Article(id=1322164547436261608, 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=1733328000000, receivedDateStr=2024-12-05, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793158192691, onlineDateStr=2026-10-28, pubDate=1764000000000, pubDateStr=2025-11-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793158192691, onlineIssueDateStr=2026-10-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793158192691, creator=13701087609, updateTime=1793158192691, 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=38, endPage=45, ext={EN=ArticleExt(id=1322164547608228073, articleId=1322164547436261608, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Stability Analysis and Optimization of Structural Parameters of a Broken and Thick Ore Body, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Ensuring the stope stability is the foundation for the efficient and safe extraction of broken and thick ore bodies. Taking the mining of a broken and thick ore body in a certain mine as the engineering background, researches were conducted on optimizing the structural parameters of the stope during the orebody mining process using the downward wall filling mining method. The influences of drift dimensions, drift layout patterns, and filling frequencies on stope stability were analyzed in detail from three perspectives of principal stress, vertical displacement, and plastic zone. The findings indicate that the principal stress in the roof of the excavation zone exhibits an approximately uniform distribution, with the minimum principal stress showing tensile stress in the hanging wall and adjacent areas, while the maximum principal stress remains compressive. The central roof of the stope experiences the greatest settlement, while significant settlement is also observed in the hanging wall area, with no settlement but slight bulging in the footwall. The recommended optimal structural parameters are as follows, drift dimensions of 3.0 m×3.0 m, a vertical cross-shaped layout of drift, and a full-height filling process. Industrial trials demonstrate that this optimized solution can control the loss and dilution rate of the stope to approximately 5%, with mining costs maintained at 150 yuan per ton. The resource recovery efficiency and economic benefits are effectively enhanced, providing reliable technical support for subsequent safe and efficient mining operations in the mine.
, authors=Yuejin PENG
1, 2, Zhicheng OU
3, Yuansheng LIN
1, 2, Ning YANG
1, 2, Renze OU
1, 2, Huilin WANG
3, authorsList=Yuejin PENG, Zhicheng OU, Yuansheng LIN, Ning YANG, Renze OU, Huilin WANG, authorCompany=null, correspAuthors=null, 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=1322164551697674501, articleId=1322164547436261608, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=某破碎厚大矿体稳定性分析及结构参数优化研究, columnId=1226462294490657775, journalTitle=矿业研究与开发, columnName=采矿与矿山充填, runingTitle=null, highlight=null, articleAbstract=
保证采场稳定性是支撑破碎厚大矿体高效安全开采的基础。以某矿破碎厚大矿体开采为工程背景,围绕下向壁式充填采矿法在矿体回采过程中的采场结构参数开展优化研究,从主应力、竖向位移和塑性区3个角度重点分析了进路尺寸、进路布置形式及充填次数对采场稳定性的影响。研究结果表明:开挖区域顶板主应力近似呈均匀分布,最小主应力在上盘及邻近区域表现为拉应力,而最大主应力始终为压应力;采场顶板中央沉降量最大,上盘区域沉降亦较明显,下盘未见沉降,仅出现轻微鼓胀现象。推荐的最优结构参数为:进路尺寸3.0 m × 3.0 m,进路垂直交叉呈“十”字形布置,并采用一次全高充填工艺。工业试验表明,该优化方案可将采场损失贫化率控制在约5%,采矿成本控制在150元/t,有效提升了资源回收效率与经济效益,为矿山后续安全高效开采提供了可靠的技术支撑。
, authors=彭跃金
1, 2, 欧志成
3, 林元生
1, 2, 杨宁
1, 2, 欧任泽
1, 2, 王辉林
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1.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China
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1.长沙矿山研究院有限责任公司,湖南 长沙 410012
