Article(id=1322161796438405372, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322161751467078485, 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=1745337600000, receivedDateStr=2025-04-23, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793157536849, onlineDateStr=2026-10-28, pubDate=1758729600000, pubDateStr=2025-09-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793157536849, onlineIssueDateStr=2026-10-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793157536849, creator=13701087609, updateTime=1793157536849, updator=13701087609, issue=Issue{id=1322161751467078485, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='9', pageStart='1', pageEnd='314', issueExtLink='null', onlineDate='null', pubDate='1758729600000', pubDateStr='2025-09-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793157526127, creator='13701087609', updateTime=1793158877659, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322167420266074322, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322161751467078485, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322167420266074323, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322161751467078485, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=67, endPage=74, ext={EN=ArticleExt(id=1322161796673286398, articleId=1322161796438405372, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Influence of Detonation Sequence on the Blasting Effect of Parallel Cut in Deep Buried Roadways, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To address the issue of low blasting efficiency in deep buried roadways excavation, the influence of detonation sequence under high stress conditions on the blasting effectiveness of parallel cut was studied. By combining physical model tests with numerical simulations, the dynamic laws of strain field evolution, crack expansion, and groove cavity formation with different detonation sequences were revealed. The metal wire electric explosion technology was used to simulate explosive blasting, combined with a confining pressure loading device to apply static pressure. The digital image correlation method (DIC) and ultra-high-speed camera were used to capture the surface strain field and crack expansion process of the specimens. Based on the 3D scanning results, the differences in groove shape with different detonation sequences were analyzed. The results show that when the first blast hole is located in the direction of the maximum principal stress (detonation sequence two), the circumferential strain of the empty hole is significantly increased, and it is easy to form penetrating cracks. The 3D scanning results show that the groove cavity volume of detonation sequence two is larger than that of detonation sequence one, and the residual rate at the bottom of the hole is reduced. Numerical simulation further verifies that when the first blast hole is along the direction of maximum principal stress, the distribution of damage zone is more uniform, the opening angle of the groove cavity increases, and the energy utilization efficiency of subsequent blast holes is effectively improved. The research has shown that prioritizing detonation in the direction of maximum principal stress can optimize the distribution of damage zones, improve the shape of the groove cavity, and reduce residue at the bottom of the hole.
, authors=Yong DING
1, Qiqi HAO
2, Song CUI
1, Xiaonan WANG
1, Boyang SU
1, Chuanyi LIU
2, Fengpeng ZHANG
2, authorsList=Yong DING, Qiqi HAO, Song CUI, Xiaonan WANG, Boyang SU, Chuanyi LIU, Fengpeng ZHANG, authorCompany=null, correspAuthors=Qiqi HAO, 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=1322161801299603749, articleId=1322161796438405372, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=起爆次序对深埋巷道直眼掏槽爆破效果的影响, columnId=1226462294490657775, journalTitle=矿业研究与开发, columnName=采矿与矿山充填, runingTitle=null, highlight=null, articleAbstract=
针对深埋巷道掘进爆破效率低的问题,研究了高应力条件下起爆次序对直眼掏槽爆破效果的影响。通过物理模型试验与数值模拟相结合的方法,揭示不同起爆次序下应变场演化、裂纹扩展及槽腔成形的动态规律。采用金属丝电爆炸技术模拟炸药爆破,结合围压加载装置施加静压力,利用数字图像相关方法(DIC)与超高速相机捕捉试样表面应变场及裂纹扩展过程,并基于三维扫描结果分析不同起爆次序的槽腔形态差异。结果表明:当首爆孔位于最大主应力方向(起爆次序二)时,空孔环向应变显著增强,且易形成贯穿性裂纹。三维扫描结果显示,起爆次序二的槽腔体积较起爆次序一大,孔底残留率降低。数值模拟进一步验证首爆孔沿最大主应力方向时,损伤区分布更均匀,槽腔张开角增大,能有效提升后续炮孔的能量利用率。研究证明,优先起爆最大主应力方向炮孔可优化损伤区分布、改善槽腔形态并减少孔底残留。
, authors=丁勇
1, 郝琪琪
2, 崔松
1, 王晓南
1, 苏伯阳
1, 刘传义
2, 张凤鹏
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丁勇(1989—),男,江苏沭阳人,工程师,主要从事采矿工艺、采矿技术的管理和研究工作。E-mail:903196524@qq.com
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丁勇(1989—),男,江苏沭阳人,工程师,主要从事采矿工艺、采矿技术的管理和研究工作。E-mail:903196524@qq.com
