines exposed to corrosion and leakage. The work which covers both experimental and numerical approaches were aspired due to the high cost of repair for pipelines, limitations of thermoplastic material and limited study of reinforced thermosetting liner. The experiment involves a destruction test called the burst test, carried out on an API 5L X42 carbon steel pipe under four case studies, namely (i) intact pipe, (ii) pipe with corrosion defect, (iii) pipe with corrosion defect and repaired with thermosetting liner and (iv) pipe with leakage and repaired with thermosetting liner. The numerical simulation was developed to first validate the experimental results and later to optimize the design of the thermosetting liner in terms of the number of layers required to restore the original strength of the pipe. The burst test shows an improvement in 23% of the burst capacity for the pipe with corrosion defects, after being repaired with a three-layer thermosetting liner. The parametric studies conducted showed that with an addition of thermosetting layers, the burst capacity improves by an average of 1.85 MPa. In conclusions, the improvement in strength can be further increased with increasing thickness of the thermosetting liner. The thermosetting liner was also determined to fail first inside the host pipe.
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참고문헌 (47)
참고문헌 신청
2013 / 4 Subsea, Un-bonded flexible risers – Recent field experience and actions for increased robustness / PSA
Abdalla Filho, J. / 2010 / Evaluation of residual strength of pipelines containing corrosion defects / Proceedings of the 10th International Conference on Computational Structures Technology
J.E. Abdalla Filho / 2014 / On the failure pressure of pipelines containing wall reduction and isolated pit corrosion defects / Computers & Structures 132:22~33
T. Abel / 2015 / Laboratory tests of pipelines reinforced with close-fit Trolining liner / Archives of Civil and Mechanical Engineering 15(2):427~435
T. Abel / 2015 / Changes in strength parameters of pipelines rehabilitated with close-fit Trolining liners – Numerical analysis based on laboratory tests / Archives of Civil and Mechanical Engineering 16(1):30~40
Abdalla Filho, J. / 2010 / Evaluation of residual strength of pipelines containing corrosion defects / Proceedings of the 10th International Conference on Computational Structures Technology
J.E. Abdalla Filho / 2014 / On the failure pressure of pipelines containing wall reduction and isolated pit corrosion defects / Computers & Structures 132:22~33
T. Abel / 2015 / Laboratory tests of pipelines reinforced with close-fit Trolining liner / Archives of Civil and Mechanical Engineering 15(2):427~435
T. Abel / 2015 / Changes in strength parameters of pipelines rehabilitated with close-fit Trolining liners – Numerical analysis based on laboratory tests / Archives of Civil and Mechanical Engineering 16(1):30~40
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