[1]杨专钊,杨　溪,惠　非,等.海底管线服役条件有限元应力分析[J].焊管,2014,37(8):20-24.[doi:１００１－３９３８（２０１4）08-0020-05]
　YANG Zhuanzhao,YANG Xi,XI Fei,et al.Finite Element Stress Analysis on Submarine Pipeline Service Condition[J].,2014,37(8):20-24.[doi:１００１－３９３８（２０１4）08-0020-05]
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海底管线服役条件有限元应力分析
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
37
期数:
2014年第8期
页码:
20-24
栏目:
试验与研究
出版日期:
2014-08-28

文章信息/Info

Title:
Finite Element Stress Analysis on Submarine Pipeline Service Condition
文章编号:
１００１－３９３８（２０１4）08-0020-05
作者:
杨专钊1; 2; 杨　溪1; 2; 惠　非1; 2; 王佐强3; 赵晗君1; 2; 冯　慧1; 2
（1.北京隆盛泰科石油管科技有限公司， 北京 100101；
2.中国石油集团石油管工程技术研究院， 西安 710077；
3.中海石油（中国）有限公司深圳分公司，深圳 518067）
Author(s):
YANG Zhuanzhao1; 2;  YANG Xi1; 2;  XI Fei1; 2;  WANG Zuoqiang3; ZHAO Hanjun1; 2;  FENG Hui1; 2
（1. Beijing Longshine Oil Tubular Technology Co., Ltd., Beijing 100101, China;
2. CNPC Tubular Goods Research Institute, Xi’an 710077, China;
3. China National Offshore Oil Corperation， shenzhen branch, Shenzhen 518067, China）
关键词:
海底管线; 有限元方法; 配重层; 应力分析; Von mises 等效应力
Keywords:
submarine pipeline;  Finite Element Methods（FEM）;  weight coating layer;  stress analysis;  Von mises equivalent stress
分类号:
TE973.1
DOI:
１００１－３９３８（２０１4）08-0020-05
文献标志码:
A
摘要:
采用有限元方法模拟分析了带配重层海洋管?准559 mm×28 mm SMYS 450在海底1 500 m和输送压力为25 MPa条件下服役时的应力状态，结果显示，在受配重层约束下的最大位移为0.046 4×10-3 m，无配重约束位移为0.104×10-3 m；第一主应力和Von mises 等效应力的最大值都分布在管体材料和配重层之间的界面处附近，距离管体外表面约2 mm（壁厚28 mm），最大值分别为128 MPa和216 MPa。模拟结果表明，管线运行是安全的，也说明了采用Von mises 等效应力准则作为管道问题验收极限是可行的。
Abstract:
In this paper, the service stress condition of ?准559 mm×28 mm SMYS 450 marine pipe with concrete weight coating under transmission pressure 25 MPa at 1 500 m subsea was analyzed by the Finite Element Methods（FEM）. The result showed that the maximum displacement was 0.046 4×10-3 m within the c onstraint of the weight coating, and the displacement was 0.104×10-3 m without weight coating constraint. The maximum stress of both the 1st principal stress and Von mises equivalent stress were 128 MPa and 216 MPa respectively, which located near the interface between the pipe body and the counterweight layer, about 2 mm to the outside surface of pipe body（28 mm wall thickness）. It also indicated that the operation was safety, and using the Von mises equivalent stress criterion as pipeline acceptance limit is workable.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2014-03-24
作者简介：杨专钊（1979—），男，硕士，高级工程师，主要从事石油管工程研究开发、技术咨询和技术支持服务。
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