Article(id=1322595398275936428, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322595047657296718, 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=1715875200000, receivedDateStr=2024-05-17, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793260915583, onlineDateStr=2026-10-29, pubDate=1742832000000, pubDateStr=2025-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793260915583, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793260915583, creator=13701087609, updateTime=1793260915583, updator=13701087609, issue=Issue{id=1322595047657296718, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='3', pageStart='1', pageEnd='288', issueExtLink='null', onlineDate='null', pubDate='1742832000000', pubDateStr='2025-03-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793260831989, creator='13701087609', updateTime=1793260831989, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=31, endPage=40, ext={EN=ArticleExt(id=1322595398649229485, articleId=1322595398275936428, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Optimization Method and Sensitivity Analysis of Stope Structure Parameters Based on Response Surface, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To solve the problem of roof instability or insufficient production capacity caused by unreasonable values of stope structure parameters, an iron ore mine in Hebei Province was selected as the background to optimize the stope structure parameters and analyze their sensitivity. Firstly, a rock mass quality investigation was conducted and the extended Mathews stability chart method with stable probability was used to preliminarily determine the width and length range of the stope. Then, FLAC3D numerical simulation was used to explore the deformation law of the maximum displacement of the stope roof with the variation of structure parameters. Combined with response surface method, a prediction model for the displacement of the stope roof was constructed, and the sensitivity of the single factor affecting the displacement of the stope roof and their interaction relationship were explored. Finally, considering safety and block size, the stope structure parameters were optimized, and industrial experiments were conducted to verify the rationality of the results. The results indicate that the overall rating of the ore body is grade V, and the rock mass quality is very poor. The sensitivity of the roof displacement of the stope to various parameters, from high to low, is as follows: stope width, stope length, and stope height. The optimal stope structure parameters for this ore body are a width of 12 m, a length of 36 m, and a height of 60 m. When using the structure parameters for recovery, the contour of the goaf is relatively flat and stable. The research results can provide theoretical basis for selecting reasonable stope structure parameters and correctly coordinating stope safety and production capacity.
, authors=Deqing GAN
1, 2, 3, 4, Qi MENG
1, 2, 3, 4, Zhiyi LIU
1, 2, 3, 4, Yanze LU
1, 2, 3, 4, 5, authorsList=Deqing GAN, Qi MENG, Zhiyi LIU, Yanze LU, authorCompany=null, correspAuthors=Zhiyi LIU, 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=1322595406500966617, articleId=1322595398275936428, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=基于响应曲面的采场结构参数优化方法与敏感性分析, columnId=1226462294490657775, journalTitle=矿业研究与开发, columnName=采矿与矿山充填, runingTitle=null, highlight=null, articleAbstract=
为解决采场结构参数取值不合理导致的顶板失稳或生产能力不足等难题,以河北省某矿为背景,对采场结构参数进行优化,并对其参数敏感性进行了分析。首先,进行岩体质量调查,并采用具有稳定概率的拓展Mathews稳定图法初步确定了采场的宽度和长度区间。然后,利用FLAC3D数值模拟探究了采场顶板最大沉降量随结构参数变化的变形规律,结合响应面法构建了采场顶板沉降量预测模型,探明了影响采场顶板沉降的自身因素敏感性及其交互作用关系。最后,综合考虑生产安全与矿块大小,对采场进行了采场结构参数优化,并进行工业试验验证结果合理性。结果表明:该矿岩体整体评级为Ⅴ级,岩体质量很差;采场顶板沉降量对各参数敏感程度从高到低依次为采场宽度、采场长度、采场高度;该矿体最佳采场结构参数为宽12 m、长36 m、高60 m,采用该结构参数进行回采,采空区轮廓较为平整,能够保持稳定。研究结果可为选取合理的采场结构参数、正确协调采场安全与生产能力提供理论依据。
