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[1]许砚新,马学海,庞宝华,等.高压力大口径输油气管道钢管壁厚的选择[J].油气储运,2011,30(10):752-754..[doi:10.6047/j.issn.1000-8241.2011.10.010]
　Xu Yanxin,Ma Xuehai,Pang Baohua,et al.Principle to determine the wall thickness of high-pressure and large-diameter oil & gas pipelines[J].Oil & Gas Storage and Transportation,2011,30(10):752-754..[doi:10.6047/j.issn.1000-8241.2011.10.010]
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高压力大口径输油气管道钢管壁厚的选择

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 30 期数: 2011年10期 页码: 752-754. 栏目: 出版日期: 2011-10-25
Title:
Principle to determine the wall thickness of high-pressure and large-diameter oil & gas pipelines
文章编号:
1000-8241（2011）10-0752-03
作者:
许砚新1; 马学海1; 庞宝华1; 廖璇2
1.中国石油天然气管道工程有限公司，河北廊坊 065000；2.中国石油天然气管道局第四工程分公司，河北廊坊 065000
Author(s):
Xu Yanxin; Ma Xuehai; Pang Baohua; et al
Xu Yanxin：China petroleum Pipeline Engineering Corporation，Langfang，Hebei，065000.
关键词:
钢管; 壁厚; 屈服强度; 设计系数; 地区等级; 断裂力学韧性
Keywords:
Key words：steel pipe; wall thickness; yield strength; design factor; area class; fracture toughness
分类号:
TE89
DOI:
10.6047/j.issn.1000-8241.2011.10.010
文献标志码:
A
摘要:
对于油气长输管道系统，合理选用线路钢管，不仅对管输系统的安全运行至关重要，而且可以节省管道建设投资。描述了相关标准选择钢管壁厚的传统原则以及高等级地区钢管壁厚的选择原则。分析了在人烟稀少地区采用0.8 的强度设计系数选取管道壁厚的可行性；鉴于厚壁钢管生产难度的限制，研究了在高等级地区降低输气管道壁厚的实用性问题以及材料可用厚度的断裂力学限定问题。通过对管道断裂力学的限定分析，结合工程实例计算验证，得出高压力大口径管道在选用不同钢级钢管时理论壁厚的参考值。
Abstract:
The principle to rationally choose the steel pipe for long-distance oil & gas pipeline system is not only very important for the safe
operation of pipeline systems，but also can save the investments in pipeline construction.The traditional principle in determing
the wall thickness given in the relevant standards and that of in harsh environments have been described.The feasibility
in selecting wall thickness with 0.8 strength design factor in sparsely populated areas has been analyzed.Considering the
manufacturing limitation in thick-walled steel pipe, the availability to cut down the wall thickness in harsh environments and the
fracture mechanics limitation in the available wall thickness of pipe material have been researched.By analyzing the fracture
mechanics limitation of pipe material and the project case with the calculation validation，the reference values of theory wall
thickness suitable for different grades of steel pipe for high-pressure and large-diameter pipeline have been obtained.


参考文献/References:

[1] 油气田及管道建设设计专业标准化委员会.GB50251－2003 输气管道设计规范[S]. 北京：中国计划出版社，2003.
[2]中国石油天然气集团公司.GB50253－2006 输油管道设计规范[S]. 北京：中国计划出版社，2007.
[3]美国机械工程师协会.ASME B31.8-2007 气体传输和配油管道系统[S]. 北京：兵器工业出版社，2007.
[4]中华人民共和国建设部.GB50028－2006 城镇燃气设计规范[S]. 北京：建筑工业出版社，2007.
[5]王仪康. 现代高性能输气管线用钢[C]// 管线钢论坛会论文集.北京：2009.

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备注/Memo

许砚新，工程师，1977 年生，2011 年毕业于河北工业大学交通土建工程专业，现主要从事长输油气管道线路工程设计。
电话：13931601156；Email：xuyanxin@cppe.com.cn?（收稿日期：2010-05-05）

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