Article(id=1304141596291789409, tenantId=1146029695717560320, journalId=1303687303576780880, issueId=1304141595331293792, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1009-3842.2026.04.007, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1765382400000, receivedDateStr=2025-12-11, revisedDate=1773072000000, revisedDateStr=2026-03-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1788861186335, onlineDateStr=2026-09-08, pubDate=1787846400000, pubDateStr=2026-08-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1788861186335, onlineIssueDateStr=2026-09-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1788861186335, creator=13701087609, updateTime=1788861186335, 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=57, endPage=62, ext={EN=ArticleExt(id=1304141596740579939, articleId=1304141596291789409, tenantId=1146029695717560320, journalId=1303687303576780880, language=EN, title=Performance and Application of Ultrafine Composite Admixture Based on Copper Tailings, columnId=1304141596639916642, journalTitle=Copper Engineering, columnName=Special Topic: Utilization of Mining and Metallurgical Solid Waste and Pollution Control, runingTitle=null, highlight=null, articleAbstract=

To achieve large-scale and high-value utilization of copper tailings, copper tailings were compounded with mineral powder and fly ash, and then ground by an ultra-fine ball mill with special grinding media to obtain copper-tailings-based ultrafine composite admixtures with specific surface areas of 755 m²/kg and 730 m²/kg, respectively. Basic properties of these admixtures and their effects on workability, mechanical properties and durability of concrete were studied. Results showed that compared with conventional fineness S95 mineral powder, flow ratio of copper-tailings-based ultrafine composite admixtures was slightly lower, but they had higher early activity. 7-day activity index was increased by 10% and 7%, respectively, and 28-day activity index was slightly lower than that of S95 mineral powder. Addition of fly ash can improve flow ratio and 28-day activity index. In C30 grade concrete, copper-tailings-based ultrafine composite admixtures can completely replace original slag powder in mix proportion and further reduce cement dosage by 20 kg. Compressive strength of the concrete showed an increasing trend. Impermeability, chloride ion penetration resistance, carbonation resistance, sulfate resistance and freeze-thaw resistance of the concrete were all improved. This study provided an effective approach and theoretical support for high-value-added resource utilization of copper tailings.

, authors=Wenhui Huang¹, Shaoning Yin², Kun Wang², authorsList=Wenhui Huang, Shaoning Yin, Kun Wang, 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=1304141597898207844, articleId=1304141596291789409, tenantId=1146029695717560320, journalId=1303687303576780880, language=CN, title=铜尾矿超细复合掺合料性能及应用研究, 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=

为实现铜尾矿的规模化和高值化利用，将铜尾矿与矿粉、粉煤灰进行复合，并采用具有特殊级配研磨体的超细球磨机对其进行粉磨加工，得到比表面积分别为755 m²/kg和730 m²/kg的铜尾矿超细复合掺合料，研究其基本性能以及对混凝土工作性能、力学性能和耐久性能的影响。研究表明：相较于常规细度的S95矿粉，铜尾矿超细复合掺合料流动度比稍低，具有较高的早期活性，7 d活性指数提高了7%~10%，28 d活性指数略低于S95矿粉，掺加粉煤灰后可提高其流动度比及28 d活性指数；铜尾矿超细复合掺合料可替代C30混凝土原配比中的全部矿粉及20 kg水泥用量，并且替代后可提高混凝土的抗压强度，以及抗渗、抗碳化、抗冻融、抗氯离子渗透、抗硫酸盐侵蚀等多方面性能。本研究为铜尾矿的高附加值资源化利用提供了有效途径与理论支撑。

, authors=黄文辉¹, 尹韶宁², 汪坤², authorsList=黄文辉, 尹韶宁, 汪坤, authorCompany=null, correspAuthors=汪坤, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=u6lgwUfPap//sO9HxVx5Yw==, magXml=MhYiIwEhi9bKrS7OKgXfJg==, pdfUrl=null, pdf=Y5vNXDKdrrQb2Wuzyg2YOw==, pdfFileSize=444846, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=kxopBAf6b21CQP71978JNw==, mapNumber=null, fund=null)}, authors=[Author(id=1304878724575425075, tenantId=1146029695717560320, journalId=1303687303576780880, articleId=1304141596291789409, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=283265578@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1304878724659311157, tenantId=1146029695717560320, journalId=1303687303576780880, articleId=1304141596291789409, authorId=1304878724575425075, language=EN, stringName=Wenhui Huang, firstName=Wenhui, middleName=null, lastName=Huang, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.Technical Supervision & Research Center for China Building Materials Industry，Beijing 100024，China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1304878724747391542, tenantId=1146029695717560320, journalId=1303687303576780880, articleId=1304141596291789409, authorId=1304878724575425075, language=CN, stringName=黄文辉, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.建筑材料工业技术监督研究中心，北京 100024, bio={"content":"

黄文辉（1991—），男，河北雄县人，本科，工程师，研究方向：无机非金属材料，E-mail：283265578@qq.com

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黄文辉（1991—），男，河北雄县人，本科，工程师，研究方向：无机非金属材料，E-mail：283265578@qq.com

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