, authors=甘德清
1, 2, 3, 4, 孟岐
1, 2, 3, 4, 刘志义
1, 2, 3, 4, 路燕泽
1, 2, 3, 4, 5, authorsList=甘德清, 孟岐, 刘志义, 路燕泽, authorCompany=null, correspAuthors=刘志义, authorNote=
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1, 2, 3, 4, address=
1.College of Mining Engineering, North China University of Science and Technology, Tangshan, Hebei 063210, China
2.Collaborative Innovation Center of Green Development and Ecological Restoration of Mineral Resources, North China University of Science and Technology, Tangshan, Hebei 063210, China
3.Green Intelligent Mining Technology Innovation Center of Hebei Province, North China University of Science and Technology, Tangshan, Hebei 063210, China
4.Hebei Province Key Laboratory of Mining Development and Security Technology, North China University of Science and Technology, Tangshan, Hebei 063210, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322595409839632624, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, authorId=1322595408166105322, language=CN, stringName=甘德清, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, 4, address=
1.华北理工大学 矿业工程学院,河北 唐山市 063210
2.华北理工大学 矿产资源绿色开发与生态修复协同创新中心,河北 唐山市 063210
3.华北理工大学 河北省矿山绿色智能开采技术创新中心,河北 唐山市 063210
4.华北理工大学 河北省矿业开发与安全技术实验室,河北 唐山市 063210, bio={"content":"
甘德清(1962—),男,河北抚宁人,博士,教授,博士生导师,主要从事采矿工艺方面的教学与研究工作。E-mail:gdqheut@163.com
"}, bioImg=null, bioContent=
甘德清(1962—),男,河北抚宁人,博士,教授,博士生导师,主要从事采矿工艺方面的教学与研究工作。E-mail:gdqheut@163.com
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4.华北理工大学 河北省矿业开发与安全技术实验室,河北 唐山市 063210)])]), Author(id=1322595409906741490, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, orderNo=1, 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=1322595410019987703, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, authorId=1322595409906741490, language=EN, stringName=Qi MENG, firstName=Qi, middleName=null, lastName=MENG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, 4, address=
1.College of Mining Engineering, North China University of Science and Technology, Tangshan, Hebei 063210, China
2.Collaborative Innovation Center of Green Development and Ecological Restoration of Mineral Resources, North China University of Science and Technology, Tangshan, Hebei 063210, China
3.Green Intelligent Mining Technology Innovation Center of Hebei Province, North China University of Science and Technology, Tangshan, Hebei 063210, China
4.Hebei Province Key Laboratory of Mining Development and Security Technology, North China University of Science and Technology, Tangshan, Hebei 063210, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322595410271645944, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, authorId=1322595409906741490, language=CN, stringName=孟岐, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, 4, address=
1.华北理工大学 矿业工程学院,河北 唐山市 063210
2.华北理工大学 矿产资源绿色开发与生态修复协同创新中心,河北 唐山市 063210
3.华北理工大学 河北省矿山绿色智能开采技术创新中心,河北 唐山市 063210
4.华北理工大学 河北省矿业开发与安全技术实验室,河北 唐山市 063210, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322595406987505882, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, xref=1., ext=[AuthorCompanyExt(id=1322595406991700187, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, companyId=1322595406987505882, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1, 2, 3, 4, address=
1.College of Mining Engineering, North China University of Science and Technology, Tangshan, Hebei 063210, China
2.Collaborative Innovation Center of Green Development and Ecological Restoration of Mineral Resources, North China University of Science and Technology, Tangshan, Hebei 063210, China