2.国家金属采矿工程技术研究中心,湖南 长沙 410012, bio={"content":"
彭跃金(1993—),男,山西怀仁人,硕士,工程师,主要从事采矿技术研究。E-mail:1820943728@qq.com
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彭跃金(1993—),男,山西怀仁人,硕士,工程师,主要从事采矿技术研究。E-mail:1820943728@qq.com
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1.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China
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1.长沙矿山研究院有限责任公司,湖南 长沙 410012
2.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=1322164551945138438, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, xref=1., ext=[AuthorCompanyExt(id=1322164551953527047, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, companyId=1322164551945138438, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China
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1.长沙矿山研究院有限责任公司,湖南 长沙 410012
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1.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China
2.National Engineering Research Center for Metal Mining, Changsha, Hunan 410012, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322164559184507180, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, authorId=1322164558983180584, language=CN, stringName=欧任泽, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.长沙矿山研究院有限责任公司,湖南 长沙 410012)]), AuthorCompany(id=1322164552033218825, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, xref=2., ext=[AuthorCompanyExt(id=1322164552045801738, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, companyId=1322164552033218825, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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29 (10): 1945-1953., articleTitle=Theory and practice of rock mechanics related to exploitation of undersea metal mine, refAbstract=null)], funds=[Fund(id=1322164565140418914, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, awardId=2022YFC2904001, language=CN, fundingSource=“十四五”国家重点研发计划项目(2022YFC2904001), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1322164551945138438, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, xref=1., ext=[AuthorCompanyExt(id=1322164551953527047, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, companyId=1322164551945138438, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.长沙矿山研究院有限责任公司,湖南 长沙 410012)]), AuthorCompany(id=1322164552033218825, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, xref=2., ext=[AuthorCompanyExt(id=1322164552045801738, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, companyId=1322164552033218825, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.国家金属采矿工程技术研究中心,湖南 长沙 410012)]), AuthorCompany(id=1322164552133882124, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, xref=3., ext=[AuthorCompanyExt(id=1322164552142270733, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, companyId=1322164552133882124, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.Western Mineral Co., Ltd., Xining, Qinghai 810008, China), AuthorCompanyExt(id=1322164552154853646, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, companyId=1322164552133882124, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.西部矿业股份有限公司,青海 西宁市 810008)])], figs=[ArticleFig(id=1322164560589599036, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=EN, label=Fig.1, caption=
Overall visualization model of the mining area, figureFileSmall=uRudNw2xZb7oRumBL6eRxw==, figureFileBig=5IcIUDtd3MsmsQXiaCCJgA==, tableContent=null), ArticleFig(id=1322164560669290813, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=图1, caption=
