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[1]张振永.高钢级大口径天然气管道环焊缝安全提升设计关键[J].油气储运,2020,39(中俄东线):1-8.5.[doi:10.6047/j.issn.1000-8241.2020.00.000]
　ZHANG Zhenyong.Key factors for safety improvement design of girth weld in high-gradelarge diameter natural gas pipelines[J].Oil & Gas Storage and Transportation,2020,39(中俄东线):1-8.5.[doi:10.6047/j.issn.1000-8241.2020.00.000]
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高钢级大口径天然气管道环焊缝安全提升设计关键

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 39 期数: 2020年中俄东线 页码: 1-8.5 栏目: 出版日期: 2060-12-31
Title:
Key factors for safety improvement design of girth weld in high-grade
large diameter natural gas pipelines
作者:
张振永
Author(s):
ZHANG Zhenyong
关键词:
高钢级管道; 环焊缝; 失效; 安全提升; 设计; 管材; 焊接; 不等壁厚; 无损检测
Keywords:
分类号:
TE88
DOI:
10.6047/j.issn.1000-8241.2020.00.000
文献标志码:
A
摘要:
高钢级管道环焊缝失效事故屡见不鲜，随着高钢级管道里程不断增加，高钢级管道环焊缝失
效问题引起国内外管道行业的高度重视。对国内外典型管道环焊缝失效案例进行归类分析，基于环
焊缝断裂失效的断裂力学理论，针对影响环焊缝安全性的关键环节进行失效原因分析，并据此提出
安全提升措施，包括管道焊接工艺、钢材控制、焊接材料、焊接接头强度匹配、不等壁厚内坡口型式、
无损检测、智能巡检、应力应变、施工管理等。这些措施已经推广应用于中俄东线天然气管道工程及
将建的西气东输三线中段管道工程、西气东输四线管道工程，为提升高钢级管道环焊缝的服役可靠
性提供了支持。

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更新日期/Last Update: 2020-05-28