Article(id=1322904481339416589, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322844250153275555, 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=1718294400000, receivedDateStr=2024-06-14, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793334606728, onlineDateStr=2026-10-30, pubDate=1748102400000, pubDateStr=2025-05-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793334606728, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793334606728, creator=13701087609, updateTime=1793334606728, updator=13701087609, issue=Issue{id=1322844250153275555, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='5', pageStart='1', pageEnd='288', issueExtLink='null', onlineDate='null', pubDate='1748102400000', pubDateStr='2025-05-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793320246494, creator='13701087609', updateTime=1793320246494, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=17, endPage=26, ext={EN=ArticleExt(id=1322904483499483150, articleId=1322904481339416589, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Optimization and Application of Vertical Isolation Columns in the Deep Mining of Gently Inclined Thick Ore Bodies, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To investigate the effect of vertical isolation columns on the stability of surrounding rock during the deep mining of gently inclined thick ore bodies, a numerical simulation method was used to compare and analyze the settlement, stress, and plastic zone changes of surrounding rocks under four different schemes for a deep mining project of an iron mine in Shandong. The optimization ratio of vertical isolation columns per unit volume was proposed, and the scheme was optimized on this basis. The results indicate that the volume and position of vertical isolation columns in the deep mining process of gently inclined thick ore bodies have a decisive impact on their optimization effect. The optimal scheme is to leave a vertical isolation column with a width of 20 m and a thickness of 41 m on the 8# vertical survey line where the settlement peak is generated (Scheme 4), which generates the maximum unit volume optimization ratio of settlement peak, stress peak, and plastic zone. Compared to Scheme 2, Scheme 4 can ensure the stability of the surrounding rocks more effectively. Compared to Scheme 3, Scheme 4 can extract an additional 461 700 tons of iron ore and 272 403 tons of refined iron ore powder, increasing the net profit of the enterprise by about 54.48 million yuan and increasing the net profit income by about 11.20%. The research results can provide some reference for the optimization and application of vertical isolation column retention schemes in similar mines.
, authors=Guolu WANG
1, Zening SUN
2, Jing ZHANG
3, Yong ZHANG
4, Huaijia WANG
4, Yu CONG
1, Yanjun WANG
5, Xiaoming LIANG
5, authorsList=Guolu WANG, Zening SUN, Jing ZHANG, Yong ZHANG, Huaijia WANG, Yu CONG, Yanjun WANG, Xiaoming LIANG, authorCompany=null, correspAuthors=Zening SUN, 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=1322904494803132466, articleId=1322904481339416589, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=缓倾厚大矿体深部开采垂直隔离间柱优化与应用, columnId=1226462294582936453, journalTitle=矿业研究与开发, columnName=深部、深海矿产资源勘探与开发, runingTitle=null, highlight=null, articleAbstract=
为探究垂直隔离间柱对缓倾厚大矿体深部开采过程中围岩稳定性的影响,针对山东某铁矿深部开采工程,采用数值模拟的方法对比分析了4组方案下围岩沉降、应力及塑性区变化,提出垂直隔离间柱单位体积优化比率,并据此对方案进行优选。结果表明:缓倾厚大矿体深部开采过程中垂直隔离间柱的留设体积和留设位置对其优化效果起着决定性影响;在产生沉降峰值的8#垂勘线留设宽度为20 m、厚度为41 m的垂直隔离间柱(方案4)产生的沉降峰值、应力峰值和塑性区单位体积优化比率最大,为最优方案;方案4较方案2可更有效地保障围岩的稳定性,较方案3可多开采出461 700 t铁矿石,多提取出272 403 t的铁矿石精粉,为企业增加约纯利润约5 448 万元,提高约11.20%的纯利润收入。研究结果可为同类型矿山的垂直隔离间柱留设方案优化与应用提供一定借鉴。
, authors=王国禄
1, 孙泽宁
2, 张静
3, 张勇
4, 王怀佳
4, 丛宇
1, 王艳军
5, 梁小明