矿区整体可视化模型, figureFileSmall=uRudNw2xZb7oRumBL6eRxw==, figureFileBig=5IcIUDtd3MsmsQXiaCCJgA==, tableContent=null), ArticleFig(id=1322164560879006014, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=EN, label=Fig.2, caption=
Front view of the stope, figureFileSmall=963l8Bk6vxLlwAF4Du77FA==, figureFileBig=asDorfZXzAMzfKPtEWYkCQ==, tableContent=null), ArticleFig(id=1322164560946114879, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=图2, caption=
采场正视图, figureFileSmall=963l8Bk6vxLlwAF4Du77FA==, figureFileBig=asDorfZXzAMzfKPtEWYkCQ==, tableContent=null), ArticleFig(id=1322164561034195264, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=EN, label=Fig.3, caption=
Comparison of principal stress under different drift heights, figureFileSmall=K3NDzOE5VtuSc7L6HVQOpw==, figureFileBig=mEEvsMS4bb4Bf9HOKu54Qw==, tableContent=null), ArticleFig(id=1322164561113887041, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=图3, caption=
不同进路高度下主应力对比, figureFileSmall=K3NDzOE5VtuSc7L6HVQOpw==, figureFileBig=mEEvsMS4bb4Bf9HOKu54Qw==, tableContent=null), ArticleFig(id=1322164561180995906, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=EN, label=Fig.4, caption=
Comparison of vertical displacement under different drift heights, figureFileSmall=mRsUCdrBTIImVXLiOjo4cQ==, figureFileBig=E7/PEjYtvK+ikg6Vzj+efQ==, tableContent=null), ArticleFig(id=1322164561273270595, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=图4, caption=
不同进路高度下竖向位移对比, figureFileSmall=mRsUCdrBTIImVXLiOjo4cQ==, figureFileBig=E7/PEjYtvK+ikg6Vzj+efQ==, tableContent=null), ArticleFig(id=1322164561357156676, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=EN, label=Fig.5, caption=
Comparison of plastic zones under different drift heights, figureFileSmall=ZJbCtEN7Zgxdsa8isaRtKw==, figureFileBig=9WDR5NuBUyzlnMGgCCsqXw==, tableContent=null), ArticleFig(id=1322164562611253573, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=图5, caption=
不同进路高度下塑性区对比, figureFileSmall=ZJbCtEN7Zgxdsa8isaRtKw==, figureFileBig=9WDR5NuBUyzlnMGgCCsqXw==, tableContent=null), ArticleFig(id=1322164562703528262, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=EN, label=Fig.6, caption=
Comparison of principal stress under different drift widths, figureFileSmall=5pmUEl+9rhMvJQnv4ZR4HQ==, figureFileBig=LGHi2HU68Ln9E2rOK2sEvw==, tableContent=null), ArticleFig(id=1322164562774831431, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=图6, caption=
不同进路宽度下主应力对比, figureFileSmall=5pmUEl+9rhMvJQnv4ZR4HQ==, figureFileBig=LGHi2HU68Ln9E2rOK2sEvw==, tableContent=null), ArticleFig(id=1322164562858717512, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=EN, label=Fig.7, caption=
Comparison of vertical displacement under different drift widths, figureFileSmall=Pu/U1shZgp6r255sLIphfQ==, figureFileBig=ZNeEbSVE4QnxdqVbleFDdQ==, tableContent=null), ArticleFig(id=1322164562942603593, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=图7, caption=
不同进路宽度下竖向位移对比, figureFileSmall=Pu/U1shZgp6r255sLIphfQ==, figureFileBig=ZNeEbSVE4QnxdqVbleFDdQ==, tableContent=null), ArticleFig(id=1322164563034878282, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=EN, label=Fig.8, caption=
Comparison of plastic zones under different drift widths, figureFileSmall=Iwr1gJJ7jc94UknIiNM4Qw==, figureFileBig=zEJ/lJMXAXvUdtXaav8oMQ==, tableContent=null), ArticleFig(id=1322164563118764363, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=图8, caption=
不同进路宽度塑性区对比, figureFileSmall=Iwr1gJJ7jc94UknIiNM4Qw==, figureFileBig=zEJ/lJMXAXvUdtXaav8oMQ==, tableContent=null), ArticleFig(id=1322164563185873228, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=EN, label=Fig.9, caption=
