| 套管修复轴向穿透裂纹管道极限载荷研究 |
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| 引用本文： | 喻健良,董硕,朱奕漪,李宁,秦磊. 套管修复轴向穿透裂纹管道极限载荷研究[J]. 石油化工设备, 2010, 39(6): 7-10 |
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| 作者姓名： | 喻健良 董硕 朱奕漪 李宁 秦磊 |
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| 作者单位： | [1]大连理工大学化工学院,辽宁大连116023 [2]中国昆仑工程公司,北京100037 [3]中南大学材料学院,湖南长沙410083 |
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| 摘 要： | 利用套管包覆缺陷是修复缺陷管道常见的方法之一。利用弹塑性有限元分析方法,对用套管修复轴向穿透裂纹管道的结构进行了有限元计算。采用极限载荷系数p衡量结构的极限承载能力,对其影响因素进行了研究。研究结果表明,p与套管位置有关,p随套管壁厚和套管宽度的增加而增加。给出了不同形式下套管修复轴向穿透裂纹管道的推荐参数,可为工程实际应用提供一定的支持。
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| 关 键 词： | 管道 轴向穿透裂纹 极限载荷 套管 有限元 |
Limit Loads for Axial Through-wall Crack Pipe Repaired by Sleeve |
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| YU Jian-liang,DONG Shuo,ZHU Yi-yi,LI Ning,QIN Lei. Limit Loads for Axial Through-wall Crack Pipe Repaired by Sleeve[J]. Petro-Chemical Equipment, 2010, 39(6): 7-10 |
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| Authors: | YU Jian-liang DONG Shuo ZHU Yi-yi LI Ning QIN Lei |
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| Affiliation: | 1.Chemical Engineering College,Dalian University of Technology,Dalian 116023,China;2.China Kunlun Engineering Corporation,Beijing 100037,China;3.Material Engineering College,Central South University,Changsha 410083,China) |
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| Abstract: | Using sleeve to repair pipe crack is one of the most common means.The elastic-plastic finite element method was applied to analyze the structure of the sleeve covered pipe having axial through-wall crack.The limit load factor p,which was used to describe the ultimate bearing capacity was studied.The results indicated that p subjected to the sleeve location,and was increased when the sleeve width and thickness became larger respectively.Recommended parameters of sleeve are given for practical application. |
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| Keywords: | pipe axial through-wall crack limit load sleeve finite element |
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