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1.School of Civil Engineering, Qingdao University of Technology, Qingdao, Shandong 266520, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322904498083078214, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, authorId=1322904497651064899, language=CN, stringName=王国禄, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.青岛理工大学 土木工程学院,山东 青岛市 266520, bio={"content":"
王国禄(1999—),男,山东滨州人,硕士研究生,主要研究金属矿山采矿方法优化及围岩稳定性分析。E-mail:wgljiayou2022@163.com
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王国禄(1999—),男,山东滨州人,硕士研究生,主要研究金属矿山采矿方法优化及围岩稳定性分析。E-mail:wgljiayou2022@163.com
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2.School of Science, Qingdao University of Technology, Qingdao, Shandong 266520, China), AuthorCompanyExt(id=1322904496833175608, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, companyId=1322904496816398390, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.青岛理工大学理学院,山东 青岛市 266520)])]), Author(id=1322904499010019405, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322904499345563727, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, authorId=1322904499010019405, language=EN, stringName=Jing ZHANG, firstName=Jing, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3.Shandong North Chuangxin Waterproof Technology Group Co., Ltd., Binzhou, Shandong 251900, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322904499425255504, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, authorId=1322904499010019405, language=CN, stringName=张静, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3.山东北方创信防水科技集团股份有限公司,山东 滨州市 251900, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322904496917061689, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, xref=3., ext=[AuthorCompanyExt(id=1322904496929644602, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, companyId=1322904496917061689, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.Shandong North Chuangxin Waterproof Technology Group Co., Ltd., Binzhou, Shandong 251900, China), AuthorCompanyExt(id=1322904496942227515, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, companyId=1322904496917061689, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.山东北方创信防水科技集团股份有限公司,山东 滨州市 251900)])]), Author(id=1322904499735634002, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322904501157503060, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, authorId=1322904499735634002, language=EN, stringName=Yong ZHANG, firstName=Yong, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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4.Laiwu Iron & Steel Group Laiwu Mining Co., Ltd., Jinan, Shandong 250013, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322904501430132821, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, authorId=1322904499735634002, language=CN, stringName=张勇, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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4.莱芜钢铁集团莱芜矿业有限公司,山东 济南 250013, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322904497231634492, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, xref=4., ext=[AuthorCompanyExt(id=1322904497244217405, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, companyId=1322904497231634492, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.Laiwu Iron & Steel Group Laiwu Mining Co., Ltd., Jinan, Shandong 250013, China), AuthorCompanyExt(id=1322904497256800318, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, companyId=1322904497231634492, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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4.Laiwu Iron & Steel Group Laiwu Mining Co., Ltd., Jinan, Shandong 250013, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322904501715345500, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, authorId=1322904501526601815, language=CN, stringName=王怀佳, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.School