Comparison of principal stress under different drift layout patterns, figureFileSmall=Q9Ul7a9kbquqZBIq5cS9Jw==, figureFileBig=ruovn7XhY9jTsHvZqb483g==, tableContent=null), ArticleFig(id=1322164563257176397, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=图9, caption=
不同进路布置形式下主应力对比, figureFileSmall=Q9Ul7a9kbquqZBIq5cS9Jw==, figureFileBig=ruovn7XhY9jTsHvZqb483g==, tableContent=null), ArticleFig(id=1322164563324285262, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=EN, label=Fig.10, caption=
Comparison of vertical displacements under different drift layout patterns, figureFileSmall=tYPh6ShAqLin0QF2US43tg==, figureFileBig=T/EiO5+Rr5B6pZAe+dV+hg==, tableContent=null), ArticleFig(id=1322164563412365647, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=图10, caption=
不同进路布置形式下竖向位移对比, figureFileSmall=tYPh6ShAqLin0QF2US43tg==, figureFileBig=T/EiO5+Rr5B6pZAe+dV+hg==, tableContent=null), ArticleFig(id=1322164563496251728, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=EN, label=Fig.11, caption=
Comparison of plastic zones under different drift layout patterns, figureFileSmall=c9R7xINHzITBHZ9RYpkPDA==, figureFileBig=TuTEIW7tFCf7ayFAlRDdAw==, tableContent=null), ArticleFig(id=1322164563584332113, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=图11, caption=
不同进路布置形式塑性区对比, figureFileSmall=c9R7xINHzITBHZ9RYpkPDA==, figureFileBig=TuTEIW7tFCf7ayFAlRDdAw==, tableContent=null), ArticleFig(id=1322164563651440978, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=EN, label=Fig.12, caption=
Comparison of plastic zones under different filling times, figureFileSmall=tW99CwtaQdUpY71yM0Jgag==, figureFileBig=GCYAEOI+jx+/+8doAlO1+w==, tableContent=null), ArticleFig(id=1322164563739521363, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=图12, caption=
不同充填次数塑性区对比, figureFileSmall=tW99CwtaQdUpY71yM0Jgag==, figureFileBig=GCYAEOI+jx+/+8doAlO1+w==, tableContent=null), ArticleFig(id=1322164563831796052, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=EN, label=Fig.13, caption=
Downward wall filling mining method, figureFileSmall=l7c3Tsc3mLWkWvLCe25B8w==, figureFileBig=up7f0je7SRs72fewRuJ/EA==, tableContent=null), ArticleFig(id=1322164563911487829, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=图13, caption=
下向壁式充填法采矿法, figureFileSmall=l7c3Tsc3mLWkWvLCe25B8w==, figureFileBig=up7f0je7SRs72fewRuJ/EA==, tableContent=null), ArticleFig(id=1322164564033122646, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=EN, label=Table 1, caption=
Rock mechanics parameters and backfill parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料 | 弹性模量E/GPa | 体积模量K/GPa | 剪切模量G/GPa | 抗拉强度T/MPa | 密度ρ/(kg/m3) | 黏聚力C/MPa | 内摩擦角φ/(°) |
|---|
| 矿体 | 3.00 | 2.78 | 1.14 | 0.05 | 2 800 | 0.80 | 25 |
| 围岩 | 10.00 | 7.25 | 3.94 | 0.15 | 2 980 | 2.00 | 27 |
| 高强度充填体 | 1.10 | 0.92 | 0.42 | 0.16 | 2 200 | 0.30 | 22 |
| 低强度充填体 | 0.70 | 0.58 | 0.27 | 0.14 | 2 100 | 0.25 | 20 |
), ArticleFig(id=1322164564167340375, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=表1, caption=
岩体力学参数及充填体参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 材料 | 弹性模量E/GPa | 体积模量K/GPa | 剪切模量G/GPa | 抗拉强度T/MPa | 密度ρ/(kg/m3) | 黏聚力C/MPa | 内摩擦角φ/(°) |
|---|
| 矿体 | 3.00 | 2.78 | 1.14 | 0.05 | 2 800 | 0.80 | 25 |
| 围岩 | 10.00 | 7.25 | 3.94 | 0.15 | 2 980 | 2.00 | 27 |
| 高强度充填体 | 1.10 | 0.92 | 0.42 | 0.16 | 2 200 | 0.30 | 22 |
| 低强度充填体 | 0.70 | 0.58 | 0.27 | 0.14 | 2 100 | 0.25 | 20 |
), ArticleFig(id=1322164564251226456, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=EN, label=Table 2, caption=
Layout schemes
, figureFileSmall=null, figureFileBig=null, tableContent=
