Article(id=1322907531646992788, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322907425740825534, 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=1722960000000, receivedDateStr=2024-08-07, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793335333977, onlineDateStr=2026-10-30, pubDate=1750780800000, pubDateStr=2025-06-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793335333977, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793335333977, creator=13701087609, updateTime=1793335333977, updator=13701087609, issue=Issue{id=1322907425740825534, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='6', pageStart='1', pageEnd='300', issueExtLink='null', onlineDate='null', pubDate='1750780800000', pubDateStr='2025-06-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793335308726, creator='13701087609', updateTime=1793335308726, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=39, endPage=49, ext={EN=ArticleExt(id=1322907532779454869, articleId=1322907531646992788, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Size Optimization and Stability Analysis on Water-Resistant Pillar of an Iron Mine in Luanzhou, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In order to reasonably determine the thickness of the Quaternary water-resistant roof pillar and the width of water-resistant pillar in the fault of an iron mine in Luanzhou, taking a mine using typical filling mining method in Luanzhou as the engineering background, through theoretical analysis, based on the size optimization of the mine water-resistant pillar, the stability of the optimized size was evaluated by the large-scale finite element numerical calculation model. The results show that after the excavation and filling of the designed ore body, the influence area height under the maximum displacement does not intrude the Quaternary lower weathered rock strata. The maximum and minimum principal stresses are compressive stress, and there is no tensile stress area, which does not exceed the compressive strength of surrounding rocks and is close to the compressive strength of weathered rock strata. Weathered rock does not produce plastic zone failure unit. The sensitive area of the overall displacement of the fault and the pillar is distributed in the range of 0−30 m. The maximum and minimum principal stresses of fault and pillar are compressive stress, and no tensile stress occurs. The compressive stress in the contact area between the fault and the surrounding rock reaches the plastic strength, and the principal stress in the pillar area does not exceed the strength of the pillar. The contact area between the fault and the pillar, the contact area between the fault and the surrounding rock locally produces plastic zone, and the penetrating area is not formed. The ore body above −110 m level is set as the roof pillar to meet the safety requirements of water-resistant mining in weathered rock strata. A 100 m water-resistant pillar is left on the north side of the fault and a 60 m water-resistant pillar is left on the south side to meet the safety requirements of water-resistant mining. The research results can provide a reference for the design and evaluation of water-resistant pillar in the process of underground mining in similar mines.
, authors=Hongjian LU
1, Xinghang CHANG
1, Sheng LI
2, Peizhi ZHANG
3, Yongqiang WANG
3, Youzhi ZHANG
1, authorsList=Hongjian LU, Xinghang CHANG, Sheng LI, Peizhi ZHANG, Yongqiang WANG, Youzhi ZHANG, 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=1322907555009266115, articleId=1322907531646992788, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=滦州某铁矿隔水矿柱尺寸优化与稳定性分析, columnId=1226462294490657775, journalTitle=矿业研究与开发, columnName=采矿与矿山充填, runingTitle=null, highlight=null, articleAbstract=
