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[1]朱豪豪,郭海林,闫生栋,等.含腐蚀缺陷埋地管道在外力作用下的承载力研究[J].中国安全生产科学技术,2018,14(11):70-75.[doi:10.11731/j.issn.1673-193x.2018.11.011]
　ZHU Haohao,GUO Hailin,YAN Shengdong,et al.Study on bearing capacity of buried pipeline containing corrosion defects under external force[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2018,14(11):70-75.[doi:10.11731/j.issn.1673-193x.2018.11.011]
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含腐蚀缺陷埋地管道在外力作用下的承载力研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
14
期数:
2018年11期
页码:
70-75
栏目:
职业安全卫生管理与技术
出版日期:
2018-11-30

文章信息/Info

Title:
Study on bearing capacity of buried pipeline containing corrosion defects under external force
文章编号:
1673-193X(2018)-11-0070-06
作者:
朱豪豪1; 郭海林1; 闫生栋2; 李超锋1
（1.中国地质大学（武汉） 工程学院，湖北 武汉 430074；2. 中国石油西气东输管道公司，湖北 武汉 430073)
Author(s):
ZHU Haohao1;  GUO Hailin1;  YAN Shengdong2;  LI Chaofeng1
(1. Faculty of Engineering, China University of Geosciences, Wuhan Hubei 430074, China;2. China National Petroleum WestEast Gas Pipeline Company, Wuhan Hubei 430073, China)
关键词:
油气管道; 腐蚀缺陷; 缺陷尺寸; ABAQUS模拟; 物理实验
Keywords:
oil and gas pipeline;  corrosion defect;  defect size;  ABAQUS simulation;  physical experiment
分类号:
X937；TE973
DOI:
10.11731/j.issn.1673-193x.2018.11.011
文献标志码:
A
摘要:
针对地质灾害对埋地管道安全运行的威胁，采用非线性有限元法，利用ABAQUS软件建立外力作用下含缺陷管道的有限元模型，研究缺陷长度、宽度和深度3个参数对含缺陷埋地管道承载力的影响，确定优化的物理实验工况参数；对含预制缺陷的管道进行全尺寸静载物理实验，研究含缺陷的管道在3点弯曲静力加载情况下的缺陷发展变化规律。研究结果表明：当缺陷深度系数达到0.6、缺陷长度系数达到0.5之后，缺陷深度和长度的增加对管道承载外力的影响已不明显；缺陷宽度系数对管道承载力的影响随宽度系数增加越来越显著。
Abstract:
Aiming at the threats of geological disasters to the safe operation of buried pipelines, on the basis of the nonlinear finite element method, a finite element model of pipeline containing defects under the external force was established by using the ABAQUS software. The influence of three parameters including defect length, width and depth on the bearing capacity of buried pipeline containing defects was studied, and the operating parameters of optimized physical experiment were determined. The fullscale static load physical experiments on the pipeline containing prefabricated defects were carried out, and the development and change laws of defects for the pipeline containing defects under threepoint bending static loading were studied. The results showed that when the depth coefficient of defect reached 0.6 and the length coefficient of defect reached 0.5, the influence of defect depth and length on the bearing external force of pipeline was not obvious. The influence of the width coefficient of defect on the bearing capacity of pipeline was more and more significant with the increase of width coefficient.

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备注/Memo

备注/Memo:
收稿日期： 2018-09-04
基金项目： 湖北省安全生产科技专项资金项目
作者简介： 朱豪豪，硕士研究生，主要研究方向为安全监测与检测、石油化工行业安全管理和风险控制。
通信作者： 郭海林，博士，讲师，主要研究方向为石油化工安全管理、安全评价和风险分析等。
更新日期/Last Update: 2018-12-03