Article(id=1321893283035459913, 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=1749657600000, receivedDateStr=2025-06-12, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793093518265, onlineDateStr=2026-10-27, pubDate=1781712000000, pubDateStr=2026-06-18, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793093518265, onlineIssueDateStr=2026-10-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793093518265, creator=13701087609, updateTime=1793093518265, 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=53, endPage=61, ext={EN=ArticleExt(id=1321893283257758026, articleId=1321893283035459913, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Study on Goaf Treatment and Mining Scheme of Transition from Caving Method to Filling Method in Henan Province, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

After a certain iron mine in Henan Province was mined by sublevel caving method, due to the lack of forced caving measures, the thickness of the upper overburden strata became insufficient as the stope advanced to depth, resulting in the collapse of the goaf roof and the remaining point pillars from the original room-and-pillar method in the -40 m sublevel, which seriously threatened the safe mining of the stope. Using Mathews stability graph method and numerical simulation, the stability of the goaf was analyzed and studied. It was found that there was a large area of caving risk in the roof of the goaf. Therefore, it was suggested that the -72 m sublevel stop using the caving mining method, that the area above -72 m should be sealed off, and the area above -90 m should be mined by the filling mining method instead. Considering the mining conditions of ore body and the production capacity requirements of the mine, three technically feasible mining schemes were proposed: the sublevel open stoping with subsequent backfill method, the panel mechanized upward horizontal cut-and-fill stoping method, and the upward horizontal cut-and-fill stoping method perpendicular to the orebody strike. Taking into account the technical and economic indicators and mining safety, it was recommended that the mine adopt the panel mechanized upward horizontal cut-and-fill stoping method. After the mine transitioned from the caving mining method to the filling mining method, the ore dilution rate decreased to 10%, the loss rate decreased to 8%, and the development-to-production ratio increased to 7.47 m/kt. The annual output met the mine's design and production requirements, and within the remaining service life, the mine economy benefit could increase by 49.476 7 million yuan.

, authors=Zhongchuan Zhang¹, Wenpei Xing², Peijun Huang², Daye Yin², Bin Li², Qi Liu¹, authorsList=Zhongchuan Zhang, Wenpei Xing, Peijun Huang, Daye Yin, Bin Li, Qi Liu, 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=1321893283521999179, articleId=1321893283035459913, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=河南某铁矿崩落法转充填法开采的空区治理与回采方案研究, columnId=1226462294490657775, journalTitle=矿业研究与开发, columnName=采矿与矿山充填, runingTitle=null, highlight=null, articleAbstract=

河南某铁矿采用分段崩落法回采后，因未采取强制放顶措施，随着采场向深部推进，上部覆盖岩层厚度不足，导致空区顶板以及-40 m分段原房柱法遗留点柱发生垮塌冒落，严重威胁采场的安全回采。采用Mathews图解法与数值模拟对空区稳定性展开分析研究，发现空区顶板存在大面积垮冒风险，因此建议-72 m分段停止采用崩落采矿法回采，对-72 m以上分段进行封堵，-90 m以上分段改用充填采矿法回采。结合矿体开采条件与矿山产能需求，提出三种技术可行的开采方案，分别为分段空场嗣后充填采矿法、盘区机械化上向水平分层充填采矿法、垂直矿体走向上向水平分层充填采矿法；综合考量生产技术经济指标与回采安全性，推荐该矿山采用盘区机械化上向水平分层充填采矿法回采。该矿山由崩落采矿法转充填采矿法回采后，矿石贫化率降至10%，损失率降至8%，采切比提升至7.47 m/kt，年产值满足矿山设计生产要求，且在剩余服务年限内，矿山经济效益可提升4 947.67万元。

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张忠传（1994—），男，江西宜春人，硕士，工程师，主要从事金属矿床开采技术研究。E-mail:2594148769@qq.com

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张忠传（1994—），男，江西宜春人，硕士，工程师，主要从事金属矿床开采技术研究。E-mail:2594148769@qq.com

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