为合理确定滦州某铁矿第四系隔水护顶矿柱厚度和断层隔水矿柱宽度,以滦州典型充填法开采矿山为工程背景,通过理论分析,在对矿山隔水矿柱尺寸优化的基础上,运用大型有限元数值计算模型对优化后的尺寸进行了稳定性评价。结果表明:设计矿体开挖充填后,位移最大值影响区域高度未侵入第四系下风化层;最大、最小主应力均为压应力,未发生拉应力区域,未超过围岩抗压强度,接近风化层抗压强度;风化岩未产生塑性区破坏单元。断层和矿柱最大、最小整体位移敏感区域分布在0~30 m;断层和矿柱主应力均为压应力,未发生拉应力;断层与围岩接触区域压应力达到塑性强度,矿柱区域主应力未超出矿柱强度;断层与矿柱接触区域、断层与围岩接触区域局部产生塑性区,未形成贯通区域。矿山−110 m水平以上矿体留设为护顶矿柱,满足风化岩层隔水开采安全要求;断层北侧留设100 m隔水矿柱、南侧留设60 m隔水矿柱,满足隔水开采安全要求。研究结果可为类似矿山地下开采过程中隔水矿柱留设和评价提供参考。
, authors=卢宏建
1, 常星航
1, 李胜
2, 张培智
3, 汪永强
3, 张友志
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1.College of Mining Engineering, North China University of Science and Technology, Tangshan, Hebei 063210, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322907563880219091, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, authorId=1322907560906457550, language=CN, stringName=卢宏建, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.华北理工大学 矿业工程学院,河北 唐山市 063210, bio={"content":"
卢宏建(1980—),男,河北保定人,博士,教授,主要从事金属矿山充填开采方面的研究。E-mail:luhongjian@ncst.edu.cn
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卢宏建(1980—),男,河北保定人,博士,教授,主要从事金属矿山充填开采方面的研究。E-mail:luhongjian@ncst.edu.cn
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2.Hebei Iron and Steel Group Mining Co., Ltd., Tangshan, Hebei 066501, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322907568514925022, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, authorId=1322907566744928730, language=CN, stringName=李胜, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.河北钢铁集团矿业有限公司,河北 唐山市 066501, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322907559274873287, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, xref=2., ext=[AuthorCompanyExt(id=1322907559589446088, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, companyId=1322907559274873287, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.College of Mining Engineering, North China University of Science and Technology, Tangshan, Hebei 063210, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322907573061550574, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, authorId=1322907570666602986, language=CN, stringName=张友志, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.华北理工大学 矿业工程学院,河北 唐山市 063210, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322907557563597252, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, xref=1., ext=[AuthorCompanyExt(id=1322907557580374469, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, companyId=1322907557563597252, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.河北钢铁集团矿业有限公司,河北 唐山市 066501)]), AuthorCompany(id=1322907560101151178, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, xref=3., ext=[AuthorCompanyExt(id=1322907560428306891, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, companyId=1322907560101151178, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.Tangshan Luanhe Xinfeng Mining Co., Ltd., Tangshan, Hebei 063004, China), AuthorCompanyExt(id=1322907560453472716, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, companyId=1322907560101151178, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.唐山市滦河鑫丰矿业有限公司,河北 唐山市 063004)])], figs=[ArticleFig(id=1322907580204450296, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=EN, label=Fig.1, caption=
Three-dimensional entity and mesh model of rock-soil layers, figureFileSmall=s7h/XQeL7RxSgHyG3pyN/A==, figureFileBig=hBkCpVZuepo/ffOxrcbugA==, tableContent=null), ArticleFig(id=1322907581844423161, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=CN, label=图1, caption=
岩土层三维实体与网格模型, figureFileSmall=s7h/XQeL7RxSgHyG3pyN/A==, figureFileBig=hBkCpVZuepo/ffOxrcbugA==, tableContent=null), ArticleFig(id=1322907582662312442, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=EN, label=Fig.2, caption=