3.Green Intelligent Mining Technology Innovation Center of Hebei Province, North China University of Science and Technology, Tangshan, Hebei 063210, China
4.Hebei Province Key Laboratory of Mining Development and Security Technology, North China University of Science and Technology, Tangshan, Hebei 063210, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322595410678493440, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, authorId=1322595410355532026, language=CN, stringName=刘志义, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, 4, address=
1.华北理工大学 矿业工程学院,河北 唐山市 063210
2.华北理工大学 矿产资源绿色开发与生态修复协同创新中心,河北 唐山市 063210
3.华北理工大学 河北省矿山绿色智能开采技术创新中心,河北 唐山市 063210
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2.华北理工大学 矿产资源绿色开发与生态修复协同创新中心,河北 唐山市 063210)]), AuthorCompany(id=1322595407419519200, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, xref=3., ext=[AuthorCompanyExt(id=1322595407427907809, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, companyId=1322595407419519200, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1, 2, 3, 4, 5, address=
1.College of Mining Engineering, North China University of Science and Technology, Tangshan, Hebei 063210, China
2.Collaborative Innovation Center of Green Development and Ecological Restoration of Mineral Resources, North China University of Science and Technology, Tangshan, Hebei 063210, China
3.Green Intelligent Mining Technology Innovation Center of Hebei Province, North China University of Science and Technology, Tangshan, Hebei 063210, China
4.Hebei Province Key Laboratory of Mining Development and Security Technology, North China University of Science and Technology, Tangshan, Hebei 063210, China
5.Shahe Zhongguan Iron Mine Co., Ltd., Hebei Iron and Steel Group, Xingtai, Hebei 054100, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322595411517354249, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, authorId=1322595411152449794, language=CN, stringName=路燕泽, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, 4, 5, address=
1.华北理工大学 矿业工程学院,河北 唐山市 063210
2.华北理工大学 矿产资源绿色开发与生态修复协同创新中心,河北 唐山市 063210
3.华北理工大学 河北省矿山绿色智能开采技术创新中心,河北 唐山市 063210
4.华北理工大学 河北省矿业开发与安全技术实验室,河北 唐山市 063210
5.河北钢铁集团沙河中关铁矿有限公司,河北 邢台市 054100, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322595406987505882, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, xref=1., ext=[AuthorCompanyExt(id=1322595406991700187, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, companyId=1322595406987505882, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3.华北理工大学 河北省矿山绿色智能开采技术创新中心,河北 唐山市 063210)]), AuthorCompany(id=1322595407742480611, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, xref=4., ext=[AuthorCompanyExt(id=1322595407755063524, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, companyId=1322595407742480611, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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5.Shahe Zhongguan Iron Mine Co., Ltd., Hebei Iron and Steel Group, Xingtai, Hebei 054100, China), AuthorCompanyExt(id=1322595407872504040, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, companyId=1322595407855726822, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
