Article(id=1325115627865768523, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1325115579346059524, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1333123200000, receivedDateStr=2012-03-31, revisedDate=1342454400000, revisedDateStr=2012-07-17, acceptedDate=null, acceptedDateStr=null, onlineDate=1793861785140, onlineDateStr=2026-11-05, pubDate=1376496000000, pubDateStr=2013-08-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793861785140, onlineIssueDateStr=2026-11-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793861785140, creator=13701087609, updateTime=1793861785140, updator=13701087609, issue=Issue{id=1325115579346059524, tenantId=1146029695717560320, journalId=1255847867265597444, year='2013', volume='27', issue='4', pageStart='473', pageEnd='632', issueExtLink='null', onlineDate='null', pubDate='1376496000000', pubDateStr='2013-08-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793861773573, creator='13701087609', updateTime=1793861773573, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=567, endPage=574, ext={EN=ArticleExt(id=1325115628067095116, articleId=1325115627865768523, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Local Damage Effects of X70 Steel Pipe Subjected to Contact Explosion Loading, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Field explosion experiments were carried out to investigate the contact explosion damage effects of large diameter X70 steel oil-gas pipes. The contact explosion damage characteristics of pipes with different pipe wall thickness under various charge were analyzed. The experimental results show that the local damage of the pipe wall facing explosion is predominant and there is a petal-shaped crevasse. In addition, the fragments with abundant kinetic energy are formed. The dent or perforation phenomenon will occur after the opposite pipe wall is impacted by the fragment. By means of an explicit nonlinear dynamic finite element computer code LS-DYNA, the nonlinear dynamic response process of the steel pipe under contact explosion loading was numerically simulated with Lagrangian-Eulerian coupling method. The damage process of the pipe wall facing explosion and the after-effects of opposite pipe wall due to the impact of fragment were described. The numerical simulation results are in good agreement with experimental data. The results can provide important reference for the blast-resistant properties analysis and safety assessment of oil-gas pipes.

, authors=Chong JI1, Yuan LONG1, Xian-Shu TANG2, Zhen-Ru GAO1, Yu-Chun LI1, authorsList=Chong JI, Yuan LONG, Xian-Shu TANG, Zhen-Ru GAO, Yu-Chun LI, authorCompany=null, correspAuthors=Yuan LONG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1325115628293587533, articleId=1325115627865768523, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=爆炸载荷下X70钢管道的局部破坏效应, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

对大直径X70钢油气管道在接触爆炸下的破坏效应进行了野外化爆实验,获得了不同装药量及不同壁厚条件下钢管道的接触爆炸破坏特征。实验结果表明:接触爆炸载荷作用下管壁迎爆面局部破坏明显,且呈花瓣形破口,同时产生具有较大质量和动能的爆炸破片,破片与对面管壁碰撞后形成凹坑,甚至发生贯穿现象。基于动力有限元程序LS-DYNA及Lagrangian-Eulerian耦合方法,对钢管在外接触爆炸载荷作用下的非线性动态响应过程进行三维数值模拟,得到管壁迎爆面的变形破坏及对面管壁在爆炸破片碰撞下的后效作用过程,计算结果与实验结果符合良好。研究结果为在役油气管道的抗爆能力分析及安全性评估提供了参考依据。

, authors=纪冲1, 龙源1, 唐献述2, 高振儒1, 李裕春1, authorsList=纪冲, 龙源, 唐献述, 高振儒, 李裕春, authorCompany=null, correspAuthors=龙源, authorNote=

纪冲(1981—),男,博士,讲师,主要从事爆炸冲击效应及防护研究. E-mail:

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龙源(1958—),男,博士,教授,主要从事爆炸冲击效应及防护研究. E-mail:
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纪冲(1981—),男,博士,讲师,主要从事爆炸冲击效应及防护研究. E-mail:

