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[1]蒋云,吕英民.轮库输油管道的断裂失稳分析[J].油气储运,2000,19(4):26-29.[doi:10.6047/j.issn.1000-8241.2000.04.007]
　Jiang Yun,Lü Yingmin.Fracture Failure Analysis on Lunnan-Korla Oil Pipeline[J].Oil & Gas Storage and Transportation,2000,19(4):26-29.[doi:10.6047/j.issn.1000-8241.2000.04.007]
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轮库输油管道的断裂失稳分析

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 19 期数: 2000年4期 页码: 26-29 栏目: 出版日期: 1900-01-01
Title:
Fracture Failure Analysis on Lunnan-Korla Oil Pipeline
作者:
蒋云1;  吕英民2
1. 华北石油勘察设计研究院;
2. 石油大学(北京)
Author(s):
Jiang Yun1;  Lü Yingmin2
关键词:
输油管道; 稳定性; 断裂分析; 计算; 方法
Keywords:
oil pipeline; crack; elastic-plastic; fracture; fracture analysis; J integration; calculation method
DOI:
10.6047/j.issn.1000-8241.2000.04.007
摘要:
以弹塑性断裂力学的J积分理论为基础,综合考虑裂纹的J积分弹性解和全塑性解,分析了含裂纹延性管道的弹塑性断裂问题。通过对含内表面半椭圆轴向裂纹管道的J积分弹性解和全塑性解的分析并进行迭加,得出在载荷作用下反映管道内表面半椭圆裂纹扩展能力的J积分表达式。现场断裂管道的验证分析表明,计算结果与现场事故数据基本吻合。根据相关文献,计算出轮库输油管道母材和焊缝材料的管材系数,并以试验得出的轮库输油管道的断裂韧性JIC值为依据,在上述J积分表达式的基础上,计算了含有内表面半椭圆轴向裂纹的轮库输油管道母材和焊缝材料的临界失稳压力,为该管道在设计工况下安全运行提供了理论依据。
Abstract:
Based on the theory of J integration in elastic-plastic fracture mechanics,and comprehensively thought of the elastic solution and pure plastic solution of J integration with cracking structure,the elastic-plastic fracture subject of ductile pipeline with cracking was analyzed in this paper. By analyzing the field fracture pipeline, it showed that the result obtained was identical with site failure data. Based on this research method,the critical failure pressure on Lunnan-Korla oil pipeline was analyzed in this paper,thus,a theory foundation was supplied for safety running of this pipeline at designed situation.

参考文献/References:

1 周洪范等(译);弹塑性断裂分析工程方法,国防工业出版社(北京),1985.
2 陈江(译):含缺陷核压力容器及管道的完整性评定规程,华东化工学院出版社(山东),1991.
3 蒋云 吕英民:X52石油管材的J积分试验研究,油气储运,1998 17(5).

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备注/Memo

收稿日期:1999-8-25。
作者简介:蒋云,高级工程师,1963年生,1984年毕业于西南石油学院矿场机械专业,1997年毕业于石油大学(北京)工程力学专业,获硕士学位,现在中国石油天然气华北石油勘察设计研究院从事设计和结构分析工作.

更新日期/Last Update: 1900-01-01