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2.深部金属矿智能开采与装备全国重点实验室,辽宁 沈阳 110819, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322161801698062635, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, xref=2., ext=[AuthorCompanyExt(id=1322161801706451244, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, companyId=1322161801698062635, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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41(2):60-69., articleTitle=Numerical simulation research on rock breaking mechanism of four-hole cut blasting under ground stress, refAbstract=null)], funds=[Fund(id=1322161810262831502, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, awardId=52274114, language=CN, fundingSource=国家自然科学基金项目(52274114), fundOrder=null, country=null), Fund(id=1322161810334134671, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, awardId=2023JH1/10400004, language=CN, fundingSource=辽宁省科学技术计划项目(2023JH1/10400004), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1322161801568039207, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, xref=1., ext=[AuthorCompanyExt(id=1322161801572233512, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, companyId=1322161801568039207, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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The specimen model and schematic of confining pressure loading, figureFileSmall=UAR2GRAgAr20D+foOkEpUg==, figureFileBig=55aqbyjOFsFN7oe5yZ3Trw==, tableContent=null), ArticleFig(id=1322161806139830633, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=CN, label=图1, caption=
试件模型和围压加载示意, figureFileSmall=UAR2GRAgAr20D+foOkEpUg==, figureFileBig=55aqbyjOFsFN7oe5yZ3Trw==, tableContent=null), ArticleFig(id=1322161807851106667, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=EN, label=Fig.2, caption=
Electrode structure of the simulated column-shaped charge, figureFileSmall=HdZY/omN0kJXX8GtU5Jo4g==, figureFileBig=ozIJmDL0Jkgv7lLUpvnEKA==, tableContent=null), ArticleFig(id=1322161807939187052, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=CN, label=图2, caption=
模拟柱状药包的电极结构, figureFileSmall=HdZY/omN0kJXX8GtU5Jo4g==, figureFileBig=ozIJmDL0Jkgv7lLUpvnEKA==, tableContent=null), ArticleFig(id=1322161807997907309, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=EN, label=Fig.3, caption=
Blasting test schemes with different detonation sequences, figureFileSmall=ztsXm5txR02WiLx0diz/tw==, figureFileBig=OQ8Ip1KqSmks9vLSB0Me2g==, tableContent=null), ArticleFig(id=1322161808077599086, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=CN, label=图3, caption=
不同起爆次序下的爆破试验方案, figureFileSmall=ztsXm5txR02WiLx0diz/tw==, figureFileBig=OQ8Ip1KqSmks9vLSB0Me2g==, tableContent=null), ArticleFig(id=1322161808157290863, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=EN, label=Fig.4, caption=
The evolution process of strain field in xy plane with different detonation sequences, figureFileSmall=uhwvDbW8KTuO6VV4gWAEYw==, figureFileBig=sbE8nAsqyYhnhwllhkTG6g==, tableContent=null), ArticleFig(id=1322161808232788337, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=CN, label=图4, caption=
不同起爆次序下试件xy平面的应变场演化过程, figureFileSmall=uhwvDbW8KTuO6VV4gWAEYw==, figureFileBig=sbE8nAsqyYhnhwllhkTG6g==, tableContent=null), ArticleFig(id=1322161808299897202, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=EN, label=Fig.5, caption=
Layout of monitoring point, figureFileSmall=91ywdDS0cXDbA/m3IaDgvw==, figureFileBig=jODhhOAhED2gzNExXzjrEw==, tableContent=null), ArticleFig(id=1322161808413143411, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=CN, label=图5, caption=
监测点布置, figureFileSmall=91ywdDS0cXDbA/m3IaDgvw==, figureFileBig=jODhhOAhED2gzNExXzjrEw==, tableContent=null), ArticleFig(id=1322161808492835189, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=EN, label=Fig.6, caption=
Time history curves of circumferential strain with different detonation sequences, figureFileSmall=qgBgroCT8JGJFOlKzUztLg==, figureFileBig=iuVWSNceiOZK1P1vlgGjCw==, tableContent=null), ArticleFig(id=1322161808589304182, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=CN, label=图6, caption=
不同起爆次序下环向应变时程曲线, figureFileSmall=qgBgroCT8JGJFOlKzUztLg==, figureFileBig=iuVWSNceiOZK1P1vlgGjCw==, tableContent=null), ArticleFig(id=1322161808660607351, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=EN, label=Fig.7, caption=
Crack evolution characteristics of specimens with different detonation sequences, figureFileSmall=O7d2EhkZYPC0dDCT5fhu/A==, figureFileBig=LrY8tiPmYoF26DgntwjMXw==, tableContent=null), ArticleFig(id=1322161808744493433, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=CN, label=图7, caption=
