Article(id=1241081041440526343, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1241081025531540408, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2024.04.029, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1708790400000, receivedDateStr=2024-02-25, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773826378449, onlineDateStr=2026-03-18, pubDate=1722441600000, pubDateStr=2024-08-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773826378449, onlineIssueDateStr=2026-03-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773826378449, creator=13701087609, updateTime=1773826378449, updator=13701087609, issue=Issue{id=1241081025531540408, tenantId=1146029695717560320, journalId=1235980550691926019, year='2024', volume='44', issue='4', pageStart='1', pageEnd='258', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773826374657, creator=13701087609, updateTime=1773827517159, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241085817590960730, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1241081025531540408, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241085817590960731, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1241081025531540408, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=155, endPage=158, ext={EN=ArticleExt(id=1241081041897705525, articleId=1241081041440526343, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Optimization of Barrier Pillar Thickness in Stope Mining Based on Zone Safety, columnId=1236276106018484431, journalTitle=Mining and Metallurgical Engineering, columnName=MINING, runingTitle=null, highlight=null, articleAbstract=
In order to explore influence of the thickness of barrier pillars reserved in stopes on mining operation during the transition from mining with caving to mining with backfilling in a copper-zinc mine in northwest China, six thickness schemes were selected for the barrier pillars in the stope based on the mining status and the engineering geological conditions. Then, a three-dimensional numerical model was constructed with 3Dmine-Rhinoceros, and factor of safety and zone safety were adopted in the analysis. As for the mind-out area without backfilling in the middle section of upper part, three continuous stope interval mining on the level of 210 m was calculated based on simulation with FLAC3D, and the changes in roof settlement deformation, factor of safety and zone safety were also analyzed for the barrier pillars left with different thickness after mining. It is found that with the barrier pillars of 12 m in thickness, the stability of stope can be ensured during transition of mining. Thus, it is recommended that the thickness of reserved barrier pillars be no less than 12 m.
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为了研究西北某铜锌矿开采由崩落法向充填法过渡时采场预留隔离矿柱厚度对开采作业的影响,根据矿区开采现状以及工程地质条件,设计6种隔离矿柱厚度方案,通过3Dmine-Rhinoceros建立三维数值模型,并引入安全系数概念与单元安全度理论,运用FLAC3D对上部中段采空区未充填条件下210 m中段3个连续矿房间隔开采过程进行模拟计算,研究分析了不同方案下矿山开采后隔离矿柱的顶板沉降位移、安全系数以及单元安全度变化。结果表明,当隔离矿柱厚度大于12 m时,能够满足过渡阶段采场留设层的稳定性要求。因此,建议留设厚度不小于12 m的隔离矿柱。
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, authorsList=苏成哲, 纪帅杰, 张殿明)}, authors=[Author(id=1241081049107714593, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041440526343, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=984872179@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241081049288069691, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041440526343, authorId=1241081049107714593, language=EN, stringName=Chengzhe SU, firstName=Chengzhe, middleName=null, lastName=SU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.Lanzhou Engineering & Research Institute of Nonferrous Metallurgy Co., Ltd., Lanzhou 730000, Gansu, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241081049426481739, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041440526343, authorId=1241081049107714593, language=CN, stringName=苏成哲, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.兰州有色冶金设计研究院有限公司,甘肃 兰州 730000, bio={"content":"
苏成哲(1985—),男,江西萍乡人,硕士,高级工程师,主要从事矿山采掘和通风的设计与研究工作。E-mail:984872179@qq.com
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苏成哲(1985—),男,江西萍乡人,硕士,高级工程师,主要从事矿山采掘和通风的设计与研究工作。E-mail:984872179@qq.com
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2.School of Civil and Hydraulic Engineering, Hefei University of Technology, Hefei 230009, Anhui, China
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2.合肥工业大学 土木与水利工程学院,安徽 合肥 230009
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4.新疆西拓矿业有限公司,新疆 哈密 839000)])])], keywords=[Keyword(id=1241081050353423017, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041440526343, language=EN, orderNo=1, keyword=barrier pillar), Keyword(id=1241081050454086322, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041440526343, language=EN, orderNo=2, keyword=factor of safety), Keyword(id=1241081050567332538, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041440526343, language=EN, orderNo=3, keyword=zone safety), Keyword(id=1241081050693161669, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041440526343, language=EN, orderNo=4, keyword=settlement deformation), Keyword(id=1241081050865128149, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041440526343, language=EN, orderNo=5, keyword=thickness optimization), Keyword(id=1241081050974180060, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041440526343, language=CN, orderNo=1, keyword=隔离矿柱), Keyword(id=1241081051100009191, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041440526343, language=CN, orderNo=2, keyword=安全系数), Keyword(id=1241081051196478193, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041440526343, language=CN, orderNo=3, keyword=单元安全度), Keyword(id=1241081052727399164, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041440526343, language=CN, orderNo=4, keyword=沉降位移), Keyword(id=1241081052828062472, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041440526343, language=CN, orderNo=5, keyword=厚度优化)], refs=[Reference(id=1241081055420142503, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041440526343, doi=null, pmid=null, pmcid=null, year=2005, volume=24, issue=2, pageStart=278, pageEnd=283, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=李元辉, 南世卿, 赵兴东, journalName=岩石力学与工程学报, refType=null, unstructuredReference=李元辉, 南世卿, 赵兴东, 等. 露天转地下开采境界矿柱的稳定性分析[J].
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48(3): 484-494., articleTitle=基于中厚板理论的深部崩落转充填隔离矿柱稳定性分析, refAbstract=null)], funds=[Fund(id=1241081055290119072, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041440526343, awardId=SKLMRDPC22KF02, language=CN, fundingSource=深部煤矿采动响应与灾害防控国家重点实验室开放基金项目(SKLMRDPC22KF02), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1241081048382099938, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041440526343, xref=1., ext=[AuthorCompanyExt(id=1241081048390488548, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041440526343, companyId=1241081048382099938, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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| 矿岩名称 | 密度/(kg·m-3) | 抗拉强度/MPa | 弹性模量/GPa | 泊松比 | 黏聚力/MPa | 摩擦角/(°) |
|---|
| 围岩 | 2 830 | 1.32 | 20.5 | 0.276 | 1.8 | 29.6 |
| 矿体 | 3 267 | 1.55 | 23.6 | 0.256 | 1.6 | 28.3 |
| 充填体 | 1 890 | 0.30 | 1.5 | 0.260 | 0.7 | 25.0 |
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矿岩基本力学参数
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| 矿岩名称 | 密度/(kg·m-3) | 抗拉强度/MPa | 弹性模量/GPa | 泊松比 | 黏聚力/MPa | 摩擦角/(°) |
|---|
| 围岩 | 2 830 | 1.32 | 20.5 | 0.276 | 1.8 | 29.6 |
| 矿体 | 3 267 | 1.55 | 23.6 | 0.256 | 1.6 | 28.3 |
| 充填体 | 1 890 | 0.30 | 1.5 | 0.260 | 0.7 | 25.0 |
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