Article(id=1314907145573855393, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907112854089785, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2025.06.007, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1748880000000, receivedDateStr=2025-06-03, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791427893297, onlineDateStr=2026-10-08, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791427893297, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791427893297, creator=13701087609, updateTime=1791427893297, updator=13701087609, issue=Issue{id=1314907112854089785, tenantId=1146029695717560320, journalId=1235980550691926019, year='2025', volume='45', issue='6', pageStart='1', pageEnd='228', issueExtLink='null', onlineDate='null', pubDate='1764518400000', pubDateStr='2025-12-01', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1791427885497, creator='13701087609', updateTime=1791430521754, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314918170201252492, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907112854089785, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314918170201252493, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907112854089785, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=39, endPage=46, ext={EN=ArticleExt(id=1314907145896816802, articleId=1314907145573855393, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Investigation on Damage Constitutive Model of Phyllite Under Nonlinear Step Loading, columnId=1236276106018484431, journalTitle=Mining and Metallurgical Engineering, columnName=MINING, runingTitle=null, highlight=null, articleAbstract=

Based on a triaxial creep test of saturated phyllite, a time-dependent variation law of creep characteristics of saturated phyllite under the coupling effect of pore water pressure and unloading stress was investigated. The results show that the creep failure of saturated phyllite is a typical brittle failure, characterized by instantaneous application of a force. An increase in unloading stress and pore water pressure can accelerate the creep failure of saturated phyllite. The Burgers model was improved by adopting a variable of instantaneous failure, and an elasto-plastic damage body was established by introducing a variable of time-dependent damage. With the improved Burgers model in serial connection with the elasto-plastic damage body, a three-dimensional damage constitutive model for rock creep was proposed in consideration of the coupling effect of excavation unloading and pore water pressure. After regression analysis and parameter identification with the Levenberg-Marquardt (L-M) algorithm for the test results, it is found that the theoretical stress-strain curve from the proposed model are in good coincidence (R²>0.9) with the practical ones for decay, steady-state and acceleration phases of saturated phyllite from the experiments, verifying the accuracy of the model. It is concluded that this model can effectively describe the creep behaviour of mine slope mass under the long-term coupling effect of excavation unloading and pore water pressure.

, authors=Shengqian LI¹, Qihang LI², authorsList=Shengqian LI, Qihang LI, authorCompany=null, correspAuthors=Qihang 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=1314907146676957347, articleId=1314907145573855393, tenantId=1146029695717560320, journalId=1235980550691926019, language=CN, title=非线性分级荷载下饱和千枚岩的蠕变损伤本构模型研究, columnId=1236276106219811026, journalTitle=矿冶工程杂志, columnName=采矿, runingTitle=null, highlight=null, articleAbstract=

依据饱和千枚岩三轴分级蠕变试验结果，探讨了孔隙水压力和卸荷应力耦合下，饱和千枚岩蠕变特征随时间的变化规律。结果表明：饱和千枚岩蠕变破坏具有明显的瞬时突变性，为典型的脆性破坏；增大卸荷应力与孔隙水压力会加快饱和千枚岩的蠕变破坏。采用瞬时损伤变量改进Burgers模型，引入时效损伤变量建立损伤弹塑性体，将改进的Burgers模型与损伤弹塑性体串联，提出了一种考虑开挖卸荷与孔隙水压力耦合影响的岩石蠕变三维损伤本构模型。通过L-M最小二乘优化算法对试验结果进行回归分析和参数辨识，发现该模型的理论曲线与饱和千枚岩的衰减、稳态和加速阶段试验曲线十分吻合（R²>0.9），验证了所提出模型的准确性，该模型可有效描述矿山边坡岩体在开挖卸荷和孔隙水压力长期耦合下的蠕变行为。

, authors=李胜前¹, 李启航², authorsList=李胜前, 李启航, authorCompany=null, correspAuthors=李启航, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=e/Z41FviM37mYdmHtir4NQ==, magXml=1M/HnEV9qto7R1NNSmitfg==, pdfUrl=null, pdf=5AgpFBnek4KtUYZd8ahxxA==, pdfFileSize=1162749, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=5kH17nIlkOAt0oHWokWwuQ==, mapNumber=null, fund=null)}, authors=[Author(id=1314907148694417579, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314907145573855393, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=274042438@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1314907148807663790, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314907145573855393, authorId=1314907148694417579, language=EN, stringName=Shengqian LI, firstName=Shengqian, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.Guangxi Industrial Design Group Co., Ltd., Nanning 530022, Guangxi, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1314907149122236591, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314907145573855393, authorId=1314907148694417579, language=CN, stringName=李胜前, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1．广西工业设计集团有限公司，广西 南宁 530022, bio={"content":"

李胜前（1982—），男，河北昌黎人，高级工程师，主要从事矿山设计研究和安全评价研究。E-mail: 274042438@qq.com

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李胜前（1982—），男，河北昌黎人，高级工程师，主要从事矿山设计研究和安全评价研究。E-mail: 274042438@qq.com

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