Article(id=1304141615954678114, tenantId=1146029695717560320, journalId=1303687303576780880, issueId=1304141595331293792, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1009-3842.2026.04.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1765900800000, receivedDateStr=2025-12-17, revisedDate=1774540800000, revisedDateStr=2026-03-27, acceptedDate=null, acceptedDateStr=null, onlineDate=1788861191022, onlineDateStr=2026-09-08, pubDate=1787846400000, pubDateStr=2026-08-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1788861191022, onlineIssueDateStr=2026-09-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1788861191022, creator=13701087609, updateTime=1788861191022, updator=13701087609, issue=Issue{id=1304141595331293792, tenantId=1146029695717560320, journalId=1303687303576780880, year='2026', volume='', issue='4', pageStart='1', pageEnd='132', issueExtLink='null', onlineDate='null', pubDate='1787846400000', pubDateStr='2026-08-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1788861186106, creator='13701087609', updateTime=1788924908244, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1304408865437672371, tenantId=1146029695717560320, journalId=1303687303576780880, issueId=1304141595331293792, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1304408865437672372, tenantId=1146029695717560320, journalId=1303687303576780880, issueId=1304141595331293792, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=87, endPage=93, ext={EN=ArticleExt(id=1304141616151810403, articleId=1304141615954678114, tenantId=1146029695717560320, journalId=1303687303576780880, language=EN, title=Optimization of Mix Proportion and Performance Investigation of Solid-Waste-Based Cementitious Filling Materials, columnId=1304141596639916642, journalTitle=Copper Engineering, columnName=Special Topic: Utilization of Mining and Metallurgical Solid Waste and Pollution Control, runingTitle=null, highlight=null, articleAbstract=

To address issues of high cost of traditional cement-based filling materials and poor bonding of ultra-fine tailings as a component, a solid-waste-based cementitious material was developed for the backfill of a molybdenum mine in Shaanxi Province. Steel slag, slag, and desulfurization gypsum were used as main raw materials, formulated with a performance modifier. The formulation of the solid-waste-based cementitious material was studied by varying the content and fineness of slag powder. The optimal formulation was selected to investigate application performance of backfill bodies and micromorphology of hydration products of the cementitious material. Results showed that the optimal formula of the solid-waste-based cementitious filling material was 60% slag powder (407 m²/kg), 20% steel slag powder, 20% desulfurization gypsum, and 0.6% performance regulator. Under this ratio, compressive strength of backfill bodies at all curing ages was superior to that of P·O 42.5 cement, with 28-day compressive strength reaching up to twice that of the cement group. Moreover, when cement-sand ratios were 1∶7, 1∶15, and 1∶16, respectively, strength requirements of different backfill zones were satisfied. Meanwhile, the material exhibited excellent fluidity and volume stability. Leaching toxicity indexes of all backfill bodies were lower than the limits specified in GB 8978—1996, indicating favorable environmental safety. Main hydration products were acicular-rod ettringite and fibrous gel-like C-S-H gel, which were interwoven to form a dense structure. The solid-waste-based cementitious filling material developed in this study had potentials of realizing resource utilization of solid waste and reducing backfill costs, providing technical support for green and efficient backfill of mines.

, authors=Shaoning Yin, Peng Yuan, Dong Pan, Kun Wang, Xiang Meng, Jiawei Wu, authorsList=Shaoning Yin, Peng Yuan, Dong Pan, Kun Wang, Xiang Meng, Jiawei Wu, authorCompany=null, correspAuthors=Kun Wang, 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=1304141616462188900, articleId=1304141615954678114, tenantId=1146029695717560320, journalId=1303687303576780880, language=CN, title=固废基充填胶凝材料配比优化与性能研究, columnId=1304878720477590059, journalTitle=铜业工程, columnName=矿冶固废资源综合利用与污染防治专题, runingTitle=null, highlight=null, articleAbstract=

为解决传统水泥成本高且对超细尾矿胶结效果欠佳的问题，针对陕西某钼矿尾矿充填需求，以钢渣、矿渣、脱硫石膏为主要原料，并复配性能调节剂，开发固废基充填胶凝材料。通过改变矿渣粉掺量和细度，开展固废基胶凝材料配方研究，并选取综合性能最优的配方进行充填体应用性能和胶凝材料水化产物微观形貌分析。结果表明：固废基充填胶凝材料最优配比为矿渣粉（407 m²/kg）60%、钢渣粉20%、脱硫石膏19.4%、性能调节剂0.6%。该配比下充填体各龄期抗压强度均优于P·O 42.5水泥组，28 d抗压强度最高可达水泥组2倍，且在胶砂比为1∶7、1∶15、1∶16时，可分别满足不同充填区域的强度要求，同时具备良好的流动性和体积稳定性。充填体浸出毒性各项指标均低于GB 8978—1996限值，环境安全性良好，水化产物主要为针棒状钙矾石和纤维状C-S-H凝胶，两者交织形成致密结构。该研究开发的固废基充填胶凝材料实现了固体废弃物资源化利用，降低了充填成本，为矿山绿色高效充填提供了技术支撑。

, authors=尹韶宁, 袁鹏, 潘栋, 汪坤, 孟翔, 吴佳炜, authorsList=尹韶宁, 袁鹏, 潘栋, 汪坤, 孟翔, 吴佳炜, authorCompany=null, correspAuthors=汪坤, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=53hszxGOeF06dO6OJcUzGg==, magXml=FanVKH010DbCrMLi7mKEGg==, pdfUrl=null, pdf=ENlMDx4mdwrb0CKrMXIG9A==, pdfFileSize=2050218, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=70xys/l+S4gK/tWFUYSfGQ==, mapNumber=null, fund=null)}, authors=[Author(id=1304878735832928776, tenantId=1146029695717560320, journalId=1303687303576780880, articleId=1304141615954678114, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=ysn2026@126.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1304878735900037642, tenantId=1146029695717560320, journalId=1303687303576780880, articleId=1304141615954678114, authorId=1304878735832928776, language=EN, stringName=Shaoning Yin, firstName=Shaoning, middleName=null, lastName=Yin, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=Institute of Technical Information for Building Materials Industry，Beijing 100024，China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1304878735975535115, tenantId=1146029695717560320, journalId=1303687303576780880, articleId=1304141615954678114, authorId=1304878735832928776, language=CN, stringName=尹韶宁, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=建筑材料工业技术情报研究所，北京 100024, bio={"content":"

尹韶宁（1994—），男，湖南攸县人，工程师，研究方向：大宗工业固废资源化研究，E-mail：ysn2026@126.com

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尹韶宁（1994—），男，湖南攸县人，工程师，研究方向：大宗工业固废资源化研究，E-mail：ysn2026@126.com

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