| 试验分组 | 进路高度/m | 进路宽度/m | 进路布置方式 | 充填次数 | 备注 |
|---|
| 1 | 3.0 | 2.5~5 | “十” | 1 | 进路高度 |
| 2 | 4.0 | 2.5~5 | “十” | 1 | 进路高度 |
| 3 | 5.0 | 2.5~5 | “十” | 1 | 进路高度 |
| 4 | 3.0 | 2.5 | “十” | 1 | 进路宽度 |
| 5 | 3.0 | 3.0 | “十” | 1 | 进路宽度 |
| 6 | 3.0 | 4.0 | “十” | 1 | 进路宽度 |
| 7 | 3.0 | 5.0 | “十” | 1 | 进路宽度 |
| 8 | 3.0 | 3.0 | “器” | 1 | 进路布置方式 |
| 9 | 3.0 | 3.0 | “品” | 1 | 进路布置方式 |
| 10 | 3.0 | 3.0 | “十” | 1 | 进路布置方式 |
| 11 | 3.0 | 3.0 | “十” | 1 | 充填次数 |
| 12 | 3.0 | 3.0 | “十” | 2 | 充填次数 |
), ArticleFig(id=1322164564339306841, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=表2, caption=
布置方案
, figureFileSmall=null, figureFileBig=null, tableContent=
| 试验分组 | 进路高度/m | 进路宽度/m | 进路布置方式 | 充填次数 | 备注 |
|---|
| 1 | 3.0 | 2.5~5 | “十” | 1 | 进路高度 |
| 2 | 4.0 | 2.5~5 | “十” | 1 | 进路高度 |
| 3 | 5.0 | 2.5~5 | “十” | 1 | 进路高度 |
| 4 | 3.0 | 2.5 | “十” | 1 | 进路宽度 |
| 5 | 3.0 | 3.0 | “十” | 1 | 进路宽度 |
| 6 | 3.0 | 4.0 | “十” | 1 | 进路宽度 |
| 7 | 3.0 | 5.0 | “十” | 1 | 进路宽度 |
| 8 | 3.0 | 3.0 | “器” | 1 | 进路布置方式 |
| 9 | 3.0 | 3.0 | “品” | 1 | 进路布置方式 |
| 10 | 3.0 | 3.0 | “十” | 1 | 进路布置方式 |
| 11 | 3.0 | 3.0 | “十” | 1 | 充填次数 |
| 12 | 3.0 | 3.0 | “十” | 2 | 充填次数 |
), ArticleFig(id=1322164564418998618, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=EN, label=Table 3, caption=
Minimum principal stress of model under different filling times
, figureFileSmall=null, figureFileBig=null, tableContent=
| 充填次数 | 上盘监测点/MPa | 中部监测点/MPa | 下盘监测点/MPa |
|---|
| 1 | 0.005 7 | 0.05 | -2.58 |
| 2 | 0.067 0 | 0.05 | -2.43 |
), ArticleFig(id=1322164564494496091, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=表3, caption=
不同充填次数下模型最小主应力
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| 充填次数 | 上盘监测点/MPa | 中部监测点/MPa | 下盘监测点/MPa |
|---|
| 1 | 0.005 7 | 0.05 | -2.58 |
| 2 | 0.067 0 | 0.05 | -2.43 |
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Maximum principal stress of model under different filling times
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| 充填次数 | 上盘监测点/MPa | 中部监测点/MPa | 下盘监测点/MPa |
|---|
| 1 | -0.23 | -0.41 | -7.12 |
| 2 | -0.30 | -0.50 | -7.35 |
), ArticleFig(id=1322164564666462557, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=表4, caption=
不同充填次数下模型最大主应力
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| 充填次数 | 上盘监测点/MPa | 中部监测点/MPa | 下盘监测点/MPa |
|---|
| 1 | -0.23 | -0.41 | -7.12 |
| 2 | -0.30 | -0.50 | -7.35 |
), ArticleFig(id=1322164564741960030, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=EN, label=Table 5, caption=
Vertical displacement of model under different filling times
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| 充填次数 | 上盘监测点/mm | 中部监测点/mm | 下盘监测点/mm |
|---|
| 1 | -8.79 | -14.02 | 0.91 |
| 2 | -9.00 | -14.70 | 1.02 |
), ArticleFig(id=1322164564830040415, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=表5, caption=
不同充填次数下模型竖向位移
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| 充填次数 | 上盘监测点/mm | 中部监测点/mm | 下盘监测点/mm |
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| 1 | -8.79 | -14.02 | 0.91 |
| 2 | -9.00 | -14.70 | 1.02 |
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Main technical and economic indicators
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| 进路生产能力/(t/d) | 采切比/(m/kt) | 损失率/% | 贫化率/% | 采矿成本/(元/t) |
|---|
| 35 | 7.5 | 5 | 5 | 150 |
), ArticleFig(id=1322164565006201185, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322164547436261608, language=CN, label=表6, caption=
主要技术经济指标
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| 进路生产能力/(t/d) | 采切比/(m/kt) | 损失率/% | 贫化率/% | 采矿成本/(元/t) |
|---|
| 35 | 7.5 | 5 | 5 | 150 |
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