Article(id=1321897338348617840, 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=1766073600000, receivedDateStr=2025-12-19, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793094485127, onlineDateStr=2026-10-27, pubDate=1790265600000, pubDateStr=2026-09-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793094485127, onlineIssueDateStr=2026-10-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793094485127, creator=13701087609, updateTime=1793094485127, 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=89, endPage=97, ext={EN=ArticleExt(id=1321897338524778609, articleId=1321897338348617840, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Study on the Rheological Evolution of Backfill Slurry Under Time-Varying Effect of Cement Hydration and Its Application, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To address the time-varying problem of rheological parameters caused by cementitious material hydration during long-distance transportation of mine backfill slurry, rheological tests of backfill slurry were conducted at a constant temperature of 25 ℃, and the abrupt change law of the yield stress of cement-based backfill slurry at key nodes was revealed. A modified Darcy-Weisbach equation was derived, and an innovative design method for backfill pipelines based on time-varying rheology and sectional resistance was proposed, which was then validated through a 5 km backfill pipeline engineering case. The results are concluded as follows. Firstly, the higher the cement-sand ratio is, the earlier the abrupt change node appears, and the initial yield stress of backfill slurry with a high cement-sand ratio is higher than that with a low cement-sand ratio. Secondly, as the hydration time extends, excessive hydration products cause particle agglomeration and densification of the microstructure, leading to an increase in the plastic viscosity of the slurry and a significant increase in pipeline friction resistance. The greater the cementitious material content, the more obvious the change. Thirdly, compared with the conservative scheme, the time-varying sectional design scheme improves the safety margin of the backfill pipeline by 28.5%, and reduces the pipeline cost and annual energy consumption cost by 22.6% and 26.1%, respectively. The research results can provide a theoretical basis for the construction of mine backfill systems.

, authors=Ke Jiang^{1, 2}, Maobin Ding³, Donghua Wang⁴, Shujian Li⁵, Wenbo Li^{1, 2}, Liang Peng^{1, 2}, Jie Fan^{1, 2}, Wei Liu^{1, 2}, authorsList=Ke Jiang, Maobin Ding, Donghua Wang, Shujian Li, Wenbo Li, Liang Peng, Jie Fan, Wei Liu, authorCompany=null, correspAuthors=Wenbo Li, 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=1321897338793214066, articleId=1321897338348617840, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=水泥水化时变效应充填料浆流变演化规律及应用研究, columnId=1226462294490657775, journalTitle=矿业研究与开发, columnName=采矿与矿山充填, runingTitle=null, highlight=null, articleAbstract=

针对矿山充填料浆长距离输送过程中胶凝材料水化引发的流变参数时变问题，开展25 ℃恒温条件下的充填料浆流变试验，揭示水泥基充填料浆屈服应力在关键节点的突变规律。推导了修正达西-魏思巴赫公式，创新性地提出“时变流变-分段阻力”充填管道设计方法，并依托 5 km充填管道工程案例开展验证。结果表明：灰砂比越大，突变节点出现时间越早，高灰砂比充填料浆比低灰砂比充填料浆的初始屈服应力高；随着水化时间延长，生成过量的水化产物会引发颗粒团聚与微观结构密实化，导致料浆塑性黏度增大，并显著增大管道摩擦阻力，胶凝材料掺量越大，变化越明显；相较于保守方案，时变分段设计方案充填管道的安全裕度提高28.5%，充填管道成本和年能耗成本分别降低22.6%和26.1%。研究结果可为矿山充填系统建设提供理论依据。

, authors=江科^{1, 2}, 丁茂斌³, 王东华⁴, 李树建⁵, 李文波^{1, 2}, 彭亮^{1, 2}, 凡杰^{1, 2}, 刘伟^{1, 2}, authorsList=江科, 丁茂斌, 王东华, 李树建, 李文波, 彭亮, 凡杰, 刘伟, authorCompany=null, correspAuthors=李文波, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=BN3zc5HfxDCZaqSIeMzNcw==, magXml=O6eEqrenGHxzzAGbMbXf4A==, pdfUrl=null, pdf=ueuHD7jnwXmZzfuHH1bG3A==, pdfFileSize=2107937, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=ji8k5HXCPFITJDYt8YpN8g==, mapNumber=null, fund=null)}, authors=[Author(id=1321897341108469891, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321897338348617840, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=Jiangk92@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1321897341242687622, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321897338348617840, authorId=1321897341108469891, language=EN, stringName=Ke Jiang, firstName=Ke, middleName=null, lastName=Jiang, 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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江科（1992—），男，湖北天门人，硕士，高级工程师，主要从事矿山绿色开采及安全相关的研究工作。E-mail:Jiangk92@163.com

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江科（1992—），男，湖北天门人，硕士，高级工程师，主要从事矿山绿色开采及安全相关的研究工作。E-mail:Jiangk92@163.com

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