不同起爆次序下试件的裂纹演化特征, figureFileSmall=O7d2EhkZYPC0dDCT5fhu/A==, figureFileBig=LrY8tiPmYoF26DgntwjMXw==, tableContent=null), ArticleFig(id=1322161808807407994, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=EN, label=Fig.8, caption=
The shape of blasting craters of spcimens with different detonation sequences, figureFileSmall=KX54kOfGmlxxkmm/x/tJlA==, figureFileBig=fHp+vQuxVZZ/BttWQQw8iQ==, tableContent=null), ArticleFig(id=1322161808887099771, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=CN, label=图8, caption=
不同起爆次序下试件的爆破漏斗形态, figureFileSmall=KX54kOfGmlxxkmm/x/tJlA==, figureFileBig=fHp+vQuxVZZ/BttWQQw8iQ==, tableContent=null), ArticleFig(id=1322161808983568764, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=EN, label=Fig.9, caption=
Three-dimensional scanning diagrams of blasting cavity with different detonation sequences, figureFileSmall=UDSrFOXVDS1ZADbh32Qq4w==, figureFileBig=8DhtoRrkecrnuS64fYOfFQ==, tableContent=null), ArticleFig(id=1322161809147146622, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=CN, label=图9, caption=
不同起爆次序下爆破成腔三维扫描图, figureFileSmall=UDSrFOXVDS1ZADbh32Qq4w==, figureFileBig=8DhtoRrkecrnuS64fYOfFQ==, tableContent=null), ArticleFig(id=1322161809281364351, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=EN, label=Fig.10, caption=
Numerical simulation models, figureFileSmall=rN4rbRdrmPqt3JV8p8CXYQ==, figureFileBig=YWi4yQNUhm1M9jG8GRgF0w==, tableContent=null), ArticleFig(id=1322161809344278913, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=CN, label=图10, caption=
数值模拟计算模型, figureFileSmall=rN4rbRdrmPqt3JV8p8CXYQ==, figureFileBig=YWi4yQNUhm1M9jG8GRgF0w==, tableContent=null), ArticleFig(id=1322161809423970690, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=EN, label=Fig.11, caption=
Comparison of surface damage morphology between blasting tests and numerical simulations with different detonation sequences, figureFileSmall=AgLtlwp2jnQtjG3VJSJbDw==, figureFileBig=/GlWWAYcqeu3zdN61MG29A==, tableContent=null), ArticleFig(id=1322161809503662467, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=CN, label=图11, caption=
不同起爆次序下爆破试验与数值模拟表面损伤形态对比, figureFileSmall=AgLtlwp2jnQtjG3VJSJbDw==, figureFileBig=/GlWWAYcqeu3zdN61MG29A==, tableContent=null), ArticleFig(id=1322161809612714372, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=EN, label=Fig.12, caption=
The extraction location of damage, figureFileSmall=wbbtsJ0mC6A9lmXoQc337g==, figureFileBig=18JdcZmcLOE/POrgSSxNNw==, tableContent=null), ArticleFig(id=1322161809696600454, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=CN, label=图12, caption=
损伤提取位置, figureFileSmall=wbbtsJ0mC6A9lmXoQc337g==, figureFileBig=18JdcZmcLOE/POrgSSxNNw==, tableContent=null), ArticleFig(id=1322161809793069447, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=EN, label=Fig.13, caption=
Damage distribution cloud maps after detonation of the first blast hloe with different detonation sequences, figureFileSmall=qP2ncm+LJs1sPRW1Vbmt5w==, figureFileBig=C1ZrDEsLuBwJ1Q4r4z74KA==, tableContent=null), ArticleFig(id=1322161809876955529, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=CN, label=图13, caption=
不同起爆次序下首爆孔起爆后损伤分布云图, figureFileSmall=qP2ncm+LJs1sPRW1Vbmt5w==, figureFileBig=C1ZrDEsLuBwJ1Q4r4z74KA==, tableContent=null), ArticleFig(id=1322161809948258698, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=EN, label=Fig.14, caption=
Internal damage distribution cloud maps after detonation of residual blast holes with different detonation sequences, figureFileSmall=fIVITbrSr4D9iePzFRx1sw==, figureFileBig=/SGWg0QZBFSBJk+yKL9NjQ==, tableContent=null), ArticleFig(id=1322161810027950475, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=CN, label=图14, caption=
不同起爆次序下剩余爆破孔起爆后内部损伤分布云图, figureFileSmall=fIVITbrSr4D9iePzFRx1sw==, figureFileBig=/SGWg0QZBFSBJk+yKL9NjQ==, tableContent=null), ArticleFig(id=1322161810095059340, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=EN, label=Table 1, caption=
Parameters for the rock
, figureFileSmall=null, figureFileBig=null, tableContent=
| 密度/(kg/m3) | 剪切模量/GPa | 抗压强度/MPa | 孔隙开始压碎压力/MPa |
| 2 352 | 22.8 | 48.3 | 33.46 |
| 压实压力/GPa | 初始孔隙比 | 剪压强度比 | 拉压强度比 |
| 6.0 | 1.0 | 0.211 | 0.11 |
), ArticleFig(id=1322161810174751117, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322161796438405372, language=CN, label=表1, caption=
岩石参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 密度/(kg/m3) | 剪切模量/GPa | 抗压强度/MPa | 孔隙开始压碎压力/MPa |
| 2 352 | 22.8 | 48.3 | 33.46 |
| 压实压力/GPa | 初始孔隙比 | 剪压强度比 | 拉压强度比 |
| 6.0 | 1.0 | 0.211 | 0.11 |
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