Article(id=1314908165217542875, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314908074188562588, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2026.04.010, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1772035200000, receivedDateStr=2026-02-26, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791428136400, onlineDateStr=2026-10-08, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791428136400, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791428136400, creator=13701087609, updateTime=1791428136400, updator=13701087609, issue=Issue{id=1314908074188562588, tenantId=1146029695717560320, journalId=1235980550691926019, year='2026', volume='46', issue='4', pageStart='1', pageEnd='266', issueExtLink='null', onlineDate='null', pubDate='1785513600000', pubDateStr='2026-08-01', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1791428114697, creator='13701087609', updateTime=1791430419337, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314917740654191268, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314908074188562588, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314917740654191269, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314908074188562588, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=74, endPage=80, ext={EN=ArticleExt(id=1314908165540504285, articleId=1314908165217542875, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Shear Mechanical Properties and Fracture Mechanism of Sandstone Containing Intersecting Fractures, columnId=1236276106018484431, journalTitle=Mining and Metallurgical Engineering, columnName=MINING, runingTitle=null, highlight=null, articleAbstract=

The shear mechanical behavior of red sandstone specimens with prefabricated V-shaped fractures was systematically investigated via laboratory shear tests and numerical simulations, from the perspectives of strength parameters, crack-initiation locations, coalescence modes and stress-field evolution. The results show that the deterioration of internal friction angle and cohesion of specimens is the most significant when the crack opening angle α=110° and azimuth angle β=0°. The finally formed fracture surfaces with coalescence in specimens are parallel to the shear direction, whereas the crack-initiation locations are strongly controlled by the azimuth angle β. The stress-field distribution shows clear zoning behavior:the low-stress zone presents an inclined S shape, while high-stress and shear-stress zones concentrate at fracture tips and end boundaries. From the mesoscopic perspective, principal stresses dominate the development of wing fractures, and the coupled compression-shear effect is the fundamental cause for the generation of secondary fractures.

, authors=Erhui MA^{1, 2}, Zhen YU^{1, 2}, Hongtao YE^{1, 2}, Rongzhou ZHANG³, Xianpeng ZHUANG³, authorsList=Erhui MA, Zhen YU, Hongtao YE, Rongzhou ZHANG, Xianpeng ZHUANG, authorCompany=null, correspAuthors=Rongzhou ZHANG, 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=1314908166316450526, articleId=1314908165217542875, tenantId=1146029695717560320, journalId=1235980550691926019, language=CN, title=含相交裂隙砂岩剪切力学特性及断裂机理研究, columnId=1236276106219811026, journalTitle=矿冶工程杂志, columnName=采矿, runingTitle=null, highlight=null, articleAbstract=

通过室内剪切试验与数值模拟相结合的方法，从强度参数、起裂位置、贯通模式和应力场演化角度系统研究了含V形预制裂隙红砂岩的剪切力学行为。结果表明，当裂隙张开角 α=110°、方位角β=0°时，试样的内摩擦角和黏聚力劣化最显著。所有裂隙试样的最终贯通面均平行于剪切方向，但其初始起裂位置却显著受控于方位角β。应力场分布呈现显著的分区特征，即低压域呈倾斜S状，而高压与剪应力域则集中于裂隙尖端与端部边界。由细观层面可知，主应力驱动了翼形裂隙的发育，而压剪耦合作用则是诱发二次裂隙的根本原因。

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马二辉（1987—），男，安徽宿州人，高级工程师，主要从事矿山灾害预防工作。E-mail: 892587490@qq.com

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马二辉（1987—），男，安徽宿州人，高级工程师，主要从事矿山灾害预防工作。E-mail: 892587490@qq.com

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