Article(id=1322164705880293931, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322164546295410919, 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=1732550400000, receivedDateStr=2024-11-26, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793158230513, onlineDateStr=2026-10-28, pubDate=1764000000000, pubDateStr=2025-11-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793158230513, onlineIssueDateStr=2026-10-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793158230513, creator=13701087609, updateTime=1793158230513, updator=13701087609, issue=Issue{id=1322164546295410919, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='11', pageStart='1', pageEnd='284', issueExtLink='null', onlineDate='null', pubDate='1764000000000', pubDateStr='2025-11-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793158192465, creator='13701087609', updateTime=1793158905697, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322167537857573862, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322164546295410919, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322167537861768167, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322164546295410919, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=52, endPage=61, ext={EN=ArticleExt(id=1322164706056454700, articleId=1322164705880293931, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Study on the Safe Thickness of Combined Isolation Pillars in Transition Areas of Different Mining Processes, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=
The form and thickness of isolation pillars in transition areas are crucial to the safety and efficiency of mine production during the transition from caving mining to filling mining. Taking the mine production of a gold mine in the transition stage from caving mining to filling mining as the background, a scheme of combined setting of pot-bottom isolated pillar and horizontal isolated pillar was proposed, and the safe thickness and stability of the combined isolation pillar were analyzed by theoretical calculation and FLAC3D numerical simulation. The results show that the theoretical thickness of the horizontal isolation pillar at the bottom of the combined isolation pillar is 30 m, while the thickness of the pot-bottom isolation pillar is 15 m. Through the calculation of the maximum unbalanced force and excavation convergence balance cost, it is found that the ground pressure activity during the transition from caving mining to filling mining is generally stable. The isolation pillar does not exceed the tensile stress limit during the mining process, and there is no phenomenon of plastic failure penetration. It shows that the isolation pillar has good self-bearing capacity, which ensures the safety of synchronous mining of caving mining to filling mining. The application of the filling method significantly slows down the settlement rate of the ore body and enhances the stope stability. However, it is necessary to be alert to the local plastic failure of the filling body in the side of the stope and the potential landslide risk in the upper part.
, authors=Caiyan LUO
1, Qingsong ZHANG
2, 3, Yuding WANG
2, 3, Yongchao GONG
2, 3, Xudong TU
1, Jianchao LIU
1, Lei LI
1, Haoji MA
1, authorsList=Caiyan LUO, Qingsong ZHANG, Yuding WANG, Yongchao GONG, Xudong TU, Jianchao LIU, Lei LI, Haoji MA, authorCompany=null, correspAuthors=Qingsong ZHANG, 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=1322164711278363233, articleId=1322164705880293931, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=不同采矿工艺过渡区域组合型隔离矿柱的安全厚度研究, columnId=1226462294490657775, journalTitle=矿业研究与开发, columnName=采矿与矿山充填, runingTitle=null, highlight=null, articleAbstract=
在由崩落采矿法开采转为充填采矿法开采时,过渡区隔离矿柱的形式与厚度对于矿山生产的安全和效率至关重要。以某金矿崩落法转充填法过渡阶段的矿山生产为背景,提出了一种锅底形隔离矿柱与水平隔离矿柱组合留设的方案,结合理论计算与FLAC3D数值模拟,分析了组合型隔离矿柱的安全厚度及其稳定性。研究结果表明,组合型隔离矿柱的下部水平隔离矿柱的理论厚度为30 m,而锅底形隔离矿柱水平厚度为15 m。依据最大不平衡力极值和开挖收敛平衡的计算耗时,发现在崩落法转充填法开采的过程中,地压活动总体稳定;在开采过程中,隔离矿柱的拉应力没有超过其抗拉强度,未出现塑性破坏贯通的现象,表明隔离矿柱具备良好的自承载能力,确保了崩落法转充填法同步开采的安全性;充填法的应用显著减缓了隔离矿柱的沉降速率,增强了采场的稳定性。但是,需警惕采场侧帮充填体的局部塑性破坏及上部潜在滑坡风险。