5.河北钢铁集团沙河中关铁矿有限公司,河北 邢台市 054100)])])], keywords=[Keyword(id=1322595411622211850, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, orderNo=1, keyword=Stope structure parameter), Keyword(id=1322595411718680843, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, orderNo=2, keyword=Sensitivity analysis), Keyword(id=1322595411794178316, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, orderNo=3, keyword=Response surface method), Keyword(id=1322595411936784653, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, orderNo=4, keyword=Mathews stability chart method), Keyword(id=1322595412016476430, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, orderNo=5, keyword=Numerical simulation), Keyword(id=1322595412087779599, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, orderNo=1, keyword=采场结构参数), Keyword(id=1322595412180054288, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, orderNo=2, keyword=敏感性分析), Keyword(id=1322595412364603665, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, orderNo=3, keyword=响应面法), Keyword(id=1322595412448489746, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, orderNo=4, keyword=Mathews稳定图法), Keyword(id=1322595414142988564, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, orderNo=5, keyword=数值模拟)], refs=[Reference(id=1322595434447614271, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, doi=null, pmid=null, pmcid=null, year=2021, volume=null, issue=1, pageStart=1, pageEnd=13, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=吴爱祥, 王勇, 张敏哲, journalName=金属矿山, refType=null, unstructuredReference=吴爱祥,王勇,张敏哲,
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4.Hebei Province Key Laboratory of Mining Development and Security Technology, North China University of Science and Technology, Tangshan, Hebei 063210, China), AuthorCompanyExt(id=1322595407767646437, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, companyId=1322595407742480611, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.华北理工大学 河北省矿业开发与安全技术实验室,河北 唐山市 063210)]), AuthorCompany(id=1322595407855726822, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, xref=5., ext=[AuthorCompanyExt(id=1322595407868309735, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, companyId=1322595407855726822, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
5.Shahe Zhongguan Iron Mine Co., Ltd., Hebei Iron and Steel Group, Xingtai, Hebei 054100, China), AuthorCompanyExt(id=1322595407872504040, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, companyId=1322595407855726822, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
5.河北钢铁集团沙河中关铁矿有限公司,河北 邢台市 054100)])], figs=[ArticleFig(id=1322595414533058837, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Fig.1, caption=
Spatial distribution of joint surface at each measuring point, figureFileSmall=DQf7icpTrLqaWqmiyZf+2A==, figureFileBig=133nhtreAz/JDJ+RpBitow==, tableContent=null), ArticleFig(id=1322595414612750614, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=图1, caption=
各测点节理面空间分布, figureFileSmall=DQf7icpTrLqaWqmiyZf+2A==, figureFileBig=133nhtreAz/JDJ+RpBitow==, tableContent=null), ArticleFig(id=1322595417431322903, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Fig.2, caption=
Polar projection of each measuring point, figureFileSmall=HRYOK7VInMHW6SGHflOLRw==, figureFileBig=cGKO5d7rLKaHD6QaliJj0Q==, tableContent=null), ArticleFig(id=1322595419499114777, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=图2, caption=
各测点赤平极射投影, figureFileSmall=HRYOK7VInMHW6SGHflOLRw==, figureFileBig=cGKO5d7rLKaHD6QaliJj0Q==, tableContent=null), ArticleFig(id=1322595419922739482, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Fig.3, caption=
Extended Mathews stability chart, figureFileSmall=ze3kW8M3F5eJKOeHV7ejiw==, figureFileBig=QSOKbuWglTXy918VI7jiZQ==, tableContent=null), ArticleFig(id=1322595420035985691, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=图3, caption=
拓展的Mathews稳定图, figureFileSmall=ze3kW8M3F5eJKOeHV7ejiw==, figureFileBig=QSOKbuWglTXy918VI7jiZQ==, tableContent=null), ArticleFig(id=1322595420329586972, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Fig.4, caption=
