Zhang Duihong, Lv Yingmin. J Integral Calculation of Axial Cracks of Pipeline Subjected to Internal Pressure[J]. Oil & Gas Storage and Transportation, 1999, 18(6): 22-25.
Citation: Zhang Duihong, Lv Yingmin. J Integral Calculation of Axial Cracks of Pipeline Subjected to Internal Pressure[J]. Oil & Gas Storage and Transportation, 1999, 18(6): 22-25.

J Integral Calculation of Axial Cracks of Pipeline Subjected to Internal Pressure

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  • Received Date: November 29, 1998
  • Available Online: August 22, 2023
  • Combined with Paris equation and weight function method, J integral calculation method for axial cracks of pipeline subjected to internal pressure is presented in this paper. The method is in terms of revised J integral expression deducted by Karlson and Backlund, considering the condition that the crack surface is loaded. Meanwhile, the above calculation method is compared with other calculation methods.
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