, authors=罗才严
1, 张庆嵩
2, 3, 王玉丁
2, 3, 龚永超
2, 3, 涂旭东
1, 刘建超
1, 李雷
1, 马浩吉
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1.Shaanxi Fengxian Sifang Gold Mine Co., Ltd., Baoji, Shaanxi 721799, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322164712318550639, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, authorId=1322164711970423404, language=CN, stringName=罗才严, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.陕西凤县四方金矿有限责任公司,陕西 宝鸡市 721799, bio={"content":"
罗才严(1988—),男,四川广汉人,高级工程师,主要从事采矿技术和管理工作。E-mail:usclcy@163.com
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罗才严(1988—),男,四川广汉人,高级工程师,主要从事采矿技术和管理工作。E-mail:usclcy@163.com
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2.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China
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2.长沙矿山研究院有限责任公司,湖南 长沙 410012
3.国家金属采矿工程技术研究中心,湖南 长沙 410012, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322164711643267685, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, xref=2., ext=[AuthorCompanyExt(id=1322164711664239206, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, companyId=1322164711643267685, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China
3.National Engineering Research Center for Metal Mining, Changsha, Hunan 410012, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322164713102885499, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, authorId=1322164712855421559, language=CN, stringName=王玉丁, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 3, address=
2.长沙矿山研究院有限责任公司,湖南 长沙 410012
3.国家金属采矿工程技术研究中心,湖南 长沙 410012, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322164711643267685, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, xref=2., ext=[AuthorCompanyExt(id=1322164711664239206, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, companyId=1322164711643267685, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China
3.National Engineering Research Center for Metal Mining, Changsha, Hunan 410012, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322164713463595649, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, authorId=1322164713178382973, language=CN, stringName=龚永超, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.长沙矿山研究院有限责任公司,湖南 长沙 410012
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1, address=
1.Shaanxi Fengxian Sifang Gold Mine Co., Ltd., Baoji, Shaanxi 721799, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322164714042409606, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, authorId=1322164713866248835, language=CN, stringName=涂旭东, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.陕西凤县四方金矿有限责任公司,陕西 宝鸡市 721799, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322164711517438562, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, xref=1., ext=[AuthorCompanyExt(id=1322164711530021475, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, companyId=1322164711517438562, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.Shaanxi Fengxian Sifang Gold Mine Co., Ltd., Baoji, Shaanxi 721799, China), AuthorCompanyExt(id=1322164711538410084, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, companyId=1322164711517438562, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.陕西凤县四方金矿有限责任公司,陕西 宝鸡市 721799)]), AuthorCompany(id=1322164711643267685, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, xref=2., ext=[AuthorCompanyExt(id=1322164711664239206, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, companyId=1322164711643267685, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.长沙矿山研究院有限责任公司,湖南 长沙 410012)]), AuthorCompany(id=1322164711819428456, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, xref=3., ext=[AuthorCompanyExt(id=1322164711832011369, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, companyId=1322164711819428456, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.National Engineering Research Center for Metal Mining, Changsha, Hunan 410012, China), AuthorCompanyExt(id=1322164711840399978, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, companyId=1322164711819428456, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.国家金属采矿工程技术研究中心,湖南 长沙 410012)])], figs=[ArticleFig(id=1322164716265390752, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.1, caption=