Relationship between allowed exposure length and roof hydraulic radius under different mining widths, figureFileSmall=9KJKmwGguyB42ZBFk7ubFw==, figureFileBig=Sq+AeUlFL67KPMRVO8E3OA==, tableContent=null), ArticleFig(id=1322595420405084445, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=图4, caption=
不同采场宽度下允许暴露长度与顶板水力半径的关系, figureFileSmall=9KJKmwGguyB42ZBFk7ubFw==, figureFileBig=Sq+AeUlFL67KPMRVO8E3OA==, tableContent=null), ArticleFig(id=1322595420807737630, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Fig.5, caption=
Schematics of numerical model, figureFileSmall=YiXYNNMIfaO5BYIVdmlWIQ==, figureFileBig=iIX+0j00VrX4d3G5dxm5lA==, tableContent=null), ArticleFig(id=1322595420887429407, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=图5, caption=
数值模型示意, figureFileSmall=YiXYNNMIfaO5BYIVdmlWIQ==, figureFileBig=iIX+0j00VrX4d3G5dxm5lA==, tableContent=null), ArticleFig(id=1322595420962926880, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Fig.6, caption=
Curve of ED variation with mining height, figureFileSmall=gZh7YtBXedGkYdhdmgjXRQ==, figureFileBig=LakYHma+63tCYaQd7OYXCA==, tableContent=null), ArticleFig(id=1322595421051007265, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=图6, caption=
ED值随采场高度变化曲线, figureFileSmall=gZh7YtBXedGkYdhdmgjXRQ==, figureFileBig=LakYHma+63tCYaQd7OYXCA==, tableContent=null), ArticleFig(id=1322595421130699042, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Fig.7, caption=
Comparison between predicted and simulated displacement of roof, figureFileSmall=qTVRcX28WC4JgA5mkdcVBw==, figureFileBig=LgMeJqzXGhI5qnkSXn2vsQ==, tableContent=null), ArticleFig(id=1322595421227168035, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=图7, caption=
顶板沉降量预测值与模拟值对比, figureFileSmall=qTVRcX28WC4JgA5mkdcVBw==, figureFileBig=LgMeJqzXGhI5qnkSXn2vsQ==, tableContent=null), ArticleFig(id=1322595421302665508, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Fig.8, caption=
Single factor analysis of roof displacement, figureFileSmall=xzVqGdpsgYo0dPGyBRrFkg==, figureFileBig=AeYK5RTEv43sbPIA6virHg==, tableContent=null), ArticleFig(id=1322595421378162981, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=图8, caption=
顶板沉降量单因素分析, figureFileSmall=xzVqGdpsgYo0dPGyBRrFkg==, figureFileBig=AeYK5RTEv43sbPIA6virHg==, tableContent=null), ArticleFig(id=1322595421466243366, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Fig.9, caption=
Interaction of two-factors response surface, figureFileSmall=eFzmmkfbKw3ib/IteP4AGA==, figureFileBig=Sb0uVPaNa4raVlO8AUWCDw==, tableContent=null), ArticleFig(id=1322595421529157927, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=图9, caption=
双因素响应曲面交互作用, figureFileSmall=eFzmmkfbKw3ib/IteP4AGA==, figureFileBig=Sb0uVPaNa4raVlO8AUWCDw==, tableContent=null), ArticleFig(id=1322595424540668200, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Fig.10, caption=
Interaction of two-factor contour lines, figureFileSmall=f6G/inzAO8olOmGfAn2j1g==, figureFileBig=dnXpINAmLPVKceGjDfbbaQ==, tableContent=null), ArticleFig(id=1322595425006235945, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=图10, caption=
双因素等高线交互作用, figureFileSmall=f6G/inzAO8olOmGfAn2j1g==, figureFileBig=dnXpINAmLPVKceGjDfbbaQ==, tableContent=null), ArticleFig(id=1322595427501846826, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Fig.11, caption=
Relationship between roof displacement and ore block size, figureFileSmall=8eQZ32PVP7GyDrMjboovUw==, figureFileBig=9hpMo9kAQ/MV32tBysNZMA==, tableContent=null), ArticleFig(id=1322595430391722283, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=图11, caption=
