[1]马秋荣,金作良,郭志梅,等.高压油气输送管道疲劳寿命预测研究[J].焊管,2014,37(8):12-15.[doi:1001-3938(2014)08-0012-04]
 MA Qiurong,JIN Zuoliang,GUO Zhimei,et al.Study on Fatigue Life Prediction of High Pressure Oil & Gas Pipeline[J].,2014,37(8):12-15.[doi:1001-3938(2014)08-0012-04]
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高压油气输送管道疲劳寿命预测研究
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
37
期数:
2014年第8期
页码:
12-15
栏目:
试验与研究
出版日期:
2014-08-28

文章信息/Info

Title:
Study on Fatigue Life Prediction of High Pressure Oil & Gas Pipeline
文章编号:
1001-3938(2014)08-0012-04
作者:
马秋荣1金作良2郭志梅2李 洋1张 毅3
(1.中国石油集团石油管工程技术研究院,西安 710065;
2.中国石油集团管道建设项目经理部,北京 100101;
3.宝鸡石油钢管有限责任公司 资阳钢管厂,四川 资阳 641300)
Author(s):
MA Qiurong1JIN Zuoliang2GUO Zhimei2LI Yang1ZHANG Yi3
(1. CNPC Tubular Goods Research Institute, Xi’an 710065, China;
2. CNPC Pipeline Construction Administration Department, Beijing 100101, China;
3. Ziyang Pipe Factory of BSG Group, Ziyang 641300, Sichuan, China)
关键词:
埋弧焊管裂纹扩展速率疲劳寿命
Keywords:
SAW pipe crack propagation rate fatigue life
分类号:
TE832.2
DOI:
1001-3938(2014)08-0012-04
文献标志码:
A
摘要:
通过对X60和X80钢级埋弧焊管疲劳裂纹扩展试验的研究,分析了不同钢级及应力比对埋弧焊管裂纹扩展速率的影响,并模拟停输工况对X80级1 219 mm×22.0 mm埋弧焊管的疲劳寿命进行了分析计算。研究结果表明,应力比和钢管材料本身抗裂纹扩展能力对裂纹扩展速率有明显的影响。在单一模拟工况下,X80级1 219 mm×22.0 mm埋弧焊管疲劳寿命为76年,有足够的疲劳寿命安全裕度。
Abstract:
Through study on fatigue crack propagation test of grade X60 and X80 SAW pipe, the influence on the crack propagation rate of different steel grade and stress ratio was analyzed. On the simulated working condition of shutdown, the fatigue life of X80 grade SAW pipe with size of 1 219 mm×22.0 mm was calculated. The research results showed that the stress ratio and the crack propagation resistance of the steel pipe material affect crack propagation rate obviously. Under the single simulated conditions, the fatigue life is 76 years for X80 grade pipe with size of 1 219 mm×22.0 mm, it is with enough safety margin for fatigue life.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-05-06
作者简介:马秋荣(1966—),男,工程硕士,教授级高工,现任中国石油集团石油管工程技术研究院首席专家,主要从事石油管材料的研究工作。
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