Current status of surface collapse pits, figureFileSmall=I6FA05bsQVi8I/H69UhB2A==, figureFileBig=gs2SJC4Z6Bf2oSCoT57l5A==, tableContent=null), ArticleFig(id=1322164716336693921, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图1, caption=
地表塌陷坑现状, figureFileSmall=I6FA05bsQVi8I/H69UhB2A==, figureFileBig=gs2SJC4Z6Bf2oSCoT57l5A==, tableContent=null), ArticleFig(id=1322164716504466082, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.2, caption=
Schematic diagrams of isolation pillar layout form, figureFileSmall=Du2uNbhlbdROrnWFofJJ8g==, figureFileBig=ZMNFCQqxAsngsazV+E3v3w==, tableContent=null), ArticleFig(id=1322164716579963555, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图2, caption=
隔离矿柱的布置形式示意, figureFileSmall=Du2uNbhlbdROrnWFofJJ8g==, figureFileBig=ZMNFCQqxAsngsazV+E3v3w==, tableContent=null), ArticleFig(id=1322164716672238244, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.3, caption=
Schematic diagram of combined isolation pillar, figureFileSmall=yPp9SOixzPqaN9F0PMmwEg==, figureFileBig=lgnH6lfKjppEkGkyIm9E1g==, tableContent=null), ArticleFig(id=1322164716739347109, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图3, caption=
组合型隔离矿柱示意, figureFileSmall=yPp9SOixzPqaN9F0PMmwEg==, figureFileBig=lgnH6lfKjppEkGkyIm9E1g==, tableContent=null), ArticleFig(id=1322164716852593318, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.4, caption=
3D numerical model of mine, figureFileSmall=8HFshj0YEV5RW52cuNDT2w==, figureFileBig=Yjb2+TXzsE14N4hh764DYQ==, tableContent=null), ArticleFig(id=1322164716923896487, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图4, caption=
矿山三维数值模型, figureFileSmall=8HFshj0YEV5RW52cuNDT2w==, figureFileBig=Yjb2+TXzsE14N4hh764DYQ==, tableContent=null), ArticleFig(id=1322164717003588264, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.5, caption=
Distribution curve of maximum unbalanced force during the transition from caving method to mining with filling method, figureFileSmall=7qfBBZwJaLw7O0Iq+MGYkg==, figureFileBig=9s5uqGtkqO0nKbweafW4Fw==, tableContent=null), ArticleFig(id=1322164717095862953, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图5, caption=
崩落法转充填法开采过程中最大不平衡力分布曲线, figureFileSmall=7qfBBZwJaLw7O0Iq+MGYkg==, figureFileBig=9s5uqGtkqO0nKbweafW4Fw==, tableContent=null), ArticleFig(id=1322164717192331946, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.6, caption=
The computational time steps required for excavation to convergence equilibrium in the mining area model within 1 to 6 years, figureFileSmall=1vKXyQFJlEG3Gm2tqay6qg==, figureFileBig=cDaFYCq3Sa2WjWw163F5DA==, tableContent=null), ArticleFig(id=1322164717272023723, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图6, caption=
矿区模型1~6年度内从开挖到收敛平衡所耗费计算时间步, figureFileSmall=1vKXyQFJlEG3Gm2tqay6qg==, figureFileBig=cDaFYCq3Sa2WjWw163F5DA==, tableContent=null), ArticleFig(id=1322164717343326892, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.7, caption=
Minimum principal stress distribution of stope and isolation pillar in different years, figureFileSmall=NSIZWOpzSW58qsGK9yX1Lw==, figureFileBig=xN/4KiZFBU/GTmkqDZVbhA==, tableContent=null), ArticleFig(id=1322164717410435757, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图7, caption=
不同年度采场与隔离矿柱最小主应力分布, figureFileSmall=NSIZWOpzSW58qsGK9yX1Lw==, figureFileBig=xN/4KiZFBU/GTmkqDZVbhA==, tableContent=null), ArticleFig(id=1322164717494321838, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.8, caption=
Variation of maximum tensile stress with years, figureFileSmall=VPd0Fa8NWsDkguTr+e7v/A==, figureFileBig=6fugiAneYfnh5mwrRE2mrQ==, tableContent=null), ArticleFig(id=1322164717574013615, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图8, caption=
