Article(id=1322559957522826222, 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=1744128000000, receivedDateStr=2025-04-09, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793252465849, onlineDateStr=2026-10-29, pubDate=1777046400000, pubDateStr=2026-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793252465849, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793252465849, creator=13701087609, updateTime=1793252465849, 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=25, endPage=33, ext={EN=ArticleExt(id=1322559959531897839, articleId=1322559957522826222, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Optimization Research on Stope Structural Parameters of Fractured Orebody in Makeng Iron Mine, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To improve the stability of the surrounding rock in the stopes of lines 61-65 in the Makeng Iron Mine, the Mathews stability graph method and FLAC3D numerical simulation were comprehensively used. A stress-displacement analysis model was established, and the effects of stope structural parameters (length, width, height) on the stability of the surrounding rock were systematically studied. The results show that during the mining process, the roof is dominated by tensile stress concentration, while the side walls exhibit compressive stress concentration. The stope width plays a dominant role in the stress distribution of the roof. The stope length significantly affects the displacement and stress release of the side walls. Shortening the stope length significantly reduces the displacement of the side walls and the risk of caving, which enhances the stope stability. The parameter combination of 20 m×10 m×54 m (length×width×height) has the best effect in controlling the stress concentration of the roof and the deformation of the side walls. Reducing the mining height to 36 m inhibits the horizontal displacement to a certain extent. However, the risk of roof caving remains high in the fractured rock mass area, indicating that solely adjusting the mining height is difficult to solve the local stability problem. Based on the zoning design of rock mass quality, a slicing scheme was proposed. By optimizing the parameters of the fracture zone and shortening the stope length, this scheme effectively mitigates the problem of side wall caving in the 63-1R section. The research results provide a theoretical basis for the structural optimization and surrounding rock stability control of stopes in the Makeng Iron Mine.

, authors=Xiaobing CHEN, authorsList=Xiaobing CHEN, authorCompany=null, correspAuthors=null, 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=1322559959762584560, articleId=1322559957522826222, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=马坑铁矿破碎矿体采场结构参数优化研究, columnId=1226462294490657775, journalTitle=矿业研究与开发, columnName=采矿与矿山充填, runingTitle=null, highlight=null, articleAbstract=

为提高马坑铁矿61~65线采场的围岩稳定性，综合运用Mathews稳定性图解法与FLAC3D数值模拟，建立应力-位移分析模型，系统研究采场结构参数（长度、宽度、高度）对围岩稳定性的影响。结果表明，开采过程中顶板以拉应力集中为主，侧帮则表现为压应力集中；采场宽度对顶板应力分布起主导作用，采场长度显著影响侧帮的位移与应力释放，缩短采场长度可显著降低侧帮位移和跨冒风险，增强采场稳定性，20 m×10 m×54 m（长度×宽度×高度）参数组合在控制顶板应力集中和侧帮变形方面效果最优；降低采场高度至36 m在一定程度上可抑制水平位移，但在破碎岩体区域顶板垮塌风险依然较高，表明单一调整采场高度难以解决局部稳定性问题；基于岩体质量分区设计的分采方案，通过优化破碎带参数和缩短采场长度，有效缓解了63-1R段的侧帮跨冒问题。研究成果可为马坑铁矿采场结构优化与围岩稳定性控制提供理论依据。

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陈小兵（1988—），男，江西南昌人，硕士，高级工程师，主要从事矿山地质工作。E-mail:921017591@qq.com

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陈小兵（1988—），男，江西南昌人，硕士，高级工程师，主要从事矿山地质工作。E-mail:921017591@qq.com

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