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QIAO Guiying, LIU Yumeng, HAN Xiulin, WANG Xu, XIAO Furen. Simulation study on effects of geometry size of weld joint on bearing capacity of steel pipe[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2017, 38(3): 33-36.
Citation: QIAO Guiying, LIU Yumeng, HAN Xiulin, WANG Xu, XIAO Furen. Simulation study on effects of geometry size of weld joint on bearing capacity of steel pipe[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2017, 38(3): 33-36.
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Simulation study on effects of geometry size of weld joint on bearing capacity of steel pipe

  • 1.

    College of Mechanical Engineering, Hebei Key Laboratory of Applied Chemistry, Yanshan University, Qinhuangdao 066004, China;College of Materials Science and Engineering, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China

  • 2.

    College of Mechanical Engineering, Hebei Key Laboratory of Applied Chemistry, Yanshan University, Qinhuangdao 066004, China

  • 3.

    Steel Pipe Research Institute, Bohai Equipment Research Institute, Qingxian 062658, China

  • 4.

    College of Materials Science and Engineering, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China

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  • Received Date: December 09, 2014
    Graphical Abstract
    • Abstract
  • In order to study the effect of the softening of welding heat affected zone (HAZ) on the operation security of pipeline, the effects of weld geometry size on bearing capacity of submerged arc welded pipe with double-side longitudinal seam under bearing internal pressure conditions were simulated and analyzed by finite element simulation based on the ANSYS software. Results show that the maximum stress occurs in HAZ because of the softening effect and the weld reinforcement, as well as the weld geometry size. As the penetration depths of both the inside and outside weld seams are at certain values, there exist the optimal matchs between the maximal bearing pressure and the weld widths of both the inside weld and the outside weld. As the weld widths of weld seams are at certain values, the moderates increase of penetration depths of both the inside and outside weld seams can increase the bearing capacity. In addition, the weld geometry size can affect the location of maximum stress occurred.
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    • References (9)
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