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焊缝几何尺寸对钢管承载能力影响的模拟分析

乔桂英, 刘雨萌, 韩秀林, 王旭, 肖福仁

乔桂英, 刘雨萌, 韩秀林, 王旭, 肖福仁. 焊缝几何尺寸对钢管承载能力影响的模拟分析[J]. 焊接学报, 2017, 38(3): 33-36.
引用本文: 乔桂英, 刘雨萌, 韩秀林, 王旭, 肖福仁. 焊缝几何尺寸对钢管承载能力影响的模拟分析[J]. 焊接学报, 2017, 38(3): 33-36.
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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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焊缝几何尺寸对钢管承载能力影响的模拟分析

  • 1.

    燕山大学 环境与化学工程学院河北省应用化学重点实验室, 秦皇岛 066004;燕山大学 材料科学与工程学院亚稳材料科学与制备技术国家重点实验室, 秦皇岛 066004

  • 2.

    燕山大学 环境与化学工程学院河北省应用化学重点实验室, 秦皇岛 066004

  • 3.

    渤海装备研究院输送装备分院, 青县 062658

  • 4.

    燕山大学 材料科学与工程学院亚稳材料科学与制备技术国家重点实验室, 秦皇岛 066004

基金项目: 国家自然科学基金资助项目（51171162，51671164）；河北省自然科学基金资助项目（E2011203169，E2015203234）

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

摘要

    摘要
  • 摘要: 为研究高强X80直缝埋弧焊管焊接热影响区软化对管线运行安全的影响，采用ANSYS有限元数值模拟软件分析了焊缝几何尺寸对双面埋弧焊直缝焊管内部承载能力的影响.结果表明，由于焊接热影响区强度软化及焊缝余高的影响，最大应力出现在热影响区处，并受到焊缝几何尺寸的影响；在内外焊缝熔深一定时，钢管的承载最大压力与内外焊缝的熔宽间存在最佳的匹配；在内外焊缝熔宽一定时，适当熔深可以增加钢管的承载能力；另外，焊缝的几何尺寸对最大应力出现的位置有一定的影响.
    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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    • 参考文献(9)
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  • 收稿日期:  2014-12-09

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