Reliability assessment for failure from the weld defects in pipelines considering the accuracy of flaw detection by AUT

被引：0

作者：

Kimura, Fumiaki ^{[1
]}

Hobbs, R. E. ^{[2
]}

Wadee, M. A. ^{[2
]}

机构：

[1] Nippon Steel Engn Co Ltd, Engn R&D Inst, Sahgamihara, Kanagawa, Japan

[2] Imperial Coll London, Dept Civil & Environm Engn, London, England

来源：

PROCEEDINGS OF THE SEVENTEENTH (2007) INTERNATIONAL OFFSHORE AND POLAR ENGINEERING CONFERENCE, VOL 1- 4, PROCEEDINGS | 2007年

关键词：

pipeline; failure; reliability; weld defect; AUT; Monte Carlo Simulation; upheaval buckling;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Failure from a flaw in a girth weld of a pipeline may be induced when vertical buckling occurs due to temperature changes or other causes. Although conventional assessment of pipeline girth weld flaws has tended to qualify weld flaws as fixed values, they are treated as random variables in this study. Monte Carlo simulation is applied to estimate the conditional failure probability and field data of weld flaws detected by AUT (Automated Ultrasonic Testing) are utilized to improve the precision of the simulation.

引用

页码：951 / +

页数：2

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