顶板沉降量与矿块大小关系, figureFileSmall=8eQZ32PVP7GyDrMjboovUw==, figureFileBig=9hpMo9kAQ/MV32tBysNZMA==, tableContent=null), ArticleFig(id=1322595430874067244, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Fig.12, caption=
−230 m horizontal development system and layout of mine rooms, figureFileSmall=EzGagcosV0Xy9OhgMva3cA==, figureFileBig=4yX1eubwp6A517gyu9o5cQ==, tableContent=null), ArticleFig(id=1322595432274964781, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=图12, caption=
−230 m水平开拓系统及矿房布置情况, figureFileSmall=EzGagcosV0Xy9OhgMva3cA==, figureFileBig=4yX1eubwp6A517gyu9o5cQ==, tableContent=null), ArticleFig(id=1322595432606314798, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Fig.13, caption=
3D model of goaf scanned by laser, figureFileSmall=ZBAKYuS1YrzWcy96pcISmg==, figureFileBig=HSMosSDVJ9efBj5pBoxMQg==, tableContent=null), ArticleFig(id=1322595432740532527, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=图13, caption=
激光扫描采空区三维模型, figureFileSmall=ZBAKYuS1YrzWcy96pcISmg==, figureFileBig=HSMosSDVJ9efBj5pBoxMQg==, tableContent=null), ArticleFig(id=1322595432845390128, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Table 1, caption=
Parameters of structural plane
, figureFileSmall=null, figureFileBig=null, tableContent=
| 测点 | 倾向/(°) | 倾角/(°) | 线密度/(条/m) | 体密度/(条/m3) | 节理 |
|---|
| 1# | 112.20 | 60.70 | 2.325 2 | 8.82 | 很发育 |
| 2# | 211.14 | 37.36 | 2.288 5 | 5.12 | 发育 |
| 3# | 132.21 | 66.79 | 3.551 3 | 9.52 | 很发育 |
| 4# | 353.48 | 23.62 | 4.458 6 | 9.21 | 很发育 |
), ArticleFig(id=1322595432941859121, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=表1, caption=
结构面参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 测点 | 倾向/(°) | 倾角/(°) | 线密度/(条/m) | 体密度/(条/m3) | 节理 |
|---|
| 1# | 112.20 | 60.70 | 2.325 2 | 8.82 | 很发育 |
| 2# | 211.14 | 37.36 | 2.288 5 | 5.12 | 发育 |
| 3# | 132.21 | 66.79 | 3.551 3 | 9.52 | 很发育 |
| 4# | 353.48 | 23.62 | 4.458 6 | 9.21 | 很发育 |
), ArticleFig(id=1322595433025745202, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Table 2, caption=
RMR indexes and grading results
, figureFileSmall=null, figureFileBig=null, tableContent=
| 测点 | 评分值 | 分级 | 岩体质量 |
|---|
| 1# | 19.1 | Ⅴ | 很差 |
| 2# | 15.9 | Ⅴ | 很差 |
| 3# | 18.9 | Ⅴ | 很差 |
| 4# | 19.8 | Ⅴ | 很差 |
), ArticleFig(id=1322595433143185715, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=表2, caption=
RMR 指标及分级结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 测点 | 评分值 | 分级 | 岩体质量 |
|---|
| 1# | 19.1 | Ⅴ | 很差 |
| 2# | 15.9 | Ⅴ | 很差 |
| 3# | 18.9 | Ⅴ | 很差 |
| 4# | 19.8 | Ⅴ | 很差 |
), ArticleFig(id=1322595433227071796, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Table 3, caption=
Fitting equations for stability probability
, figureFileSmall=null, figureFileBig=null, tableContent=
| 稳定概率/% | 拟合方程 |
|---|
| 95 | lnN=1.819 752 77lnS–0.020 0 |
| 90 | lnN=1.819 752 77lnS–0.962 5 |
| 80 | lnN=1.819 752 77lnS–1.985 4 |
| 70 | lnN=1.819 752 77lnS–2.665 2 |
| 60 | lnN=1.819 752 77lnS–3.222 5 |
| 50 | lnN=1.819 752 77lnS–3.734 0 |
| 20 | lnN=1.819 752 77lnS–7.448 0 |
| 5 | lnN=1.819 7527 7lnS–5.482 6 |
), ArticleFig(id=1322595433315152181, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=表3, caption=
稳定概率拟合方程
, figureFileSmall=null, figureFileBig=null, tableContent=
| 稳定概率/% | 拟合方程 |
|---|
| 95 | lnN=1.819 752 77lnS–0.020 0 |
| 90 | lnN=1.819 752 77lnS–0.962 5 |
| 80 | lnN=1.819 752 77lnS–1.985 4 |
| 70 | lnN=1.819 752 77lnS–2.665 2 |
| 60 | lnN=1.819 752 77lnS–3.222 5 |
| 50 | lnN=1.819 752 77lnS–3.734 0 |
| 20 | lnN=1.819 752 77lnS–7.448 0 |
| 5 | lnN=1.819 7527 7lnS–5.482 6 |
), ArticleFig(id=1322595433386455350, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Table 4, caption=
Mechanic parameters of ore body
