Failure assessment of X80 pipeline with interacting corrosion defects

被引：95

作者：

Chen, Yanfei ^{[1
]}

Zhang, Hong ^{[1
]}

Zhang, Juan ^{[2
]}

Liu, Xiaoben ^{[1
]}

Li, Xin ^{[3
]}

Zhou, Jing ^{[1
,3
]}

机构：

[1] China Univ Petr, Beijing Key Lab Urban Oil & Gas Distribut Technol, Natl Engn Lab Pipeline Safety, Beijing 102246, Peoples R China

[2] PowerChina Beijing Engn Corp Ltd, Beijing 100024, Peoples R China

[3] Dalian Univ Technol, State Key Lab Coastal & Offshore Engn, Dalian 116023, Peoples R China

来源：

ENGINEERING FAILURE ANALYSIS | 2015年 / 47卷

基金：

美国国家科学基金会;

关键词：

X80; pipeline; Single corrosion defect; Interacting corrosion defects; Failure pressure; BURST PRESSURE; BEHAVIOR; PITS;

D O I：

10.1016/j.engfailanal.2014.09.013

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Corrosion defects may compromise the safety of oil and gas pipelines. This paper investigates the failure behavior and failure pressure of X80 pipelines with longitudinally and circumferentially aligned interacting corrosion defects based on nonlinear finite element method, X80 pipeline with single corrosion defect is studied as well. On the basis of proposed failure pressure regression equations for X80 pipeline with single corrosion defect, this paper develops an assessment procedure for predicting failure pressure of pipeline with interacting corrosion defects. Through comparing predicted failure pressures using proposed solutions and assessment methods as well as experimental results available in previous literature, the accuracy of proposed solutions is demonstrated consequently. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：67 / 76

页数：10

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