Article(id=1321893288127345016, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321893272490987695, 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=1751299200000, receivedDateStr=2025-07-01, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793093519479, onlineDateStr=2026-10-27, pubDate=1781712000000, pubDateStr=2026-06-18, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793093519479, onlineIssueDateStr=2026-10-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793093519479, creator=13701087609, updateTime=1793093519479, updator=13701087609, issue=Issue{id=1321893272490987695, tenantId=1146029695717560320, journalId=1225396423026438145, year='2026', volume='46', issue='6', pageStart='1', pageEnd='312', issueExtLink='null', onlineDate='null', pubDate='1781712000000', pubDateStr='2026-06-18', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793093515751, creator='13701087609', updateTime=1793094575775, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321897718625194101, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321893272490987695, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321897718625194102, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321893272490987695, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=120, endPage=128, ext={EN=ArticleExt(id=1321893288337060217, articleId=1321893288127345016, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Mechanical Properties and Crack Propagation Law of Layered Composite Rock Samples with Single Fracture, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The engineering disturbance in the process of mining often leads to a variety of fractures in the rock, which affects its mechanical properties. Using indoor uniaxial compression test, combined with XTDIC and acoustic emission monitoring system, the effects of fracture position, fracture dip angle and rock combination on the mechanical behavior and failure mode of layered composite rock samples with single fracture were investigated. The results show that with the increase of fracture dip angle, the peak stress of fracture rock samples gradually increases from 13.19-25.34 MPa to 33.89-42.99 MPa, the elastic modulus shows a non-monotonic change trend of increasing first and then decreasing, the deterioration coefficient gradually decreases from 0.32-0.66 to 0.06-0.20, and the strength deterioration effect of fracture on sandstone is more significant than that of limestone. The fracture position dominates the evolution of the failure mode. When the fracture is located in the upper part of the rock sample, the tensile failure is dominant. When the fracture is located in the middle of the rock sample, the failure mode is regulated by the fracture dip angle. Under the low fracture dip angle, the tensile failure is still dominant, and under the high fracture dip angle, it is transformed into tensile-shear mixed failure. The analysis of acoustic emission parameters (RA/AF value) shows that when the fracture dip angle is low, the priority cracks are mainly tensile cracks, accounting for 81.69%-88.41%. With the increase of fracture dip angle, the proportion of shear cracks increases, and the failure mode gradually transitions from tensile failure to multi-tensile and less-shear failure, and finally forms a tensile-shear mixed failure with tensile cracks accounting for 56.33%-62.73%.

, authors=Xiang Zhou¹, Taoli Xiao¹, Liang Hu^{1, 2}, Haicheng She^{1, 3}, Yunfeng Zhao¹, authorsList=Xiang Zhou, Taoli Xiao, Liang Hu, Haicheng She, Yunfeng Zhao, authorCompany=null, correspAuthors=Taoli Xiao, 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=1321893288634855802, articleId=1321893288127345016, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=含单裂隙层状复合岩样力学特性及裂纹扩展规律, columnId=1226462295417598973, journalTitle=矿业研究与开发, columnName=矿山安全与环保, runingTitle=null, highlight=null, articleAbstract=

矿业开采过程中的工程扰动常会导致岩石产生多种裂隙，进而影响其力学性能。采用室内单轴压缩试验，结合XTDIC和声发射监测系统，探究裂隙位置、裂隙倾角及岩层组合方式对单裂隙层状复合岩样力学行为及破坏模式的影响。研究结果表明：随着裂隙倾角增大，裂隙岩样的峰值应力从13.19~25.34 MPa逐渐增加到33.89~42.99 MPa，弹性模量呈现先增后减的非单调变化趋势，劣化系数则从0.32~0.66逐渐减小到0.06~0.20，且裂隙对砂岩的强度劣化作用较灰岩更为显著；裂隙位置主导破坏模式的演化，当裂隙位于岩样上部时，以张拉破坏为主，裂隙位于岩样中部时，破坏模式受裂隙倾角调控，低裂隙倾角下仍以张拉破坏为主，高裂隙倾角下则转变为张拉-剪切混合破坏；声发射参数（RA/AF值）分析显示，低裂隙倾角时，优先出现的裂纹均以张拉裂纹为主，占比可达81.69%~88.41%，随着裂隙倾角增大，剪切裂纹占比上升，破坏模式从张拉破坏逐步过渡为多拉少剪破坏，直至最终形成张拉裂纹占比56.33%~62.73%的拉-剪混合破坏。

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周祥（2000—），男，湖北荆州人，硕士研究生，主要从事岩土方向与地下非开挖顶管方向的科研与学习。E-mail:17386313736@163.com

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周祥（2000—），男，湖北荆州人，硕士研究生，主要从事岩土方向与地下非开挖顶管方向的科研与学习。E-mail:17386313736@163.com

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