of Civil Engineering, Qingdao University of Technology, Qingdao, Shandong 266520, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322904502268993633, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, authorId=1322904501908283486, language=CN, stringName=丛宇, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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5.Beijing Urban Construction North Group Co., Ltd., Beijing 101301, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322904503099465832, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, authorId=1322904502357074021, language=CN, stringName=王艳军, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2007(5):922-928., articleTitle=Study on mechanical response of highly-stressed pillars in deep mining under dynamic disturbance, refAbstract=null)], funds=[Fund(id=1322904534980370604, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, awardId=52179104; 42272334; 42207201, language=CN, fundingSource=国家自然科学基金项目(52179104; 42272334; 42207201), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1322904496006897715, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, xref=1., ext=[AuthorCompanyExt(id=1322904496015286324, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, companyId=1322904496006897715, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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5.Beijing Urban Construction North Group Co., Ltd., Beijing 101301, China), AuthorCompanyExt(id=1322904497353269313, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, companyId=1322904497332297791, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
5.北京城建北方集团有限公司,北京 101301)])], figs=[ArticleFig(id=1322904510686961786, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Fig.1, caption=
Overall calculation model (perspective view), figureFileSmall=EKCL3pu3rcBgJYCe4t88xA==, figureFileBig=HkpPcGrY3L7HHNHGvApbcw==, tableContent=null), ArticleFig(id=1322904512633118843, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=图1, caption=
整体计算模型(透视图), figureFileSmall=EKCL3pu3rcBgJYCe4t88xA==, figureFileBig=HkpPcGrY3L7HHNHGvApbcw==, tableContent=null), ArticleFig(id=1322904514491195516, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Fig.2, caption=
Geological and mechanical model of deep artificial columns, figureFileSmall=hp91zpzv91Kq2IOaP7RUZQ==, figureFileBig=Pd7N9/8XcP04yfAwRhmmlw==, tableContent=null), ArticleFig(id=1322904514851905661, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=图2, caption=
深部垂直隔离间柱地质和力学模型, figureFileSmall=hp91zpzv91Kq2IOaP7RUZQ==, figureFileBig=Pd7N9/8XcP04yfAwRhmmlw==, tableContent=null), ArticleFig(id=1322904515300696190, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Fig.3, caption=
Column retention of the ore body model in the excavation area of each scheme, figureFileSmall=60YBfR4ngqMMziClNR20Pg==, figureFileBig=WIZ4RvPdOaaJlcq1Qvxptg==, tableContent=null), ArticleFig(id=1322904515720126591, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=图3, caption=
各方案开采区矿体模型间柱留设示意, figureFileSmall=60YBfR4ngqMMziClNR20Pg==, figureFileBig=WIZ4RvPdOaaJlcq1Qvxptg==, tableContent=null), ArticleFig(id=1322904516097613952, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Fig.4, caption=
Model profiles, figureFileSmall=Ti9+HFu1gOL4SJ8nPu3lDQ==, figureFileBig=Rx8U3Y60Ol3KHZUaGC5JqA==, tableContent=null), ArticleFig(id=1322904516533821569, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=图4, caption=
模型分析剖面, figureFileSmall=Ti9+HFu1gOL4SJ8nPu3lDQ==, figureFileBig=Rx8U3Y60Ol3KHZUaGC5JqA==, tableContent=null), ArticleFig(id=1322904516949057666, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Fig.5, caption=
Schematic diagram of the layering of the mine room in the excavation area, figureFileSmall=j4wAAIZI1l8cU4INlXqk9w==, figureFileBig=qS+YyRPzOW/V9HjBzchAhQ==, tableContent=null), ArticleFig(id=1322904517397848195, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=图5, caption=
开采区矿房分层示意注:图中数字代表开挖矿体层数,即数字2代表第二层开挖矿体。
, figureFileSmall=j4wAAIZI1l8cU4INlXqk9w==, figureFileBig=qS+YyRPzOW/V9HjBzchAhQ==, tableContent=null), ArticleFig(id=1322904519037821061, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Fig.6, caption=
Displacement simulation results of profile A, figureFileSmall=PUjh3aLGw1twVXL2pJlLtw==, figureFileBig=HKTfdQ4NMCQUr15DdiHQyw==, tableContent=null), ArticleFig(id=1322904519146872966, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=图6, caption=
A剖面位移模拟结果, figureFileSmall=PUjh3aLGw1twVXL2pJlLtw==, figureFileBig=HKTfdQ4NMCQUr15DdiHQyw==, tableContent=null), ArticleFig(id=1322904519213981831, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Fig.7, caption=
Displacement simulation results of profile B, figureFileSmall=KYk2INP9z2SaN/ZizErMwA==, figureFileBig=rpZzfqhdTW5u/cYr7CZmnQ==, tableContent=null), ArticleFig(id=1322904519457251464, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=图7, caption=
B剖面位移模拟结果, figureFileSmall=KYk2INP9z2SaN/ZizErMwA==, figureFileBig=rpZzfqhdTW5u/cYr7CZmnQ==, tableContent=null), ArticleFig(id=1322904519520166025, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Fig.8, caption=
Comparison of optimization ratios of peak settlement, figureFileSmall=u0aT1Nyzw8jdAsVrUtWk2Q==, figureFileBig=ae9v949dr2fLTYG4VbUpaQ==, tableContent=null), ArticleFig(id=1322904519935402122, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=图8, caption=
沉降峰值优化比例对比, figureFileSmall=u0aT1Nyzw8jdAsVrUtWk2Q==, figureFileBig=ae9v949dr2fLTYG4VbUpaQ==, tableContent=null), ArticleFig(id=1322904520363221131, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Fig.9, caption=
Simulation results of plastic zone in profile A, figureFileSmall=ga8Q4kHykwV5KJLg6ALJtw==, figureFileBig=E+HRcSu+QoCjY37uruu5PQ==, tableContent=null), ArticleFig(id=1322904520715542668, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=图9, caption=
A剖面塑性区模拟结果, figureFileSmall=ga8Q4kHykwV5KJLg6ALJtw==, figureFileBig=E+HRcSu+QoCjY37uruu5PQ==, tableContent=null), ArticleFig(id=1322904520832983181, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Fig.10, caption=
Simulation results of plastic zone in profile B, figureFileSmall=wBcL6rEKUtGiKkqkXl3e7w==, figureFileBig=vanwfKuJkkmwheQkK7mJsQ==, tableContent=null), ArticleFig(id=1322904521139167374, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=图10, caption=
B剖面塑性区模拟结果, figureFileSmall=wBcL6rEKUtGiKkqkXl3e7w==, figureFileBig=vanwfKuJkkmwheQkK7mJsQ==, tableContent=null), ArticleFig(id=1322904521206276239, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Fig.11, caption=
Comparison of optimization ratios in the plastic zone volume, figureFileSmall=mdOncNcy2/FCH52lmN5b3Q==, figureFileBig=eaA4gfMm+84WLJqt0CRiYA==, tableContent=null), ArticleFig(id=1322904521281773712, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=图11, caption=
塑性区体积优化比例对比, figureFileSmall=mdOncNcy2/FCH52lmN5b3Q==, figureFileBig=eaA4gfMm+84WLJqt0CRiYA==, tableContent=null), ArticleFig(id=1322904521634095249, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Fig.12, caption=
Stress simulation results of profile A, figureFileSmall=F0zU40YC6N30+lRSKFZ52Q==, figureFileBig=u691Jb8dhQDDBV8uc6gcUw==, tableContent=null), ArticleFig(id=1322904521973833874, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=图12, caption=
A剖面应力模拟结果, figureFileSmall=F0zU40YC6N30+lRSKFZ52Q==, figureFileBig=u691Jb8dhQDDBV8uc6gcUw==, tableContent=null), ArticleFig(id=1322904523659944083, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Fig.13, caption=