最大拉应力随年份的变化规律, figureFileSmall=VPd0Fa8NWsDkguTr+e7v/A==, figureFileBig=6fugiAneYfnh5mwrRE2mrQ==, tableContent=null), ArticleFig(id=1322164717641122480, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.9, caption=
Maximum principal stress distribution of stope and isolation pillar in different years, figureFileSmall=N8rpm9lsVV8CKXgtWSk5Sw==, figureFileBig=qR6yfjfyZ1IZG+guB0LzEg==, tableContent=null), ArticleFig(id=1322164717704037041, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图9, caption=
不同年度采场与隔离矿柱最大主应力分布, figureFileSmall=N8rpm9lsVV8CKXgtWSk5Sw==, figureFileBig=qR6yfjfyZ1IZG+guB0LzEg==, tableContent=null), ArticleFig(id=1322164717796311730, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.10, caption=
Variation of maximum compressive stress with years, figureFileSmall=a4B69H5W25qhoFsJx3hz8w==, figureFileBig=jPCw3rF9hKm8rXcBaI2wsQ==, tableContent=null), ArticleFig(id=1322164717871809203, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图10, caption=
最大压应力随年份的变化规律, figureFileSmall=a4B69H5W25qhoFsJx3hz8w==, figureFileBig=jPCw3rF9hKm8rXcBaI2wsQ==, tableContent=null), ArticleFig(id=1322164717993444020, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.11, caption=
Vertical displacement cloud diagrams of stope in different years, figureFileSmall=AYnCdshWyP3F2JUaBPvaMw==, figureFileBig=WWlIba6MIqpDCLltIemRtA==, tableContent=null), ArticleFig(id=1322164718060552885, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图11, caption=
不同年度采场竖直位移云图, figureFileSmall=AYnCdshWyP3F2JUaBPvaMw==, figureFileBig=WWlIba6MIqpDCLltIemRtA==, tableContent=null), ArticleFig(id=1322164718131856054, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.12, caption=
Variation of maximum vertical displacement of stope, figureFileSmall=fBqeopGjITwG7d4GGk7ROQ==, figureFileBig=kqvr35uSAGjuEBS5Ls9Cyg==, tableContent=null), ArticleFig(id=1322164718232519351, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图12, caption=
采场最大竖向位移变化规律, figureFileSmall=fBqeopGjITwG7d4GGk7ROQ==, figureFileBig=kqvr35uSAGjuEBS5Ls9Cyg==, tableContent=null), ArticleFig(id=1322164718312211128, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.13, caption=
Vertical displacement cloud diagrams of isolation pillars in different years, figureFileSmall=PBC2vCJZdeQklvOwshX9Nw==, figureFileBig=QWMfJKp/sSzvyptS4dyv8w==, tableContent=null), ArticleFig(id=1322164718387708601, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图13, caption=
不同年度隔离矿柱竖直位移云图, figureFileSmall=PBC2vCJZdeQklvOwshX9Nw==, figureFileBig=QWMfJKp/sSzvyptS4dyv8w==, tableContent=null), ArticleFig(id=1322164718467400378, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.14, caption=
Variation of maximum vertical displacement of isolation pillar, figureFileSmall=Lp3ehb8vSR9qipdYJm9EYQ==, figureFileBig=Gd1/WPHMfaHYEYKDvLbw8g==, tableContent=null), ArticleFig(id=1322164718530314939, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图14, caption=
隔离矿柱最大竖向位移变化规律, figureFileSmall=Lp3ehb8vSR9qipdYJm9EYQ==, figureFileBig=Gd1/WPHMfaHYEYKDvLbw8g==, tableContent=null), ArticleFig(id=1322164718618395324, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.15, caption=
Vertical surface displacement cloud diagrams of mining areas in different years, figureFileSmall=dvf2QxsrarTMMX1kxQBKJw==, figureFileBig=Rf1XXQsKuYJdEF88PHYv7g==, tableContent=null), ArticleFig(id=1322164718693892797, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图15, caption=
不同年度矿区地表竖直位移云图, figureFileSmall=dvf2QxsrarTMMX1kxQBKJw==, figureFileBig=Rf1XXQsKuYJdEF88PHYv7g==, tableContent=null), ArticleFig(id=1322164718769390270, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.16, caption=
Variation of the maximum vertical displacement of surface in the mining area, figureFileSmall=PjZc+20E4C3jv5nVLaeM8w==, figureFileBig=Nb0ny6fMjm5rnTGKGXwz9Q==, tableContent=null), ArticleFig(id=1322164718849082047, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图16, caption=
矿区地表最大竖向位移变化规律, figureFileSmall=PjZc+20E4C3jv5nVLaeM8w==, figureFileBig=Nb0ny6fMjm5rnTGKGXwz9Q==, tableContent=null), ArticleFig(id=1322164718916190912, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.17, caption=