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爆炸载荷下X70钢管道的局部破坏效应
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纪冲 1 , 龙源 1 , 唐献述 2 , 高振儒 1 , 李裕春 1
高压物理学报 | 2013,27(4): 567-574
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高压物理学报 | 2013 , 27 (4) : 567 -574
爆炸载荷下X70钢管道的局部破坏效应
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纪冲1 , 龙源1 , 唐献述2, 高振儒1, 李裕春1
作者信息
  • 1.解放军理工大学,江苏 南京 210007
  • 2.桂林空军学院,广西 桂林 541003
通讯作者:
龙源(1958—),男,博士,教授,主要从事爆炸冲击效应及防护研究. E-mail:
作者简介:

纪冲(1981—),男,博士,讲师,主要从事爆炸冲击效应及防护研究. E-mail:

Local Damage Effects of X70 Steel Pipe Subjected to Contact Explosion Loading
Chong JI1 , Yuan LONG1 , Xian-Shu TANG2, Zhen-Ru GAO1, Yu-Chun LI1
Affiliations
  • 1.PLA University of Science and Technology, Nanjing 210007, China
  • 2.Guilin Air Force Academy, Guilin 541003, China
出版时间: 2013-08-15
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对大直径X70钢油气管道在接触爆炸下的破坏效应进行了野外化爆实验,获得了不同装药量及不同壁厚条件下钢管道的接触爆炸破坏特征。实验结果表明:接触爆炸载荷作用下管壁迎爆面局部破坏明显,且呈花瓣形破口,同时产生具有较大质量和动能的爆炸破片,破片与对面管壁碰撞后形成凹坑,甚至发生贯穿现象。基于动力有限元程序LS-DYNA及Lagrangian-Eulerian耦合方法,对钢管在外接触爆炸载荷作用下的非线性动态响应过程进行三维数值模拟,得到管壁迎爆面的变形破坏及对面管壁在爆炸破片碰撞下的后效作用过程,计算结果与实验结果符合良好。研究结果为在役油气管道的抗爆能力分析及安全性评估提供了参考依据。

接触爆炸  /  钢管  /  局部破坏  /  后效作用

Field explosion experiments were carried out to investigate the contact explosion damage effects of large diameter X70 steel oil-gas pipes. The contact explosion damage characteristics of pipes with different pipe wall thickness under various charge were analyzed. The experimental results show that the local damage of the pipe wall facing explosion is predominant and there is a petal-shaped crevasse. In addition, the fragments with abundant kinetic energy are formed. The dent or perforation phenomenon will occur after the opposite pipe wall is impacted by the fragment. By means of an explicit nonlinear dynamic finite element computer code LS-DYNA, the nonlinear dynamic response process of the steel pipe under contact explosion loading was numerically simulated with Lagrangian-Eulerian coupling method. The damage process of the pipe wall facing explosion and the after-effects of opposite pipe wall due to the impact of fragment were described. The numerical simulation results are in good agreement with experimental data. The results can provide important reference for the blast-resistant properties analysis and safety assessment of oil-gas pipes.

contact explosion  /  steel pipe  /  local damage  /  after-effects
纪冲, 龙源, 唐献述, 高振儒, 李裕春. 爆炸载荷下X70钢管道的局部破坏效应. 高压物理学报, 2013 , 27 (4) : 567 -574 .
Chong JI, Yuan LONG, Xian-Shu TANG, Zhen-Ru GAO, Yu-Chun LI. Local Damage Effects of X70 Steel Pipe Subjected to Contact Explosion Loading[J]. Chinese Journal of High Pressure Physics, 2013 , 27 (4) : 567 -574 .
  • 国家自然科学基金(11102233)
  • 解放军理工大学野战工程学院青年基金(KYGYZLYY1302)
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2013年第27卷第4期
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  • 接收时间:2012-03-31
  • 首发时间:2026-11-05
  • 出版时间:2013-08-15
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  • 收稿日期:2012-03-31
  • 修回日期:2012-07-17
基金
国家自然科学基金(11102233)
解放军理工大学野战工程学院青年基金(KYGYZLYY1302)
作者信息
    1.解放军理工大学,江苏 南京 210007
    2.桂林空军学院,广西 桂林 541003

通讯作者:

龙源(1958—),男,博士,教授,主要从事爆炸冲击效应及防护研究. E-mail:
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