[1]李晓红,康勇.基于应变设计管道环焊缝缺陷评估[J].焊管,2009,32(7):65-67.[doi:1001－3938（2009）07－0065－03]
　LI Xiao-hong,Kang Yong.Girth Weld Defects Assessment of Strain-based Design Pipelines[J].,2009,32(7):65-67.[doi:1001－3938（2009）07－0065－03]
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基于应变设计管道环焊缝缺陷评估
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
32
期数:
2009年第7期
页码:
65-67
栏目:
管道建设
出版日期:
2009-07-28

文章信息/Info

Title:
Girth Weld Defects Assessment of Strain-based Design Pipelines
文章编号:
1001－3938（2009）07－0065－03
作者:
李晓红; 康勇
（西安石油大学 机械工程学院，西安 710065）
Author(s):
LI Xiao-hong; Kang Yong
(Mechanical Engineering Institute, Xi’an Shiyou University,Xi’an 710065,China)
关键词:
应变设计; 缺陷评估; 管道
Keywords:
strain-based design; defects assessment; pipeline
分类号:
TG441.7
DOI:
1001－3938（2009）07－0065－03
文献标志码:
B
摘要:
基于应变设计的管道受轴向拉伸时，其环焊缝缺陷评估方法和评估参数的选用与通常基于应力设计管道的缺陷评估显著不同，这是由于基于应变设计管道其缺陷的失效与缺陷局部焊缝及母材特性等更多因素相关。评估方法基于断裂理论，以远场应变为限制条件预测和确定临界缺陷尺寸。
Abstract:
When the strain-based design pipeline was stretched axially,the girth weld defects of the pipeline would be assessed with different methods from the general defect assessment procedures and the parameters used were different either.Because the defects failure of strain-based design pipeline related to the weld and pipe metal,and some more factors.The defect assessment procedures for strain-based design pipeline were based on fracture theories and could used to predict defect sizes by limiting condition of remote strain.

参考文献/References:

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［8］WANG Y Y，DENYS R，RUDLAND D，et al.A Preliminary Strainbased Design Criterion for Pipeline Girth Welds［C］∥Proceedings of the 4th IPC.Calgary：ASME,2002：415－427.
［9］WANG Y Y，CHENG W，HORSLEY D，et al.Tensile Strain Limits of Girth Welds with Surfacebreaking DefectsPart I an Analytical Framework and Part II Experimental Correlation and Validation［C］∥Proceedings of the 4th IPC（I）.Oostende, Belgium:ASME,2004：235－266.
［10］DENYS R,DEWAELE W,LEFEVRE A,et al.An Engineering Approach to the Prediction of the Tolerable Defect Size for Strain Based Design［C］∥Proceedings of the 4th IPC（I）.Oostende,Belgium:ASME,2004：163－182.
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备注/Memo

备注/Memo:
作者简介：李晓红（1964－），女，副教授，主要从事化工设备与管道强度、断裂与安全，结构损伤与破环过程行为等方面研究工作。
收稿日期：2009－04－02
更新日期/Last Update: