Article(id=1325115411955581064, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1325115367466611474, 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=1308758400000, receivedDateStr=2011-06-23, revisedDate=1319472000000, revisedDateStr=2011-10-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1793861733664, onlineDateStr=2026-11-05, pubDate=1371225600000, pubDateStr=2013-06-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793861733664, onlineIssueDateStr=2026-11-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793861733664, creator=13701087609, updateTime=1793861733664, updator=13701087609, issue=Issue{id=1325115367466611474, tenantId=1146029695717560320, journalId=1255847867265597444, year='2013', volume='27', issue='3', pageStart='313', pageEnd='472', issueExtLink='null', onlineDate='null', pubDate='1371225600000', pubDateStr='2013-06-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793861723056, creator='13701087609', updateTime=1793861723056, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=403, endPage=410, ext={EN=ArticleExt(id=1325115412265959561, articleId=1325115411955581064, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Numerical Study on the Damage of the Coal under Blasting Loads Coupled with Geostatic Stress, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

In order to investigate on cracks propagation of the coal under column charge blasting subjected to geostatic stress, the damage constitutive model was established by considering tension and compression. The improved damage constitutive model was embedded in the FEM software to study the mechanics of cracks propagation coupled by blasting loads and geostatic stress. The precision of simulation is proved because the numerical results are in good with model experiments. The results show that the interaction of the compression wave and unloading wave yield cracks in the coal. The cracks are somewhat inhibited by geostatic stress. The direction of cracks is in accordance with the major principal stress.

, authors=Chao-Min MU1, 2, Fei PAN1, 2, authorsList=Chao-Min MU, Fei PAN, authorCompany=null, correspAuthors=null, 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=1325115412471480458, articleId=1325115411955581064, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=煤体在爆炸荷载和地应力耦合作用下裂纹扩展的数值模拟, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

建立含瓦斯煤的拉压动态损伤动态本构模型,将此模型嵌入LS-DYNA软件中,对含瓦斯煤体柱状装药欲裂爆破进行了模拟,数值模拟与模型实验基本一致。结果表明,煤体在爆炸荷载作用下,裂纹主要是由于压缩波和卸载波共同作用形成的,地应力对裂纹的发展具有抑制作用,主应力对于拉伸裂纹的发展具有明显的导向作用。

, authors=穆朝民1, 2, 潘飞1, 2, authorsList=穆朝民, 潘飞, authorCompany=null, correspAuthors=null, authorNote=

穆朝民(1977—),男,博士后,副教授,主要从事工程安全与防护技术方面的研究. E-mail:

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穆朝民(1977—),男,博士后,副教授,主要从事工程安全与防护技术方面的研究. E-mail:

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煤体在爆炸荷载和地应力耦合作用下裂纹扩展的数值模拟
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穆朝民 1, 2 , 潘飞 1, 2
高压物理学报 | 2013,27(3): 403-410
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高压物理学报 | 2013 , 27 (3) : 403 -410
煤体在爆炸荷载和地应力耦合作用下裂纹扩展的数值模拟
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穆朝民1, 2 , 潘飞1, 2
作者信息
  • 1.安徽理工大学能源与安全学院,安徽 淮南 232001
  • 2.煤矿安全高效开采省部共建教育部重点实验室,安徽 淮南 232001
作者简介:

穆朝民(1977—),男,博士后,副教授,主要从事工程安全与防护技术方面的研究. E-mail:

Numerical Study on the Damage of the Coal under Blasting Loads Coupled with Geostatic Stress
Chao-Min MU1, 2 , Fei PAN1, 2
Affiliations
  • 1.School of Energy Resources and Safety, Anhui University of Science and Technology, Huainan 23001, China
  • 2.Key Laboratory of Mining Coal Safety and Efficiently Constructed by Anhui Province and Ministry of Education, Huainan 232001, China
出版时间: 2013-06-15
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建立含瓦斯煤的拉压动态损伤动态本构模型,将此模型嵌入LS-DYNA软件中,对含瓦斯煤体柱状装药欲裂爆破进行了模拟,数值模拟与模型实验基本一致。结果表明,煤体在爆炸荷载作用下,裂纹主要是由于压缩波和卸载波共同作用形成的,地应力对裂纹的发展具有抑制作用,主应力对于拉伸裂纹的发展具有明显的导向作用。

含瓦斯煤  /  应力分布  /  柱状装药  /  数值模拟

In order to investigate on cracks propagation of the coal under column charge blasting subjected to geostatic stress, the damage constitutive model was established by considering tension and compression. The improved damage constitutive model was embedded in the FEM software to study the mechanics of cracks propagation coupled by blasting loads and geostatic stress. The precision of simulation is proved because the numerical results are in good with model experiments. The results show that the interaction of the compression wave and unloading wave yield cracks in the coal. The cracks are somewhat inhibited by geostatic stress. The direction of cracks is in accordance with the major principal stress.

gas-filled coal  /  distribution of stress  /  column charge  /  numerical simulation
穆朝民, 潘飞. 煤体在爆炸荷载和地应力耦合作用下裂纹扩展的数值模拟. 高压物理学报, 2013 , 27 (3) : 403 -410 .
Chao-Min MU, Fei PAN. Numerical Study on the Damage of the Coal under Blasting Loads Coupled with Geostatic Stress[J]. Chinese Journal of High Pressure Physics, 2013 , 27 (3) : 403 -410 .
  • 国家自然科学基金(51204007)
  • 安徽省高等学校省级自然科学重点项目(J2011A082)
  • 安徽省自然科学基金(1208085QE85)
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2013年第27卷第3期
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  • 接收时间:2011-06-23
  • 首发时间:2026-11-05
  • 出版时间:2013-06-15
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出版历史
  • 收稿日期:2011-06-23
  • 修回日期:2011-10-25
基金
国家自然科学基金(51204007)
安徽省高等学校省级自然科学重点项目(J2011A082)
安徽省自然科学基金(1208085QE85)
作者信息
    1.安徽理工大学能源与安全学院,安徽 淮南 232001
    2.煤矿安全高效开采省部共建教育部重点实验室,安徽 淮南 232001
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2种不同金属材料的力学参数
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species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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