Article(id=1322164786784228067, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322164760943116291, 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=1752249600000, receivedDateStr=2025-07-12, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793158249802, onlineDateStr=2026-10-28, pubDate=1766592000000, pubDateStr=2025-12-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793158249802, onlineIssueDateStr=2026-10-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793158249802, creator=13701087609, updateTime=1793158249802, updator=13701087609, issue=Issue{id=1322164760943116291, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='12', pageStart='1', pageEnd='302', issueExtLink='null', onlineDate='null', pubDate='1766592000000', pubDateStr='2025-12-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793158243641, creator='13701087609', updateTime=1793158929367, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322167637195477357, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322164760943116291, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322167637199671662, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322164760943116291, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=129, endPage=134, ext={EN=ArticleExt(id=1322164786998137572, articleId=1322164786784228067, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Grouting Reinforcement Technology and Application for Roadway with Soft and Broken Surrounding Rocks in Complex Cavity Conditions, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The stability maintenance of roadways with soft and broken surrounding rocks under complex conditions has always been a key technical challenge in the mining industry. To solve the problem of large deformation and damage in the short term after excavation and support in Longshou Mine of Jinchuan, research on secondary support of roadway with soft and broken rocks was carried out. The on-site investigation and analysis of the failure mechanism indicate that the main reasons for the instability of the roadway are the soft and fracture of the surrounding rocks and the failure of the floor filling to connect with the roof cavity. On this basis, a secondary support scheme of “grouting+anchoring net” was proposed, with 5 grouting holes evenly arranged on each grouting section, with a grouting hole depth of 2.2 m and a grouting spacing of 2 m. The parameters of the secondary anchoring net were the same as those of the initial support. The on-site application results show that the secondary support scheme significantly suppresses the deformation and damage of the roadway, reduces the deformation of the drift by more than 80%, and reduces the failure rate of the eyebrow line by 50%. There are no large-scale repairs during the entire production cycle, and the support effect is long-lasting and stable. The research results can provide reliable technical reference and practical basis for the support design of roadway with soft and broken rocks in similar mines.

, authors=Guoyu QIN¹, Baohui TAN², Guolong ZHANG¹, Hai LI¹, Jianyuan HE¹, Ganggang ZHANG¹, Lin ZUO², Yingpeng HU², authorsList=Guoyu QIN, Baohui TAN, Guolong ZHANG, Hai LI, Jianyuan HE, Ganggang ZHANG, Lin ZUO, Yingpeng HU, authorCompany=null, correspAuthors=Baohui TAN, 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=1322164790823342836, articleId=1322164786784228067, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=复杂空腔下软破围岩巷道注浆加固技术及应用, columnId=1226462295417598973, journalTitle=矿业研究与开发, columnName=矿山安全与环保, runingTitle=null, highlight=null, articleAbstract=

复杂条件下软破围岩巷道的稳定性控制是矿业领域的关键技术难题。为解决金川龙首矿在掘支后短期内大变形破坏问题，开展了软破围岩巷道二次支护研究。现场调查与破坏机理分析表明，围岩软破及底板充填不接顶空腔是导致巷道失稳的主要原因。据此，提出了“注浆+喷锚网”二次支护方案，每个注浆断面均匀布置5个注浆孔，注浆孔深为2.2 m，注浆排距为2 m，二次喷锚网参数与首次支护参数相同。现场应用结果表明，该二次支护方案显著抑制了巷道变形与破坏，进路变形量降低80%以上，眉线破坏率降幅达50%，且在全生产周期内未出现大范围返修情况，支护效果持久稳定。该研究成果可为类似条件矿山的软破围岩巷道支护设计提供可靠的技术参考与实践依据。

, authors=秦国玉¹, 谭宝会², 张国龙¹, 李海¹, 何建元¹, 张刚刚¹, 左琳², 胡颖鹏², authorsList=秦国玉, 谭宝会, 张国龙, 李海, 何建元, 张刚刚, 左琳, 胡颖鹏, authorCompany=null, correspAuthors=谭宝会, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=u/uIZb2AQ0ksVmYcxUyq/A==, magXml=VMeU27hyIC5ie7vyeXGmDA==, pdfUrl=null, pdf=Q0TIrVl8MvXYxRKlP+Aeug==, pdfFileSize=2099931, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=Og7c/Vp7FAAT1jkhtefRZw==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=sNFWG7Jg6RNnhMr+ETyFGQ==, mapNumber=null, fund=null)}, authors=[Author(id=1322164791385379580, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164786784228067, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=814405947@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322164791490237182, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164786784228067, authorId=1322164791385379580, language=EN, stringName=Guoyu QIN, firstName=Guoyu, middleName=null, lastName=QIN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.Longshou Mine, Jinchuan Group Nickel-Cobalt Co., Ltd., Jinchang, Gansu 737100, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322164791632843519, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164786784228067, authorId=1322164791385379580, language=CN, stringName=秦国玉, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.金川集团镍钴股份有限公司龙首矿，甘肃 金昌市　737100, bio={"content":"

秦国玉（1979—），男，甘肃金昌人，硕士，高级工程师，主要从事矿山生产管理等方面工作。E-mail：814405947@qq.com

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秦国玉（1979—），男，甘肃金昌人，硕士，高级工程师，主要从事矿山生产管理等方面工作。E-mail：814405947@qq.com

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