Application of thin-walled high strength steel has become a trend in the oil and gas transportation system over long distance. Failure assessment is an important issue in the construction and maintenance of the pipelines. This work provides an engineering estimation procedure to determine the J-integral for the thin-walled pipes with small constant-depth circumferential surface cracks subject to the tensile loading based upon the General Electric/Electric Power Research (GE/EPRI) method. The values of elastic influence functions for stress intensity factor and plastic influence functions for fully plastic J-integral are derived in tabulated forms through a series of three-dimensional (3D) finite element (FE) calculations for a wide range of crack geometries and material properties. Furthermore, the fit equations for elastic and plastic influence functions are developed, where the effects of crack geometries are explicitly revealed. The new influence functions lead to an efficient J estimation and can be well applied for structural integrity assessment of thin-walled pipes with small constant-depth circumferential surface cracks under tension.
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February 2018
Research-Article
Improved J Estimation by GE/EPRI Method for the Thin-Walled Pipes With Small Constant-Depth Circumferential Surface Cracks
X. Liu,
X. Liu
Institute of Solid Mechanics,
Beijing University of Aeronautics
and Astronautics,
Beijing 100191, China
e-mail: liuxia@lnm.imech.ac.cn
Beijing University of Aeronautics
and Astronautics,
Beijing 100191, China
e-mail: liuxia@lnm.imech.ac.cn
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Z. X. Lu,
Z. X. Lu
Institute of Solid Mechanics,
Beijing University of Aeronautics
and Astronautics,
Beijing 100190, China
e-mail: luzixing@buaa.edu.cn
Beijing University of Aeronautics
and Astronautics,
Beijing 100190, China
e-mail: luzixing@buaa.edu.cn
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Y. Chen,
Y. Chen
State Key Laboratory of Nonlinear Mechanics,
Institute of Mechanics,
Chinese Academy of Science,
Beijing 100190, China;
Institute of Mechanics,
Chinese Academy of Science,
Beijing 100190, China;
School of Engineering Science,
University of Chinese Academy of Sciences,
Beijing 101408, China
e-mail: chenyan@lnm.imech.ac.cn
University of Chinese Academy of Sciences,
Beijing 101408, China
e-mail: chenyan@lnm.imech.ac.cn
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Y. L. Sui,
Y. L. Sui
Pipeline Research Institute of China National
Petroleum Corporation,
Langfang Hebei 065000, China
e-mail: suiyl1970@126.com
Petroleum Corporation,
Langfang Hebei 065000, China
e-mail: suiyl1970@126.com
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L. H. Dai
L. H. Dai
State Key Laboratory of Nonlinear Mechanics,
Institute of Mechanics,
Chinese Academy of Science,
Beijing 100190, China;
Institute of Mechanics,
Chinese Academy of Science,
Beijing 100190, China;
School of Engineering Science,
University of Chinese Academy of Sciences,
Beijing 101408, China
e-mail: lhdai@lnm.imech.ac.cn
University of Chinese Academy of Sciences,
Beijing 101408, China
e-mail: lhdai@lnm.imech.ac.cn
Search for other works by this author on:
X. Liu
Institute of Solid Mechanics,
Beijing University of Aeronautics
and Astronautics,
Beijing 100191, China
e-mail: liuxia@lnm.imech.ac.cn
Beijing University of Aeronautics
and Astronautics,
Beijing 100191, China
e-mail: liuxia@lnm.imech.ac.cn
Z. X. Lu
Institute of Solid Mechanics,
Beijing University of Aeronautics
and Astronautics,
Beijing 100190, China
e-mail: luzixing@buaa.edu.cn
Beijing University of Aeronautics
and Astronautics,
Beijing 100190, China
e-mail: luzixing@buaa.edu.cn
Y. Chen
State Key Laboratory of Nonlinear Mechanics,
Institute of Mechanics,
Chinese Academy of Science,
Beijing 100190, China;
Institute of Mechanics,
Chinese Academy of Science,
Beijing 100190, China;
School of Engineering Science,
University of Chinese Academy of Sciences,
Beijing 101408, China
e-mail: chenyan@lnm.imech.ac.cn
University of Chinese Academy of Sciences,
Beijing 101408, China
e-mail: chenyan@lnm.imech.ac.cn
Y. L. Sui
Pipeline Research Institute of China National
Petroleum Corporation,
Langfang Hebei 065000, China
e-mail: suiyl1970@126.com
Petroleum Corporation,
Langfang Hebei 065000, China
e-mail: suiyl1970@126.com
L. H. Dai
State Key Laboratory of Nonlinear Mechanics,
Institute of Mechanics,
Chinese Academy of Science,
Beijing 100190, China;
Institute of Mechanics,
Chinese Academy of Science,
Beijing 100190, China;
School of Engineering Science,
University of Chinese Academy of Sciences,
Beijing 101408, China
e-mail: lhdai@lnm.imech.ac.cn
University of Chinese Academy of Sciences,
Beijing 101408, China
e-mail: lhdai@lnm.imech.ac.cn
1Corresponding author.
Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received December 18, 2016; final manuscript received September 28, 2017; published online November 30, 2017. Assoc. Editor: David L. Rudland.
J. Pressure Vessel Technol. Feb 2018, 140(1): 011201 (10 pages)
Published Online: November 30, 2017
Article history
Received:
December 18, 2016
Revised:
September 28, 2017
Citation
Liu, X., Lu, Z. X., Chen, Y., Sui, Y. L., and Dai, L. H. (November 30, 2017). "Improved J Estimation by GE/EPRI Method for the Thin-Walled Pipes With Small Constant-Depth Circumferential Surface Cracks." ASME. J. Pressure Vessel Technol. February 2018; 140(1): 011201. https://doi.org/10.1115/1.4038226
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