|本期目录/Table of Contents|

[1]陈星宇,许卫荣,王强,等.含热熔孔洞缺陷的埋地聚乙烯管道应力分析及寿命预测[J].中国安全生产科学技术,2019,15(2):77-81.[doi:10.11731/j.issn.1673-193x.2019.02.012]
 CHEN Xingyu,XU Weirong,WANG Qiang,et al.Stress analysis and life prediction of buried polyethylene pipeline with defect of hot melt hole[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2019,15(2):77-81.[doi:10.11731/j.issn.1673-193x.2019.02.012]
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含热熔孔洞缺陷的埋地聚乙烯管道应力分析及寿命预测
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
15
期数:
2019年2期
页码:
77-81
栏目:
职业安全卫生管理与技术
出版日期:
2019-02-28

文章信息/Info

Title:
Stress analysis and life prediction of buried polyethylene pipeline with defect of hot melt hole
文章编号:
1673-193X(2019)-02-0077-05
作者:
陈星宇1许卫荣2王强1陈本瑶2凌张伟34
(1.中国计量大学 质量与安全工程学院,浙江 杭州310018;
2.湖州市特种设备检测研究院,浙江 湖州 313000;
3.浙江省特种设备检验研究院,浙江 杭州 310020;
4.浙江省特种设备安全检测技术研究重点实验室,浙江 杭州 310020)
Author(s):
CHEN Xingyu1 XU Weirong2 WANG Qiang1 CHEN Benyao2 LING Zhangwei34
(1. College of Quality and Safety Engineering, China Jiliang University, Hangzhou Zhejiang 310018, China;
2. Huzhou Special Equipment Inspection Institute, Huzhou Zhejiang 313000, China;
3. Zhejiang Provincial Special Equipment Inspection and Research Institute, Hangzhou Zhejiang 310020, China;
4. Zhejiang Provincial Key Laboratory of Safety Testing Technology for Special Equipment, Hangzhou Zhejiang 310020, China)
关键词:
聚乙烯管道应力分析寿命预测有限元
Keywords:
polyethylene (PE) pipe stress analysis life prediction finite element
分类号:
X937
DOI:
10.11731/j.issn.1673-193x.2019.02.012
文献标志码:
A
摘要:
为了研究聚乙烯(PE)管道热熔孔洞缺陷与寿命之间的关系,基于Ansys软件对埋地状态下的含有热熔孔洞缺陷的PE管道进行应力分析,得到了含热熔孔洞缺陷的PE管道在不同内压下的最大Mises应力、环向应力和径向应力的变化数据;依据应力分析数据,使用Matlab编写程序,根据Suleiman双曲本构模型对PE管道进行了寿命预测。研究结果表明:含有热熔孔洞缺陷的PE管道,其最大应力随管道内压的增大而增大,寿命随着管道内压和缺陷体积的增大而减少,含缺陷管道寿命和内压关系可使用双对数函数来进行描述;使用应力分析和寿命预测相结合的方法,可以得到不同缺陷的PE管道寿命-内压关系式。
Abstract:
In order to study the relationship between defect of hot melt hole and life of the polyethylene (PE) pipe, the stress analysis was carried out on the buried PE pipe with the defect of hot melt hole by using Ansys software, and the variation data of the maximum Mises stress, hoop stress and radial stress for the PE pipe with the defect of hot melt hole under different internal pressures were obtained. Based on the data of stress analysis, the life prediction of PE pipe was conducted according to the Suleiman hyperbolic constitutive model through programming with Matlab. The results showed that the maximum stress of PE pipe with the defect of hot melt hole increased with the increase of pipe’s internal pressure, while the life decreased with the increase of pipe’s internal pressure and defect volume, and the relationship between life and internal pressure of the pipe with defect could be described by the double logarithmic function. The relational expression of life and internal pressure of the pipe with different defects could be obtained by using the combined method of stress analysis and life prediction.

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备注/Memo

备注/Memo:
收稿日期: 2018-09-14
基金项目: 国家重点研发计划项目(2017YFF0209704)
作者简介: 陈星宇,硕士研究生,主要研究方向为聚乙烯管道无损检测。
通信作者: 王强,博士,教授,主要研究方向为无损检测技术。
更新日期/Last Update: 2019-03-06