Plastic zone cloud diagrams of stopes in different years, figureFileSmall=ml9ZCFjMOdD4xxiLghBk4Q==, figureFileBig=mNsICq+OahVcvpHJ9Owxig==, tableContent=null), ArticleFig(id=1322164718983299777, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图17, caption=
不同年度采场塑性区云图, figureFileSmall=ml9ZCFjMOdD4xxiLghBk4Q==, figureFileBig=mNsICq+OahVcvpHJ9Owxig==, tableContent=null), ArticleFig(id=1322164719062991554, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.18, caption=
Plastic zone cloud diagrams of isolation pillars in different years, figureFileSmall=cTaUz5euPcnOifX71f2Avg==, figureFileBig=wb6OAEnW9/iwBDd8b4I8TQ==, tableContent=null), ArticleFig(id=1322164719142683331, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图18, caption=
不同年度隔离矿柱塑性区云图, figureFileSmall=cTaUz5euPcnOifX71f2Avg==, figureFileBig=wb6OAEnW9/iwBDd8b4I8TQ==, tableContent=null), ArticleFig(id=1322164719226569412, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Fig.19, caption=
Surface plastic zone cloud diagrams of mining areas in different years, figureFileSmall=O6odgii3wQHV66g7DiAA8A==, figureFileBig=AyaWa6rkrnwqLl2W8Bv3oA==, tableContent=null), ArticleFig(id=1322164719302066885, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=图19, caption=
不同年度矿区地表塑性区云图, figureFileSmall=O6odgii3wQHV66g7DiAA8A==, figureFileBig=AyaWa6rkrnwqLl2W8Bv3oA==, tableContent=null), ArticleFig(id=1322164719381758662, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Table 1, caption=
Safe thickness of horizontal isolation pillar based on comprehensive calculation method
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 采空区跨度/m | 采空区高度/m | 隔离层厚度理论计算值/m |
|---|
| K.B.鲁别涅依特公式 | 荷载传递交汇线法 | 材料力学法 | 普氏理论法 | 结构力学法 | 均值安全系数1.5 |
|---|
| 1 | 6 | 50 | 3.6 | 10.4 | 9.8 | 21.1 | 4.6 | 16 |
| 2 | 8 | 50 | 5.2 | 13.9 | 13.1 | 22.8 | 6.1 | 20 |
| 3 | 10 | 50 | 7.2 | 17.3 | 16.3 | 22.5 | 7.7 | 23 |
| 4 | 12 | 50 | 9.6 | 20.8 | 19.6 | 23.3 | 9.2 | 26 |
| 5 | 14 | 50 | 12.4 | 24.2 | 22.9 | 24.0 | 10.7 | 30 |
| 6 | 16 | 50 | 15.5 | 27.7 | 26.2 | 24.7 | 12.3 | 34 |
), ArticleFig(id=1322164719482421959, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=表1, caption=
基于综合计算法的水平隔离矿柱安全厚度
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 采空区跨度/m | 采空区高度/m | 隔离层厚度理论计算值/m |
|---|
| K.B.鲁别涅依特公式 | 荷载传递交汇线法 | 材料力学法 | 普氏理论法 | 结构力学法 | 均值安全系数1.5 |
|---|
| 1 | 6 | 50 | 3.6 | 10.4 | 9.8 | 21.1 | 4.6 | 16 |
| 2 | 8 | 50 | 5.2 | 13.9 | 13.1 | 22.8 | 6.1 | 20 |
| 3 | 10 | 50 | 7.2 | 17.3 | 16.3 | 22.5 | 7.7 | 23 |
| 4 | 12 | 50 | 9.6 | 20.8 | 19.6 | 23.3 | 9.2 | 26 |
| 5 | 14 | 50 | 12.4 | 24.2 | 22.9 | 24.0 | 10.7 | 30 |
| 6 | 16 | 50 | 15.5 | 27.7 | 26.2 | 24.7 | 12.3 | 34 |
), ArticleFig(id=1322164719562113736, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=EN, label=Table 2, caption=
Physical and mechanical parameters of materials for the model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料名称 | 容重/(kN/m3) | 弹性模量/GPa | 抗拉强度/MPa | 泊松比 | 黏聚力/MPa | 内摩擦角/(°) |
|---|
| 灰岩 | 28.30 | 35.27 | 4.02 | 0.25 | 7.33 | 40.83 |
| 中心区域矿岩 | 27.90 | 10.13 | 0.60 | 0.18 | 3.75 | 29.24 |
| 中心区域外部矿岩 | 27.90 | 15.25 | 1.60 | 0.18 | 5.33 | 35.85 |
| 风化层 | 27.60 | 5.61 | 0.36 | 0.21 | 2.57 | 25.75 |
| F3断层带 | 27.70 | 1.80 | 0.12 | 0.23 | 1.32 | 19.79 |
| 塌陷区 | 27.80 | 10.85 | 0.01 | 0.22 | 0.02 | 30.76 |
| 充填体 | 20.00 | 0.60 | 0.26 | 0.31 | 0.73 | 27.03 |
), ArticleFig(id=1322164719658582729, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164705880293931, language=CN, label=表2, caption=
模型的材料物理力学参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料名称 | 容重/(kN/m3) | 弹性模量/GPa | 抗拉强度/MPa | 泊松比 | 黏聚力/MPa | 内摩擦角/(°) |
|---|
| 灰岩 | 28.30 | 35.27 | 4.02 | 0.25 | 7.33 | 40.83 |
| 中心区域矿岩 | 27.90 | 10.13 | 0.60 | 0.18 | 3.75 | 29.24 |
| 中心区域外部矿岩 | 27.90 | 15.25 | 1.60 | 0.18 | 5.33 | 35.85 |
| 风化层 | 27.60 | 5.61 | 0.36 | 0.21 | 2.57 | 25.75 |
| F3断层带 | 27.70 | 1.80 | 0.12 | 0.23 | 1.32 | 19.79 |
| 塌陷区 | 27.80 | 10.85 | 0.01 | 0.22 | 0.02 | 30.76 |
| 充填体 | 20.00 | 0.60 | 0.26 | 0.31 | 0.73 | 27.03 |
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