Stress simulation results of profile B, figureFileSmall=21nKewgGacVxhMd83Thjgw==, figureFileBig=cZXHESvPOzUE4uz3ZzDz9A==, tableContent=null), ArticleFig(id=1322904523743830164, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=图13, caption=
B剖面应力模拟结果, figureFileSmall=21nKewgGacVxhMd83Thjgw==, figureFileBig=cZXHESvPOzUE4uz3ZzDz9A==, tableContent=null), ArticleFig(id=1322904524087763093, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Fig.14, caption=
Comparison of optimization rotios of peak stress, figureFileSmall=9BwcEubEvVE8BObPz4GDHA==, figureFileBig=qLZYUnEkQVNrZATw/mzYwg==, tableContent=null), ArticleFig(id=1322904524146483351, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=图14, caption=
应力峰值优化比例对比, figureFileSmall=9BwcEubEvVE8BObPz4GDHA==, figureFileBig=qLZYUnEkQVNrZATw/mzYwg==, tableContent=null), ArticleFig(id=1322904524528165016, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Fig.15, caption=
Schematic diagram of vertical isolation artificial pillar arrangement in deep mining areas, figureFileSmall=B+s+txAc7Bdv9lukd1OTzw==, figureFileBig=gpsTpXwFj2MBVRsPPx1eIA==, tableContent=null), ArticleFig(id=1322904524607856793, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=图15, caption=
矿区深部开采垂直隔离间柱留设示意, figureFileSmall=B+s+txAc7Bdv9lukd1OTzw==, figureFileBig=gpsTpXwFj2MBVRsPPx1eIA==, tableContent=null), ArticleFig(id=1322904524993732762, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Table 1, caption=
Physical-mechanical parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料 | 弹性模量/GPa | 泊松比 | 容重/(kN/m3) | 内摩擦角/(°) | 黏聚力/MPa |
|---|
| 铁矿石 | 9.90 | 0.22 | 35.4 | 27.1 | 0.11 |
| 大理岩 | 13.20 | 0.28 | 25.4 | 42.9 | 0.96 |
| 闪长岩 | 30.00 | 0.19 | 26.1 | 48.0 | 2.10 |
| 矽卡岩 | 2.10 | 0.30 | 26.3 | 33.0 | 1.50 |
| 充填体 | 0.91 | 0.28 | 16.2 | 16.0 | 0.28 |
| 垂直隔离间柱 | 9.90 | 0.22 | 35.4 | 27.1 | 0.11 |
), ArticleFig(id=1322904525354442907, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=表1, caption=
物理力学参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料 | 弹性模量/GPa | 泊松比 | 容重/(kN/m3) | 内摩擦角/(°) | 黏聚力/MPa |
|---|
| 铁矿石 | 9.90 | 0.22 | 35.4 | 27.1 | 0.11 |
| 大理岩 | 13.20 | 0.28 | 25.4 | 42.9 | 0.96 |
| 闪长岩 | 30.00 | 0.19 | 26.1 | 48.0 | 2.10 |
| 矽卡岩 | 2.10 | 0.30 | 26.3 | 33.0 | 1.50 |
| 充填体 | 0.91 | 0.28 | 16.2 | 16.0 | 0.28 |
| 垂直隔离间柱 | 9.90 | 0.22 | 35.4 | 27.1 | 0.11 |
), ArticleFig(id=1322904525740318876, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Table 2, caption=
Vertical separation column retention program
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| 间柱方案 | 间柱位置 | 间柱宽度/m | 间柱高度 | 间柱体积/m3 |
|---|
| 方案1 | — | — | — | — |
| 方案2 | 5#垂勘线 | 15 | –159~–200 m水平 (共41 m) | 116 550 |
| 10#垂勘线 | 10 |
| 方案3 | 5#垂勘线 | 15 | –159~–200 m水平 (共41 m) | 209 025 |
| 8#垂勘线 | 15 |
| 10#垂勘线 | 10 |
| 方案4 | 8#垂勘线 | 20 | –159~–200 m水平 (共41 m) | 116 550 |
), ArticleFig(id=1322904526193303709, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=表2, caption=
垂直隔离间柱留设方案
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| 间柱方案 | 间柱位置 | 间柱宽度/m | 间柱高度 | 间柱体积/m3 |
|---|
| 方案1 | — | — | — | — |
| 方案2 | 5#垂勘线 | 15 | –159~–200 m水平 (共41 m) | 116 550 |
| 10#垂勘线 | 10 |
| 方案3 | 5#垂勘线 | 15 | –159~–200 m水平 (共41 m) | 209 025 |
| 8#垂勘线 | 15 |
| 10#垂勘线 | 10 |
| 方案4 | 8#垂勘线 | 20 | –159~–200 m水平 (共41 m) | 116 550 |
), ArticleFig(id=1322904526616928414, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Table 3, caption=
Excavation and filling sequence for every other mining
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| 步骤 | 开挖充填顺序 |
|---|
| 1 | 开挖第1层第1步矿房 |
| 2 | 回填第1层第1步矿房,开挖第1层第2步矿房 |
| 3 | 回填第1层第2步矿房,开挖第2层第1步矿房 |
| 4 | 回填第2层第1步矿房,开挖第2层第2步矿房 |
| ⋯⋯ |
| 17 | 回填第8层第2步矿房,开挖第9层第1步矿房 |
| 18 | 回填第9层第1步矿房,开挖第9层第2步矿房 |
| 19 | 回填第9层第2步矿房 |
