Article(id=1322559891307348354, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559853093048851, 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=1740067200000, receivedDateStr=2025-02-21, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793252450062, onlineDateStr=2026-10-29, pubDate=1771948800000, pubDateStr=2026-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793252450062, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793252450062, creator=13701087609, updateTime=1793252450062, updator=13701087609, issue=Issue{id=1322559853093048851, tenantId=1146029695717560320, journalId=1225396423026438145, year='2026', volume='46', issue='2', pageStart='1', pageEnd='326', issueExtLink='null', onlineDate='null', pubDate='1771948800000', pubDateStr='2026-02-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793252440951, creator='13701087609', updateTime=1793252699964, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322560939526828556, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559853093048851, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322560939526828557, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559853093048851, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=79, endPage=91, ext={EN=ArticleExt(id=1322559891483509123, articleId=1322559891307348354, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Creep Characteristics and Constitutive Model of Composite Filling Structure with Strong-Weak Combination, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The composite filling structure with strong-weak combination formed by the two-step filling mining bears the roof load jointly, and its overall creep characteristics directly affect the long-term stability of the filling stope. Uniaxial step-loading creep tests were carried out to analyze the influence of different combinations of strong and weak media on the creep characteristics of composite filling specimens. On this basis, considering the time-dependent degradation effect of material mechanical properties and the characteristics of the accelerated creep stage, an improved Nishihara model capable of characterizing the creep characteristics of the composite filling structure was established. The study shows that the strong media has a more significant impact on the overall creep characteristics of the composite specimens. As the strength of the strong media increases from 23.60 MPa to 33.80 MPa, the elastic modulus increases from 1.85 GPa to 2.18 GPa, and the axial creep increments under the first three stress levels decrease by 59.72%, 57.35%, and 55.08%, respectively. The instantaneous creep rates decrease by 31.55%, 21.46%, and 23.14%, respectively. The transverse strain difference between the strong-weak media increases from 260 με, 368 με, and 524 με to 685 με, 895 με, and 1 032 με, respectively. The overall creep failure mode of the specimens transforms from shear failure to compressive splitting failure. The improved Nishihara model achieves a fitting accuracy exceeding 0.93 for the experimental data, effectively simulating the entire creep process of the composite filling structure.

, authors=Qihu WANG¹, Zhenfan TU¹, Nan YAO^{1, 2}, Yang LIU^{1, 2}, Weiqi WANG^{1, 2}, authorsList=Qihu WANG, Zhenfan TU, Nan YAO, Yang LIU, Weiqi WANG, authorCompany=null, correspAuthors=null, 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=1322559891676447108, articleId=1322559891307348354, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=强弱组合复合充填结构体蠕变特性及本构模型, columnId=1226462294490657775, journalTitle=矿业研究与开发, columnName=采矿与矿山充填, runingTitle=null, highlight=null, articleAbstract=

两步骤充填开采形成的强弱组合复合充填结构体共同承担顶板荷载，其整体蠕变特性直接影响充填采场的长期稳定性。通过开展单轴分级加载蠕变试验，分析了不同强弱介质组合对复合充填体试样蠕变特性的影响。在此基础上，考虑材料力学性能随时间的劣化效应和加速蠕变阶段特征，建立了能够表征复合充填结构体蠕变特征的改进西原模型。研究结果表明：强介质对复合试样整体蠕变特性的影响更为显著，随着强介质强度从23.60 MPa增加到33.80 MPa，弹性模量从1.85 GPa增加到2.18 GPa，试样在前三级应力水平下的轴向蠕变应变增量分别减小了59.72%、57.35%和55.08%，瞬时蠕变速率分别减小了31.55%、21.46%和23.14%，强弱介质横向应变差由260 με、368 με和524 με增加至685 με、895 με和1 032 με；试样整体蠕变破坏形式由剪切破坏转变为压缩劈裂破坏；改进西原模型对试验数据的拟合精度均高于0.93，能够模拟复合充填结构体蠕变的全过程。

, authors=王其虎¹, 涂镇帆¹, 姚囝^{1, 2}, 刘洋^{1, 2}, 王为琪^{1, 2}, authorsList=王其虎, 涂镇帆, 姚囝, 刘洋, 王为琪, authorCompany=null, correspAuthors=null, authorNote=, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=61oDRESqLkxKzXWzQkPnPQ==, magXml=61gXP7hzwRSmz2dI9rvMqQ==, pdfUrl=null, pdf=kTVKWludPHn+Vfx5lZ01ug==, pdfFileSize=9089329, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=2Jn2mCZTXWenTPPzlEKSiw==, mapNumber=null, fund=null)}, authors=[Author(id=1322559892020380044, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322559891307348354, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=wangqihu@wust.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322559892100071822, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322559891307348354, authorId=1322559892020380044, language=EN, stringName=Qihu WANG, firstName=Qihu, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.School of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, Hubei 430081, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322559892175569295, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322559891307348354, authorId=1322559892020380044, language=CN, stringName=王其虎, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1．武汉科技大学 资源与环境工程学院，湖北 武汉　430081, bio={"content":"

王其虎（1987—），男，湖北武汉人，博士，副教授，主要从事地下矿山高效采矿方法及地压控制研究。E-mail:wangqihu@wust.edu.cn

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王其虎（1987—），男，湖北武汉人，博士，副教授，主要从事地下矿山高效采矿方法及地压控制研究。E-mail:wangqihu@wust.edu.cn

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