Article(id=1241081041922880183, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1241081025531540408, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2024.04.027, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1710172800000, receivedDateStr=2024-03-12, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773826378564, onlineDateStr=2026-03-18, pubDate=1722441600000, pubDateStr=2024-08-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773826378564, onlineIssueDateStr=2026-03-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773826378564, creator=13701087609, updateTime=1773826378564, 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=144, endPage=149, ext={EN=ArticleExt(id=1241081042245841617, articleId=1241081041922880183, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Optimization of Sequence of Drift Stoping by Cemented Backfilling Under Complex Stress Conditions, columnId=1236276106018484431, journalTitle=Mining and Metallurgical Engineering, columnName=MINING, runingTitle=null, highlight=null, articleAbstract=
For discussing rational sequence of drift stoping by cemented backfilling under complex stress conditions, with No.2 mine of Jinchuan Group as an example, a three-dimensional numerical model was constructed with a numerical simulation software, and was then used to analyze the stress field, displacement field and plastic failure zone in drift stoping with different sequences. On this basis, the drift stoping sequence, after optimization by adopting a combined weighting and fuzzy comprehensive evaluation, was then adopted in an on-site industrial experiment. The results show that both mining sequence by overhand or underhand stoping and drift stoping with different spatial sequence can bring a certain influence to the maximum principal stress, maximum tensile stress, vertical displacement, plastic failure zone, as well as the maximum principal stress and vertical displacement in the next stope nearby; mining sequence of underhand stoping followed by overhand stoping, or firstly drift stoping of vertical ore mass, can make the overall mining with higher safety. The on-site experiment with such mining sequence presents better effect. It is concluded that this research can provide some reference in the design and optimization of mining sequence for drift stoping by cemented backfilling under complex stress conditions.
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针对复杂应力环境下胶结充填采矿法进路开采顺序合理性问题,以金川二矿区为例,借助数值仿真软件构建三维数值模型,对不同进路开采顺序下应力场、位移场及塑性破坏区进行分析;在此基础上,采用组合赋权与模糊综合评价相结合的方法对进路开采顺序优化,并开展现场工业试验。结果表明:不同走向进路开采顺序和进路开采空间顺序均对开采区域最大主应力、最大拉应力、垂直位移、塑性破坏区以及临近下一采场最大主应力、垂直位移有一定程度影响;采用下盘至上盘、先开采垂直矿体走向进路的开采顺序时,采场整体开采安全性高,且现场试验效果良好。研究结果可为复杂应力环境下胶结充填采矿法进路开采顺序设计与优化提供理论依据。
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, authorsList=李彦龙, 余龙哲, 陈仲杰, 郁标, 王文杰)}, authors=[Author(id=1241081053406884134, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041922880183, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=1282327372@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241081053499158828, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041922880183, authorId=1241081053406884134, language=EN, stringName=Yanlong LI, firstName=Yanlong, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.No.2 Mine of Jinchuan Group Co., Ltd., Jinchang 737100, Gansu, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241081053583044914, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041922880183, authorId=1241081053406884134, language=CN, stringName=李彦龙, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.金川集团股份有限公司二矿区,甘肃 金昌 737100, bio={"content":"
李彦龙(1971—),男,甘肃天水人,工程师,主要从事矿山技术和管理等方面工作。E-mail:1282327372@qq.com
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李彦龙(1971—),男,甘肃天水人,工程师,主要从事矿山技术和管理等方面工作。E-mail:1282327372@qq.com
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1.No.2 Mine of Jinchuan Group Co., Ltd., Jinchang 737100, Gansu, China
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1.金川集团股份有限公司二矿区,甘肃 金昌 737100