), ArticleFig(id=1322904528277872799, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=表3, caption=
“隔一采一”开挖充填顺序
, figureFileSmall=null, figureFileBig=null, tableContent=
| 步骤 | 开挖充填顺序 |
|---|
| 1 | 开挖第1层第1步矿房 |
| 2 | 回填第1层第1步矿房,开挖第1层第2步矿房 |
| 3 | 回填第1层第2步矿房,开挖第2层第1步矿房 |
| 4 | 回填第2层第1步矿房,开挖第2层第2步矿房 |
| ⋯⋯ |
| 17 | 回填第8层第2步矿房,开挖第9层第1步矿房 |
| 18 | 回填第9层第1步矿房,开挖第9层第2步矿房 |
| 19 | 回填第9层第2步矿房 |
), ArticleFig(id=1322904528705691808, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Table 4, caption=
Optimization ratio of per unit volume of peak settlement to scheme 1
, figureFileSmall=null, figureFileBig=null, tableContent=
| 分析剖面 | 方案2 | 方案3 | 方案4 |
|---|
| A剖面 | 11.35 | 11.67 | 15.33 |
| B剖面 | 9.59 | 17.85 | 22.30 |
), ArticleFig(id=1322904529150288033, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=表4, caption=
沉降峰值较方案 1 的单位体积优化比率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 分析剖面 | 方案2 | 方案3 | 方案4 |
|---|
| A剖面 | 11.35 | 11.67 | 15.33 |
| B剖面 | 9.59 | 17.85 | 22.30 |
), ArticleFig(id=1322904529557135522, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Table 5, caption=
Plastic zone volume for each scheme and optimization ratio to scheme 1
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| 方案 | 塑性区体积/m3 | 较方案1优化比例/% |
|---|
| 方案1 | 6 126 620 | — |
| 方案2 | 4 517 300 | 26.27 |
| 方案3 | 4 000 990 | 34.69 |
| 方案4 | 4 304 593 | 29.74 |
), ArticleFig(id=1322904530416967843, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=表5, caption=
各方案塑性区体积及较方案 1优化比例
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 塑性区体积/m3 | 较方案1优化比例/% |
|---|
| 方案1 | 6 126 620 | — |
| 方案2 | 4 517 300 | 26.27 |
| 方案3 | 4 000 990 | 34.69 |
| 方案4 | 4 304 593 | 29.74 |
), ArticleFig(id=1322904530500853924, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Table 6, caption=
Optimization ratio of per unit volume of plastic zone to scheme 1
, figureFileSmall=null, figureFileBig=null, tableContent=
), ArticleFig(id=1322904530786066597, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=表6, caption=
塑性区较方案 1 的单位体积优化比率
, figureFileSmall=null, figureFileBig=null, tableContent=
), ArticleFig(id=1322904532476371111, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Table 7, caption=
Optimized ratio of per unit volume of peak stress to scheme 1
, figureFileSmall=null, figureFileBig=null, tableContent=
| 分析剖面 | 方案2 | 方案3 | 方案4 |
|---|
| A剖面 | 7.14×10–3 | 9.85×10–3 | 1.17×10–2 |
| B剖面 | 7.96×10–5 | 3.82×10–3 | 2.46×10–2 |
), ArticleFig(id=1322904532577034408, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=表7, caption=
应力峰值较方案 1 的单位体积优化比率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 分析剖面 | 方案2 | 方案3 | 方案4 |
|---|
| A剖面 | 7.14×10–3 | 9.85×10–3 | 1.17×10–2 |
| B剖面 | 7.96×10–5 | 3.82×10–3 | 2.46×10–2 |
), ArticleFig(id=1322904533302649001, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=EN, label=Table 8, caption=
Technical and economic indicators for each program
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| 间柱方案 | 铁矿石总蕴藏量/t | 可采出矿石量/t | 回采率/% | 铁矿石精粉产量/t | 铁矿粉提取率/% |
|---|
| 方案1 | 5 217 480 | — | — | — | — |
| 方案2 | 5 217 480 | 4 585 680 | 87.89 | 2 705 551.2 | 59.00 |
| 方案3 | 5 217 480 | 4 123 980 | 79.04 | 2 433 148.2 | 59.00 |
| 方案4 | 5 217 480 | 4 585 680 | 87.89 | 2 705 551.2 | 59.00 |
), ArticleFig(id=1322904534128926890, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904481339416589, language=CN, label=表8, caption=
各方案技术经济指标
, figureFileSmall=null, figureFileBig=null, tableContent=
| 间柱方案 | 铁矿石总蕴藏量/t | 可采出矿石量/t | 回采率/% | 铁矿石精粉产量/t | 铁矿粉提取率/% |
|---|
| 方案1 | 5 217 480 | — | — | — | — |
| 方案2 | 5 217 480 | 4 585 680 | 87.89 | 2 705 551.2 | 59.00 |
| 方案3 | 5 217 480 | 4 123 980 | 79.04 | 2 433 148.2 | 59.00 |
| 方案4 | 5 217 480 | 4 585 680 | 87.89 | 2 705 551.2 | 59.00 |
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