, figureFileSmall=null, figureFileBig=null, tableContent=
| 密度/(kg/m3) | 抗拉强度/MPa | 黏聚力/MPa | 内摩擦角/(°) | 弹性模量/GPa | 泊松比 |
|---|
| 3 900 | 4.26 | 4.31 | 50.7 | 19.7 | 0.22 |
), ArticleFig(id=1322595433474535735, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=表4, caption=
矿体力学参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 密度/(kg/m3) | 抗拉强度/MPa | 黏聚力/MPa | 内摩擦角/(°) | 弹性模量/GPa | 泊松比 |
|---|
| 3 900 | 4.26 | 4.31 | 50.7 | 19.7 | 0.22 |
), ArticleFig(id=1322595433600364856, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Table 5, caption=
Schemes of orthogonal test and results of numerical simulation
, figureFileSmall=null, figureFileBig=null, tableContent=
| 编号 | 采场宽度W/m | 采场高度H/m | 采场长度L/m | 顶板沉降量/mm | ED/mm |
|---|
| 1 | 9 | 15 | 36 | 35.885 | 14.115 |
| 2 | 9 | 30 | 18 | 32.978 | 17.022 |
| 3 | 9 | 45 | 36 | 40.779 | 9.221 |
| 4 | 9 | 30 | 54 | 48.413 | 1.587 |
| 5 | 12 | 30 | 36 | 49.911 | 0.089 |
| 6 | 12 | 45 | 54 | 57.903 | 7.903 |
| 7 | 12 | 15 | 54 | 47.072 | 2.928 |
| 8 | 12 | 15 | 18 | 38.522 | 11.478 |
| 9 | 12 | 45 | 18 | 38.520 | 11.480 |
| 10 | 15 | 30 | 54 | 61.732 | 11.732 |
| 11 | 15 | 45 | 36 | 55.574 | 5.574 |
| 12 | 15 | 30 | 18 | 46.333 | 3.667 |
| 13 | 15 | 15 | 36 | 51.719 | 1.719 |
), ArticleFig(id=1322595433701028153, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=表5, caption=
正交试验设计及数值模拟结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 编号 | 采场宽度W/m | 采场高度H/m | 采场长度L/m | 顶板沉降量/mm | ED/mm |
|---|
| 1 | 9 | 15 | 36 | 35.885 | 14.115 |
| 2 | 9 | 30 | 18 | 32.978 | 17.022 |
| 3 | 9 | 45 | 36 | 40.779 | 9.221 |
| 4 | 9 | 30 | 54 | 48.413 | 1.587 |
| 5 | 12 | 30 | 36 | 49.911 | 0.089 |
| 6 | 12 | 45 | 54 | 57.903 | 7.903 |
| 7 | 12 | 15 | 54 | 47.072 | 2.928 |
| 8 | 12 | 15 | 18 | 38.522 | 11.478 |
| 9 | 12 | 45 | 18 | 38.520 | 11.480 |
| 10 | 15 | 30 | 54 | 61.732 | 11.732 |
| 11 | 15 | 45 | 36 | 55.574 | 5.574 |
| 12 | 15 | 30 | 18 | 46.333 | 3.667 |
| 13 | 15 | 15 | 36 | 51.719 | 1.719 |
), ArticleFig(id=1322595433784914234, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=EN, label=Table 6, caption=
Correlation indicators of the prediction model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 来源 | 平方和 | 自由度 | 均方 | F值 | P值 |
|---|
| 模型 | 978.16 | 9 | 108.68 | 214.43 | <0.000 1 |
| W | 410.45 | 1 | 410.45 | 809.8 | <0.000 1 |
| H | 47.91 | 1 | 47.91 | 94.53 | <0.000 1 |
| L | 431.7 | 1 | 431.7 | 851.7 | <0.000 1 |
| WH | 0.269 9 | 1 | 0.269 9 | 0.532 5 | 0.489 3 |
| WL | 0.000 3 | 1 | 0.000 3 | 0.000 6 | 0.980 5 |
| HL | 29.34 | 1 | 29.34 | 57.88 | 0.000 1 |
| W2 | 5.28 | 1 | 5.28 | 10.42 | 0.014 5 |
| H2 | 37.38 | 1 | 37.38 | 73.76 | <0.000 1 |
| L2 | 10.85 | 1 | 10.85 | 21.40 | 0.002 4 |
| 残差 | 3.55 | 7 | 0.506 9 | — | — |
| 失拟项 | 3.55 | 4 | 1.18 | — | — |
| 纯误差 | 0.000 | 4 | 0.000 | — | — |
), ArticleFig(id=1322595433856217403, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595398275936428, language=CN, label=表6, caption=
预测模型相关性指标
, figureFileSmall=null, figureFileBig=null, tableContent=
| 来源 | 平方和 | 自由度 | 均方 | F值 | P值 |
|---|
| 模型 | 978.16 | 9 | 108.68 | 214.43 | <0.000 1 |
| W | 410.45 | 1 | 410.45 | 809.8 | <0.000 1 |
| H | 47.91 | 1 | 47.91 | 94.53 | <0.000 1 |
| L | 431.7 | 1 | 431.7 | 851.7 | <0.000 1 |
| WH | 0.269 9 | 1 | 0.269 9 | 0.532 5 | 0.489 3 |
| WL | 0.000 3 | 1 | 0.000 3 | 0.000 6 | 0.980 5 |
| HL | 29.34 | 1 | 29.34 | 57.88 | 0.000 1 |
| W2 | 5.28 | 1 | 5.28 | 10.42 | 0.014 5 |
| H2 | 37.38 | 1 | 37.38 | 73.76 | <0.000 1 |
| L2 | 10.85 | 1 | 10.85 | 21.40 | 0.002 4 |
| 残差 | 3.55 | 7 | 0.506 9 | — | — |
| 失拟项 | 3.55 | 4 | 1.18 | — | — |
| 纯误差 | 0.000 | 4 | 0.000 | — | — |
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