[1]张 良,赵新伟,罗金恒,等.含体积型缺陷钢管的剩余强度计算与水压爆破试验验证[J].焊管,2013,36(5):29-33.[doi:1001-3938(2013)05-0029-05]
 ZHANG Liang,ZHAO Xinwei,LUO Jinheng,et al.The Confirmation of Residual Strength Calculation in Steel Pipe With Volume Defects and Hydraulic Test[J].,2013,36(5):29-33.[doi:1001-3938(2013)05-0029-05]
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含体积型缺陷钢管的剩余强度计算与水压爆破试验验证
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
36
期数:
2013年第5期
页码:
29-33
栏目:
应用与开发
出版日期:
2013-05-28

文章信息/Info

Title:
The Confirmation of Residual Strength Calculation in Steel Pipe With Volume Defects and Hydraulic Test
文章编号:
1001-3938(2013)05-0029-05
作者:
张 良赵新伟罗金恒张广利
(中国石油集团石油管工程技术研究院, 西安 710065)
Author(s):
ZHANG Liang ZHAO Xinwei LUO Jinheng ZHANG Guangli
(CNPC Tubular Goods Research Institute, Xi’an 710065, China)
关键词:
钢管体积型缺陷剩余强度水压试验验证
Keywords:
ssteel pipe volume defects residual strength hydraulic test confirmation
分类号:
TE973.6
DOI:
1001-3938(2013)05-0029-05
文献标志码:
A
摘要:
采用几个国际上的主流评价方法分别对63根含体积型缺陷的低钢级钢管和X70高钢级钢管进行了剩余强度计算,并将计算结果与钢管实物水压爆破试验结果进行对比验证。针对低钢级钢管的失效压力预测,API 579-1的计算方法更为准确、安全,更适用于工程。修正ASME B31G计算方法的准确性仅次于API 579-1,但其计算结果的安全性与传统ASME B31G、BS 7910和PCORRC一样,都偏于危险。针对高钢级钢管的失效压力预测,ASME B31G传统和修正计算方法均较为准确、安全可靠。而API 579-1的计算结果偏于保守,BS 7910和PCORRC的计算结果分散性较大。
Abstract:
Several international mainstream evaluation methods of residual strength calculation on 63 steel pipe of low and high grade steel pipe(X70) with volume defects, and the results of calculation and hydraulic test were compared. For the low grade of steel pipe, the predicted failure pressure in API 579-1 were accurate, and more compliant to engineering. Modified ASME B31G second only to API 579-1 in accuracy, compared with original ASME B31G and BS 7910 and PCORRC are too dangerous. For the high grade steel pipe, the original and modified ASME B31G were accurate and reliable. the results of API 579-1 were conservative, BS 7910 and PCORRC considerably scattered.

参考文献/References:

[1] 赵新伟,罗金恒.油气管道完整性[M].西安:陕西科学技术出版社,2010.
[2] 郭淑娟.集中含体积型腐蚀缺陷管道剩余强度评价方法的特点及适用性[J].腐蚀科学与防护技术,2008,20(05):364-366.
[3] 梁瑞.含轴向缺陷管道的爆破压力计算方法研究[J].石油机械,2007,35(02):12-14.
[4] ASME B31G,Manual for Determining the Remaining Strength of Corroded Pipelines[S].
[5] API 579-1/ASME FFS-1,Recommended Practice for Fitness-for-service[S].
[6] DNVRP F101,Corroded Pipelines[S].
[7] BS 7910,Guide on Methods for Assessing the Acceptability of Flaws in Fusion Welded Structures[S].
[8] GB/T 19624,在用含缺陷压力容器安全评定[S].
[9] SY/T 6477,含缺陷油气输送管道剩余强度评价方法[S].
[10] STEPHENS D R,LEIS B N. Material and Geometry Factors Controlling the Failure of Corrosion Defects in Piping[M]. USA:ASME,PVP,1997.
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备注/Memo

备注/Memo:
作者简介:张良(1986—),男,助理工程师,主要从事输送管道安全评价工作。
更新日期/Last Update: