[1]孙巧飞,姚登樽,范玉然,等.西气东输三线0.8设计系数试验段水压试验测试[J].焊管,2015,38(9):51-55.[doi:1001-3938(2015)09-0051-05]
 SUN Qiaofei,YAO Dengzun,FAN Yuran,et al.Hydrostatic Test of the Test Pipe Section with a 0.8 Design Factor in the Third West-to-East Gas Pipeline Project[J].,2015,38(9):51-55.[doi:1001-3938(2015)09-0051-05]
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西气东输三线0.8设计系数试验段水压试验测试
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
38
期数:
2015年第9期
页码:
51-55
栏目:
经验交流
出版日期:
2015-09-28

文章信息/Info

Title:
Hydrostatic Test of the Test Pipe Section with a 0.8 Design Factor
in the Third West-to-East Gas Pipeline Project
文章编号:
1001-3938(2015)09-0051-05
作者:
孙巧飞姚登樽范玉然张希悉
(中国石油天然气管道科学研究院, 河北 廊坊 065000)
Author(s):
SUN Qiaofei YAO Dengzun FAN Yuran ZHANG Xixi
(China Petroleum Natural Gas Pipeline Scientific Research Academy, Langfang 065000, Hebei, China)
关键词:
焊管油气管道0.8设计系数水压试验应变电测法压力-容积曲线
Keywords:
welded pipe oil and gas pipeline 0.8 design factor hydrostatic test electromotive strain method pressure-volume curve
分类号:
TE973
DOI:
1001-3938(2015)09-0051-05
文献标志码:
B
摘要:
为了保证0.8设计系数油气长输管道的安全运行,对0.8设计系数试验段管道进行了高强度水压试验。结合埋地管道的应力状态,通过理论分析确定了管道试压强度为105% SMYS,在试验过程中利用压力-容积曲线监测试压过程中整个试验段管道变形情况,并利用应变电测法测得管道典型位置的应力应变情况。结果表明,0.8设计系数水压试验压力在(100%~105%)SMYS时,水压试验中管道未发生塑性变形,管道的等效应力均低于规定的最小屈服强度,且未泄漏,表明该水压试验压力分段合理,可以用于0.8设计系数管道的设计试压分段和管道现场水压施工。
Abstract:
In order to guarantee safe operation of long-distance oil and gas pipeline with 0.8 design factor, the hydrostatic test was carried out on the pipe section with a design factor of 0.8, and the hoop stress was 105%SMYS by theoretical analysis combined with the state of buried pipeline. In the test, the pressure-volume curve was used to monitor the deformation of the whole pipeline section, and the electromotive strain method was used to determine the stress state of the typical location. The results showed that no plastic deformation and no leakage are found during the test when the test pressure is in the range of(100%~105%)SMYS, the equivalent stress of pipeline are lower than the specified minimum yield strength, which shows that the hydrostatic test pressure section is reasonable, it can be used for the design test section and hydraulic construction at the scene of pipeline with 0.8 design factor.

参考文献/References:

[1]ASME B31.8—2010,Gas Transmission and Distribution Piping Systems[S].
[2]CSA Z662—2007,Oil and Gas Pipeline Systems[S].
[3]ISO 13623—2008,Petroleum and Natural Gas Industries-pipeline Transportation Systems[S].
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[5]梁翕章. 浅谈输气管道试压问题(续前)[J]. 天然气与石油,2003,21(4):1-6.
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[7]GB 50369—2006,油气长输管道施工及验收规范[S]. [8]俞乐群. 关于输油管道静水压试验的强度试验压力问题[J]. 油气储运,1991, 10(6): 25-28.
[9]梁静华,梁翕章,程学兰.  提高我国输气管道工程设计和试压标准[J]. 油气储运,2009,28(2): 1-4.
[10] 赵传海. 长输管道水压试验中几个重要公式计算[J].油气田地面工程,2007,26(3): 11-12.
[11] 姚登樽,王玮,范玉然,等. 温度对0.8 设计系数下油气管道强度试压过程的影响[J]. 油气储运,2013,32(9): 990-992.
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备注/Memo

备注/Memo:
收稿日期:2014-11-11
作者简介:孙巧飞(1987—),女,助理工程师,硕士,2012年毕业于西安交通大学,主要从事油气管道材料及施工技术研究。
更新日期/Last Update: