Article(id=1321893397124730900, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321893331622286028, 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=1754928000000, receivedDateStr=2025-08-12, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793093545466, onlineDateStr=2026-10-27, pubDate=1784908800000, pubDateStr=2026-07-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793093545466, onlineIssueDateStr=2026-10-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793093545466, creator=13701087609, updateTime=1793093545466, updator=13701087609, issue=Issue{id=1321893331622286028, tenantId=1146029695717560320, journalId=1225396423026438145, year='2026', volume='46', issue='7', pageStart='1', pageEnd='320', issueExtLink='null', onlineDate='null', pubDate='1784908800000', pubDateStr='2026-07-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793093529849, creator='13701087609', updateTime=1793094587578, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321897768357048353, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321893331622286028, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321897768357048354, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321893331622286028, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=50, endPage=61, ext={EN=ArticleExt(id=1321893398626291733, articleId=1321893397124730900, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Study on Preparation and Properties of Grouting Materials for Water-Rich Underground Mines in the Central African Copper (Cobalt) Metallogenic Belt, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

In view of the problems of large water inflow and difficult grouting and water plugging in some underground mines in the copper (cobalt) metallogenic belt of Central Africa, which seriously restrict the safe mining of mineral resources, Chambishi Copper Mine was selected as the research object, and efficient plugging materials and processes suitable for this mine and similar water-rich mines were developed. Five kinds of materials, including local clay, bentonite, a chemical material, domestic ultrafine cement and tailings from Africa, were selected for laboratory tests. Multi-proportion slurries were prepared according to different mixing schemes, and the physicochemical properties (viscosity, relative density, bleeding rate and plastic strength), setting time and compressive strength of each slurry's stone body were tested. The results show that the local mud cake meets the requirements for pulping. The 7 d compressive strength of the modified clay slurry stone body is 0.11-0.69 MPa, and its viscosity increases significantly with a decrease in water-solid ratio. It is suitable for large-scale ground curtain, wellbore curtain and other projects, and can reduce material costs by about 30%. The local bentonite meets the requirements for pulping. The 7 d compressive strength of the cement-bentonite slurry stone body is 0.10-2.34 MPa. When the water-solid ratio is ≤2∶1, the setting time shortens with the increase in bentonite content, making it suitable for deep poorly injectable strata. In the deep multi-layer sand belt area, its injectability is 7 times higher than that of traditional cement slurry. The 28 d compressive strength of the ultrafine cement slurry stone body can reach up to 59.8 MPa, and its strength decreases with the increase in water-binder ratio. It is suitable for micro-fracture and backfill grouting, offering improved impermeability and high compressive strength. By adjusting the content of GROUTEX, the chemical slurry can achieve instant setting, and the compressive strength of its stone body reaches 43.65 MPa. It is suitable for sealing poorly sealed boreholes, achieving instant setting with a strength greater than 43 MPa, thereby preventing water inrush accidents caused by exposing water-rich boreholes underground. The bleeding rate of the tailings slurry is high, and the 7 d compressive strength of its stone body reaches up to 9.7 MPa; further improvement tests with different additives are therefore necessary.

, authors=Long Teng^{1, 2}, Zhu Yang^{1, 2}, Gaohui Yao³, Shiping Xie^{1, 2}, Kai Li^{1, 2}, Yangming Li^{1, 2}, authorsList=Long Teng, Zhu Yang, Gaohui Yao, Shiping Xie, Kai Li, Yangming Li, authorCompany=null, correspAuthors=Zhu Yang, 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=1321893399293186070, articleId=1321893397124730900, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=中非铜（钴）成矿带大水地采矿山注浆材料的制备及性能研究, columnId=1226462294490657775, journalTitle=矿业研究与开发, columnName=采矿与矿山充填, runingTitle=null, highlight=null, articleAbstract=

针对中非铜（钴）成矿带部分地采矿山矿坑涌水量大、注浆堵水难等严重制约矿产资源安全开采的问题，以谦比希铜矿为研究对象，研发适用于该矿及类似大水矿山的高效封堵材料与工艺。选取非洲当地黏土、膨润土、某化学材料及国产超细水泥、尾砂5类材料进行室内试验，通过多组配比方案制备浆液，测试各浆液的物理化学性质（黏度、相对密度、析水率和塑性强度）、凝结时间及结石体抗压强度。结果表明，当地泥饼符合制浆要求，改性黏土浆液结石体7 d抗压强度为0.11~0.69 MPa，其黏度随水固比减小而显著增大，适用于大型地面帷幕、井筒帷幕等工程，可降低约30%的材料费用；当地膨润土满足制浆要求，水泥-膨润土浆液结石体7 d抗压强度为0.10~2.34 MPa，在水固比≤2∶1时凝结时间随膨润土掺量增加而缩短，适用于深部难注岩层，在深部多层沙带区域较传统水泥浆可注性提高7倍；超细水泥浆液结石体28 d抗压强度最高可达59.8 MPa，其强度随水胶比增大而降低，适用于微裂隙及壁后注浆，可提升防渗性能，结石体抗压强度高；化学浆液通过调整GROUTEX掺量可实现瞬凝，结石体抗压强度达43.65 MPa，适用于封闭不良钻孔，可实现瞬凝且强度大于 43 MPa，可防止井下揭露大水钻孔引发的突水事故；尾砂浆液析水率偏高，结石体7 d抗压强度最高为9.7 MPa，需进一步开展不同添加剂的改良试验。

, authors=滕龙^{1, 2}, 杨柱^{1, 2}, 姚高辉³, 谢世平^{1, 2}, 李开^{1, 2}, 李阳明^{1, 2}, authorsList=滕龙, 杨柱, 姚高辉, 谢世平, 李开, 李阳明, authorCompany=null, correspAuthors=杨柱, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=xMuV15TRCmx2SZr91lBiKw==, magXml=vlMO8YL3Hdq9CdA+i2vNYg==, pdfUrl=null, pdf=v0npnSIpbptWwc45ZVcLkA==, pdfFileSize=4285829, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=90t3QMTFwUWR5/t7PVBnZQ==, mapNumber=null, fund=null)}, authors=[Author(id=1321893399737782305, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321893397124730900, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=tenglongcky@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1321893399842639908, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321893397124730900, authorId=1321893399737782305, language=EN, stringName=Long Teng, firstName=Long, middleName=null, lastName=Teng, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=^{1, 2}, address=^1.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China
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^2．金属矿山安全技术国家重点实验室，湖南 长沙　410012, bio={"content":"

滕龙（1994—），男，湖北恩施人，硕士，工程师，主要从事矿山水害防治与水环境保护理论、技术等方面的研究工作。E-mail:tenglongcky@163.com

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滕龙（1994—），男，湖北恩施人，硕士，工程师，主要从事矿山水害防治与水环境保护理论、技术等方面的研究工作。E-mail:tenglongcky@163.com

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