Article(id=1322559996882174237, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559951067792299, 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=1767110400000, receivedDateStr=2025-12-31, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793252475233, onlineDateStr=2026-10-29, pubDate=1777046400000, pubDateStr=2026-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793252475233, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793252475233, creator=13701087609, updateTime=1793252475233, updator=13701087609, issue=Issue{id=1322559951067792299, tenantId=1146029695717560320, journalId=1225396423026438145, year='2026', volume='46', issue='4', pageStart='1', pageEnd='294', issueExtLink='null', onlineDate='null', pubDate='1777046400000', pubDateStr='2026-04-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793252464310, creator='13701087609', updateTime=1793252763065, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322561204200001631, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559951067792299, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322561204200001632, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559951067792299, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=162, endPage=169, ext={EN=ArticleExt(id=1322559997049946398, articleId=1322559996882174237, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Damage Evolution of Fractured Rock Mass Under Coupled Impact Load and Confining Pressure, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To quantitatively analyze the dynamic response characteristics of prefabricated fractured rock mass under the coupled action of impact load and confining pressure, a SHPB numerical model was established using ANSYS/LS-DYNA based on one-dimensional stress wave theory and the HJC dynamic damage constitutive model. Dynamic impact simulations were carried out on prismatic marble specimens with different prefabricated fracture inclination angles and different initial confining pressures. The results show that under a given strain rate, the pre-peak segments of the stress-strain curves for various working conditions are basically coincident, and macroscopic cracking mainly occurs in the short duration near the peak stress. Confining pressure has a significant enhancement effect on the dynamic strength. The peak stress increases with the increase of confining pressure, and its increase with the variation of fracture inclination angle is more significant under high confining pressure. When the confining pressure is 0, 5 and 10 MPa, the increase of peak stress with the variation of fracture inclination angle is approximately 14%, 20% and 30%, respectively. The peak strain of the rock mass increases from about 0.004 to about 0.006 1. The crack morphology is generally dominated by "X"-type shear failure. Based on the crack propagation trajectory and the crack initiation mechanism, five typical crack types and one fragmentation characteristic can be summarized. As the confining pressure increases, the crack network inside the rock mass becomes more complex and the fragmentation degree of the specimen intensifies significantly. Energy evolution analysis shows that when the incident energy is kept consistent across all working conditions, as the confining pressure increases from 0 to 10 MPa, the average energy absorption rate of the specimen increases from 6.13% to 9.35%, the energy reflection rate decreases from 93.54% to 89.99%, and the energy transmission rate increases from 0.33% to 0.66%. The dissipated energy generally increases with the increase of confining pressure. As the fracture inclination angle increases, the dissipated energy shows a local low value near 45° and then increases rapidly. The research results can provide a reference for damage assessment and stability control of fractured rock mass under the coupled action of blasting vibration disturbance and in-situ stress in scenarios such as shallow slopes and deep roadways.

, authors=Zhuoming SUN, Yongjun ZHANG, Jiahui ZHANG, authorsList=Zhuoming SUN, Yongjun ZHANG, Jiahui ZHANG, authorCompany=null, correspAuthors=Yongjun 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=1322559997377102112, articleId=1322559996882174237, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=冲击荷载与围压耦合作用下裂隙岩体损伤演化研究, columnId=1226462295417598973, journalTitle=矿业研究与开发, columnName=矿山安全与环保, runingTitle=null, highlight=null, articleAbstract=

为定量分析冲击荷载与围压耦合作用下预制裂隙岩体的动态响应特征，基于一维应力波理论与HJC动态损伤本构模型，采用ANSYS/LS-DYNA建立SHPB数值模型，对不同预制裂隙倾角及不同初始围压条件下的棱柱状大理岩试样开展动态冲击模拟。结果表明：在给定应变率条件下，各工况应力-应变曲线峰前段基本重合，宏观起裂主要发生于峰值应力附近的短历时阶段；围压对动强度提升作用显著，峰值应力随围压增大而提高，且随裂隙倾角变化的增幅在高围压下更为显著，围压为0，5，10 MPa时，峰值应力随倾角变化的增幅分别约为14%、20%、30%，岩体峰值应变由约0.004提高至约0.006 1；裂纹形态总体以“X”形剪切破坏为主导，依据裂纹扩展轨迹与起裂力学机制，可归纳出5类典型裂纹类型及1类碎裂特征；围压增大时，岩体内部裂纹网络更趋复杂、试样碎裂程度显著加剧。能量演化分析表明，各工况入射能量保持一致时，围压由0增至10 MPa时，试样平均能量吸收率由6.13%提升至9.35%，能量反射率由93.54%降至89.99%，能力透射率由0.33%升至0.66%；耗散能随围压增大整体上升，并随裂隙倾角增大，在45°附近出现局部低值后快速递增。研究结果可为浅埋边坡、深埋巷道等场景中，裂隙岩体在爆破振动扰动与地应力耦合作用下的损伤评估与稳定性控制提供参考。

, authors=孙卓明, 张拥军, 张家辉, authorsList=孙卓明, 张拥军, 张家辉, authorCompany=null, correspAuthors=张拥军, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=QyErGTPDBjmDzxEmWxLeQw==, magXml=FohnTA/KsbI5q09Q9CYsZQ==, pdfUrl=null, pdf=l+1OOBRnbxAf1qDA1HBnEQ==, pdfFileSize=2084583, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=Kuo+IQ1XDY1UmXVmEXFL2Q==, mapNumber=null, fund=null)}, authors=[Author(id=1322559997700063525, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322559996882174237, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=1157683248@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322559997792338215, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322559996882174237, authorId=1322559997700063525, language=EN, stringName=Zhuoming SUN, firstName=Zhuoming, middleName=null, lastName=SUN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=School of Civil Engineering, Qingdao University of Technology, Qingdao, Shandong 266520, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322559997867835688, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322559996882174237, authorId=1322559997700063525, language=CN, stringName=孙卓明, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=青岛理工大学 土木工程学院，山东 青岛市　266520, bio={"content":"

孙卓明（2000—），男，山东潍坊人，硕士研究生，主要从事岩石动力学方面的研究。E-mail:1157683248@qq.com

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孙卓明（2000—），男，山东潍坊人，硕士研究生，主要从事岩石动力学方面的研究。E-mail:1157683248@qq.com

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