3.中南大学 资源与安全工程学院,湖南 长沙 410083, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241081053100699919, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041922880183, xref=1., ext=[AuthorCompanyExt(id=1241081053104894224, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041922880183, companyId=1241081053100699919, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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37(12): 73-78., articleTitle=基于模糊评价的某金矿采场结构参数优化研究, refAbstract=null)], funds=[Fund(id=1241081062017790472, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041922880183, awardId=51974206, language=CN, fundingSource=国家自然科学基金(51974206), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1241081053100699919, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041922880183, xref=1., ext=[AuthorCompanyExt(id=1241081053104894224, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041922880183, companyId=1241081053100699919, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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| 方案 | 不同走向进路开采顺序 | 进路开采空间顺序 |
|---|
| 1 | 先开采沿矿体走向进路 | 下盘至上盘开采 |
| 2 | 先开采垂直于矿体走向进路 | 下盘至上盘开采 |
| 3 | 先开采沿矿体走向进路 | 上盘至下盘开采 |
| 4 | 先开采垂直于矿体走向进路 | 上盘至下盘开采 |
), ArticleFig(id=1241081059778032121, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041922880183, language=CN, label=表1, caption=
开采方案
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| 方案 | 不同走向进路开采顺序 | 进路开采空间顺序 |
|---|
| 1 | 先开采沿矿体走向进路 | 下盘至上盘开采 |
| 2 | 先开采垂直于矿体走向进路 | 下盘至上盘开采 |
| 3 | 先开采沿矿体走向进路 | 上盘至下盘开采 |
| 4 | 先开采垂直于矿体走向进路 | 上盘至下盘开采 |
), ArticleFig(id=1241081059857723898, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041922880183, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别 | 弹性模量/GPa | 泊松比 | 黏聚力/MPa | 内摩擦角/(°) | 抗压强度/MPa | 抗拉强度/MPa | 密度/(kg·m-3) |
|---|
| 超基性围岩 | 15.25 | 0.18 | 2.88 | 37.0 | 26.2 | 0.7 | 2 930 |
| 大理岩 | 16.00 | 0.22 | 1.85 | 39.6 | 39.1 | 1.1 | 2 860 |
| 矿体 | 14.25 | 0.30 | 1.80 | 38.4 | 18.2 | 0.7 | 3 052 |
| 充填体 | 7.28 | 0.21 | 0.76 | 36.6 | 6.8 | 0.6 | 1 716 |
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数值模型物理及力学参数
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| 类别 | 弹性模量/GPa | 泊松比 | 黏聚力/MPa | 内摩擦角/(°) | 抗压强度/MPa | 抗拉强度/MPa | 密度/(kg·m-3) |
|---|
| 超基性围岩 | 15.25 | 0.18 | 2.88 | 37.0 | 26.2 | 0.7 | 2 930 |
| 大理岩 | 16.00 | 0.22 | 1.85 | 39.6 | 39.1 | 1.1 | 2 860 |
| 矿体 | 14.25 | 0.30 | 1.80 | 38.4 | 18.2 | 0.7 | 3 052 |
| 充填体 | 7.28 | 0.21 | 0.76 | 36.6 | 6.8 | 0.6 | 1 716 |
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| 方案 | 最大主应力/MPa | 最大拉应力/MPa | 顶板最大位移量/mm | 底板最大位移量/mm | 平均屈服率 | 下一分层最大主应力均值/MPa | 下一分层垂直位移均值/mm |
|---|
| 1 | 42.58 | 0.51 | 106.32 | 32.22 | 1.37 | 27.83 | 28.15 |
| 2 | 35.23 | 0.44 | 98.87 | 28.75 | 1.81 | 25.26 | 23.52 |
| 3 | 45.17 | 0.53 | 115.08 | 36.12 | 1.59 | 26.17 | 26.59 |
| 4 | 37.67 | 0.45 | 104.36 | 30.87 | 1.94 | 24.28 | 22.84 |
), ArticleFig(id=1241081061631914496, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041922880183, language=CN, label=表3, caption=
不同开采方案评价指标
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| 方案 | 最大主应力/MPa | 最大拉应力/MPa | 顶板最大位移量/mm | 底板最大位移量/mm | 平均屈服率 | 下一分层最大主应力均值/MPa | 下一分层垂直位移均值/mm |
|---|
| 1 | 42.58 | 0.51 | 106.32 | 32.22 | 1.37 | 27.83 | 28.15 |
| 2 | 35.23 | 0.44 | 98.87 | 28.75 | 1.81 | 25.26 | 23.52 |
| 3 | 45.17 | 0.53 | 115.08 | 36.12 | 1.59 | 26.17 | 26.59 |
| 4 | 37.67 | 0.45 | 104.36 | 30.87 | 1.94 | 24.28 | 22.84 |
), ArticleFig(id=1241081061757743619, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041922880183, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| C | A | wj1 |
|---|
| B1 0.667 | B2 0.333 |
|---|
| C1 | 0.143 | | 0.095 |
| C2 | 0.143 | | 0.095 |
| C3 | 0.285 | | 0.191 |
| C4 | 0.286 | | 0.191 |
| C5 | 0.143 | | 0.095 |
| C6 | | 0.333 | 0.111 |
| C7 | | 0.667 | 0.222 |
), ArticleFig(id=1241081061870989829, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1241081041922880183, language=CN, label=表4, caption=
各评价指标主观权重
, figureFileSmall=null, figureFileBig=null, tableContent=
| C | A | wj1 |
|---|
| B1 0.667 | B2 0.333 |
|---|
| C1 | 0.143 | | 0.095 |
| C2 | 0.143 | | 0.095 |
| C3 | 0.285 | | 0.191 |
| C4 | 0.286 | | 0.191 |
| C5 | 0.143 | | 0.095 |
| C6 | | 0.333 | 0.111 |
| C7 | | 0.667 | 0.222 |
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