Article(id=1321897311496684332, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321897310649434924, 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=1780588800000, receivedDateStr=2026-06-05, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793094478725, onlineDateStr=2026-10-27, pubDate=1790265600000, pubDateStr=2026-09-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793094478725, onlineIssueDateStr=2026-10-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793094478725, creator=13701087609, updateTime=1793094478725, updator=13701087609, issue=Issue{id=1321897310649434924, tenantId=1146029695717560320, journalId=1225396423026438145, year='2026', volume='46', issue='9', pageStart='1', pageEnd='346', issueExtLink='null', onlineDate='null', pubDate='1790265600000', pubDateStr='2026-09-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1793094478523, creator='13701087609', updateTime=1793094618231, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321897896698561428, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321897310649434924, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321897896698561429, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321897310649434924, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=20, endPage=35, ext={EN=ArticleExt(id=1321897311702205229, articleId=1321897311496684332, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Research Status and Development Strategy of Forming Technology and Equipment for Low-Heat High-Strength Backfill in Large-Scale Mining of Deep Metal Mines, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Deep orebody mining generally faces a complex occurrence environment characterized by high in-situ stress, high ground temperature, high osmotic pressure, and strong mining disturbance. Conventional backfill mining technologies and equipment struggle to meet the demands of safe and efficient mining. Under large-scale deep mining conditions, deep shafe backfill faces problems such as high hydration heat release of cementitious materials, slow backfill formation, insufficient backfill system capacity, and high-potential-energy slurry transport that easily induces partially filled pipe flow, water hammer, and pipe bursting risks. These issues have become key bottlenecks restricting the safe and efficient mining of deep mines. Focusing on the engineering requirements for large-scale, safe, and efficient backfill in deep metal mines, three key issues were proposed: the rapid and sustained low-heat solidification mechanism of ultrafine tailings backfill slurry, the pressure regulation and high-efficiency energy utilization mechanism of full-pipe transport in deep shafts, and the stability control and formation mechanism of high backfill under deep high in-situ stress. Four key technologies were systematically summarized: performance regulation of low-heat, early-strength, and high-strength backfill cementitious materials; large-scale continuous and steady-state thickening of ultrafine tailings; pressure-reducing power generation and full-pipe transport safety assurance for deep mine backfill slurry; and formation and quality assurance of high backfill under deep high in-situ stress. The research and development directions for new materials, technologies, and equipment for green and efficient backfill in metal mines at depths of over 1 000 m and with capacities of tens of millions of tons were clarified, and a large-scale, safe, and efficient backfill technology system for deep mining was constructed. This aims to comprehensively enhance China's capacity for green and efficient development of deep strategic mineral resources and provide a theoretical basis and technical support for the large-scale development of deep mineral resources.

, authors=Ruihai Kang^{1, 2}, Jia Sheng^{1, 3, 4}, Haiqiang Jiang⁵, Yong Shi^{1, 4, 6}, Ziqi Yuan^{1, 3}, Anhua Yao^{1, 2}, Huang Zhou^{1, 6}, Youwei Xiong⁷, authorsList=Ruihai Kang, Jia Sheng, Haiqiang Jiang, Yong Shi, Ziqi Yuan, Anhua Yao, Huang Zhou, Youwei Xiong, authorCompany=null, correspAuthors=Yong Shi, 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=1321897311928697646, articleId=1321897311496684332, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=深部金属矿规模化低放热高强充填体的成型技术与装备研究现状及发展战略, columnId=1226462294582936453, journalTitle=矿业研究与开发, columnName=深部、深海矿产资源勘探与开发, runingTitle=null, highlight=null, articleAbstract=

深部矿体开采普遍面临高地应力、高地温、高渗透压与强采动扰动的复杂赋存环境，传统充填开采技术和装备难以满足安全高效开采需求。在深部规模化开采条件下，深井充填面临胶凝材料水化放热量大、充填体成型慢、充填系统能力不足、高势能料浆输送易诱发不满管与水击、爆管风险高等问题，成为制约深部矿山安全高效开采的关键瓶颈。围绕深部金属矿规模化安全高效充填的工程需求，提出了“超细尾砂充填料浆快速持续低热固化机理、深井满管输送压力调控与能量高效利用机制、深部高应力下大高度充填体稳定性控制与成型机理”3项关键问题，系统梳理了低放热早高强充填胶凝材料性能调控、超细尾砂规模化连续稳态浓密、深井充填料浆降势发电与满管输送安全保障、深部高地应力下大高度采场充填体成型与质量保障4项关键技术。明确了千米以深千万吨级金属矿绿色高效充填新材料、新技术、新装备研发方向，构建深部规模化安全高效充填技术体系，以期全面提升我国深部战略性矿产资源绿色高效开发能力，为深部矿产资源规模化开发提供理论基础与技术支撑。

, authors=康瑞海^{1, 2}, 盛佳^{1, 3, 4}, 姜海强⁵, 石勇^{1, 4, 6}, 袁子淇^{1, 3}, 姚安华^{1, 2}, 周晃^{1, 6}, 熊有为⁷, authorsList=康瑞海, 盛佳, 姜海强, 石勇, 袁子淇, 姚安华, 周晃, 熊有为, authorCompany=null, correspAuthors=石勇, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=7mUjqdqQ9u/1WUGai9em/g==, magXml=C1NESpT0GOIWEBVxlAwexw==, pdfUrl=null, pdf=hzZIrT/dUSlUpy2EgSDJ5w==, pdfFileSize=4025134, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=eywLMAcNXIkFD9AecmnRPA==, mapNumber=null, fund=null)}, authors=[Author(id=1321897312826278725, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321897311496684332, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=258805458@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1321897312947913544, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321897311496684332, authorId=1321897312826278725, language=EN, stringName=Ruihai Kang, firstName=Ruihai, middleName=null, lastName=Kang, 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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康瑞海（1973—），男，内蒙古呼伦贝尔人，正高级工程师，主要从事充填工艺、充填材料、充填设备方面的技术研究与设计工作。E-mail:258805458@qq.com

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康瑞海（1973—），男，内蒙古呼伦贝尔人，正高级工程师，主要从事充填工艺、充填材料、充填设备方面的技术研究与设计工作。E-mail:258805458@qq.com

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