Article(id=1314907889706295561, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907832038810534, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2026.02.006, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1760544000000, receivedDateStr=2025-10-16, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791428070713, onlineDateStr=2026-10-08, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791428070713, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791428070713, creator=13701087609, updateTime=1791428070713, updator=13701087609, issue=Issue{id=1314907832038810534, tenantId=1146029695717560320, journalId=1235980550691926019, year='2026', volume='46', issue='2', pageStart='1', pageEnd='214', issueExtLink='null', onlineDate='null', pubDate='1774972800000', pubDateStr='2026-04-01', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1791428056964, creator='13701087609', updateTime=1791430468655, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314917947500486818, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907832038810534, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314917947500486819, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907832038810534, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=36, endPage=43, ext={EN=ArticleExt(id=1314907889970536714, articleId=1314907889706295561, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Crack Propagation and Energy Evolution of Rock Mass with Cross-Fractures, columnId=1236276106018484431, journalTitle=Mining and Metallurgical Engineering, columnName=MINING, runingTitle=null, highlight=null, articleAbstract=

Based on PFC^2D, a numerical model was constructed to systematically analyze the effects of confining pressure and fracture dip angle on the crack propagation, failure modes, and energy evolution of rock mass with cross-fractures. The results show that with the increase of confining pressure, the failure mode transitions from tensile or mixed failure mode under low confining pressure to shear-dominated failure under high confining pressure. As the dip angle increases, the secondary fracture-dominated fracture is shifted to primary fracture-dominated fracture. The confining pressure significantly affects the propagation morphology and quantity of cracks, whereas the dip angle mainly influences the crack initiation location and propagation path. The confining pressure enhances the energy storage capacity of rock samples, promotes strain energy accumulation, and strengthens the overall toughness of the structure. The dip angle mainly affects the energy allocation path. When the dip angle of cross-fractures is 45°, the specimen exhibits an extremely high energy storage capacity and delayed failure behavior, indicating a strong load-bearing capacity but a high rockburst risk. When the dip angle of cross-fractures is 60°, the lower energy storage limit of the specimen leads to sudden burst of energy, demonstrating typical brittle failure characteristics.

, authors=Xiyuan TANG¹, Zonghong ZHOU², Yang XU¹, Jian LIU², Huaipeng LI³, authorsList=Xiyuan TANG, Zonghong ZHOU, Yang XU, Jian LIU, Huaipeng LI, authorCompany=null, correspAuthors=Zonghong ZHOU, 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=1314907890465464587, articleId=1314907889706295561, tenantId=1146029695717560320, journalId=1235980550691926019, language=CN, title=含交叉裂隙岩体裂纹扩展与能量演化研究, columnId=1236276106219811026, journalTitle=矿冶工程杂志, columnName=采矿, runingTitle=null, highlight=null, articleAbstract=

基于PFC^2D构建数值模型，系统分析了围压与裂隙倾角对交叉裂隙岩体裂纹扩展、破坏模式及能量演化的影响。结果表明，随着围压增加，破坏模式由低围压下的张拉或混合型破坏转为高围压下的剪切主导破坏。随着倾角增大，破坏路径由次裂隙主导转为主裂隙主导。围压显著影响裂纹的扩展形态与数量，但倾角主要影响裂纹起裂位置和扩展路径。围压提升岩样的储能能力，促进应变能积累，增强结构的整体韧性。倾角主要影响能量分配路径，交叉裂隙倾角45°时试样具有极高的能量储存能力和延迟破坏行为，表明其承载能力强，但岩爆风险较高；交叉裂隙倾角60°时试样的储能极限较低且能量释放更突然，表现出典型的脆性破坏特征。

, authors=唐晞源¹, 周宗红², 徐阳¹, 刘剑², 李怀鹏³, authorsList=唐晞源, 周宗红, 徐阳, 刘剑, 李怀鹏, authorCompany=null, correspAuthors=周宗红, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=a455TDgy5p/t1bnWj12/Hg==, magXml=PUd2Lvuot+XFlKTeo8ijPA==, pdfUrl=null, pdf=SBObhhpnQaQoUzoAWpzbZQ==, pdfFileSize=3018769, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=1BKzN1w+C5LiXV4g40KGFQ==, mapNumber=null, fund=null)}, authors=[Author(id=1314907891530817814, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314907889706295561, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=15924778965@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1314907891597926680, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314907889706295561, authorId=1314907891530817814, language=EN, stringName=Xiyuan TANG, firstName=Xiyuan, middleName=null, lastName=TANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.Faculty of Public Safety and Emergency Management, Kunming University of Science and Technology, Kunming 650000, Yunnan, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1314907891677618457, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314907889706295561, authorId=1314907891530817814, language=CN, stringName=唐晞源, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1．昆明理工大学 公共安全与应急管理学院，云南 昆明 650000, bio={"content":"

唐晞源（1999-），男，云南曲靖人，硕士研究生，研究方向为采矿安全与岩石力学。E-mail: 15924778965@163.com

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唐晞源（1999-），男，云南曲靖人，硕士研究生，研究方向为采矿安全与岩石力学。E-mail: 15924778965@163.com

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