Vertical displacement cloud maps of rock layers in a typical profile at S8 time step, figureFileSmall=hzGdM20u9Wlpo93coaQROw==, figureFileBig=/89bk6RoaVpNa3HxikVFlg==, tableContent=null), ArticleFig(id=1322907583102714363, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=CN, label=图2, caption=
S8时步典型剖面岩层垂直位移云图, figureFileSmall=hzGdM20u9Wlpo93coaQROw==, figureFileBig=/89bk6RoaVpNa3HxikVFlg==, tableContent=null), ArticleFig(id=1322907583199183356, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=EN, label=Fig.3, caption=
Principal stress cloud maps of rock layers in a typical profile at S8 time step, figureFileSmall=0N/7+gG41NwIIUn9BCuY2g==, figureFileBig=Kmg4GmjG6iDYcfiZEf8fPQ==, tableContent=null), ArticleFig(id=1322907583501173246, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=CN, label=图3, caption=
S8时步典型剖面岩层主应力云图, figureFileSmall=0N/7+gG41NwIIUn9BCuY2g==, figureFileBig=Kmg4GmjG6iDYcfiZEf8fPQ==, tableContent=null), ArticleFig(id=1322907583924797951, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=EN, label=Fig.4, caption=
Plastic zone distribution of weathered layers and quaternary at S8 time step, figureFileSmall=WKr+MFZiWCSGnhHVLqoeOw==, figureFileBig=AJq4lmeYwVPqQUx99P5HZQ==, tableContent=null), ArticleFig(id=1322907584386171392, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=CN, label=图4, caption=
S8时步风化层与第四系塑性区分布, figureFileSmall=WKr+MFZiWCSGnhHVLqoeOw==, figureFileBig=AJq4lmeYwVPqQUx99P5HZQ==, tableContent=null), ArticleFig(id=1322907586063892993, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=EN, label=Fig.5, caption=
Displacement cloud maps of faults at S4 time step, figureFileSmall=HZqz3mNb9Lu1Wupf6xZ8bA==, figureFileBig=14GFIrgSvA/EAT6/e525dg==, tableContent=null), ArticleFig(id=1322907586147779074, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=CN, label=图5, caption=
S4时步断层位移云图, figureFileSmall=HZqz3mNb9Lu1Wupf6xZ8bA==, figureFileBig=14GFIrgSvA/EAT6/e525dg==, tableContent=null), ArticleFig(id=1322907586453963267, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=EN, label=Fig.6, caption=
Displacement cloud maps of pillars at S4 time step, figureFileSmall=B97nKWaebOpTx4Ye2jsDgw==, figureFileBig=VSmBtX/d9win+tqBv6U3Jw==, tableContent=null), ArticleFig(id=1322907586537849348, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=CN, label=图6, caption=
S4时步矿柱位移云图, figureFileSmall=B97nKWaebOpTx4Ye2jsDgw==, figureFileBig=VSmBtX/d9win+tqBv6U3Jw==, tableContent=null), ArticleFig(id=1322907586865005062, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=EN, label=Fig.7, caption=
Displacement cloud maps of faults at S8 time step, figureFileSmall=xlq4qlu33M1sRwjNjfFXCg==, figureFileBig=tQn3gKKl62tVrK038lQUgg==, tableContent=null), ArticleFig(id=1322907586953085448, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=CN, label=图7, caption=
S8时步断层位移云图, figureFileSmall=xlq4qlu33M1sRwjNjfFXCg==, figureFileBig=tQn3gKKl62tVrK038lQUgg==, tableContent=null), ArticleFig(id=1322907587280241162, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=EN, label=Fig.8, caption=
Displacement cloud maps of pillars at S8 time step, figureFileSmall=WW2o1sbh14787NHuPbKPFg==, figureFileBig=iFLrYEgSLv1y07FAlAwbAg==, tableContent=null), ArticleFig(id=1322907587351544331, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=CN, label=图8, caption=
S8时步矿柱位移云图, figureFileSmall=WW2o1sbh14787NHuPbKPFg==, figureFileBig=iFLrYEgSLv1y07FAlAwbAg==, tableContent=null), ArticleFig(id=1322907587435430412, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=EN, label=Fig.9, caption=
Principal stress cloud maps of faults and pillars at S4 time step, figureFileSmall=zqSBsaLBqaD+uVaSbQvZxA==, figureFileBig=zSpsfBpVanDd7MK+VUgkbQ==, tableContent=null), ArticleFig(id=1322907587779363341, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=CN, label=图9, caption=
S4时步断层与矿柱主应力云图, figureFileSmall=zqSBsaLBqaD+uVaSbQvZxA==, figureFileBig=zSpsfBpVanDd7MK+VUgkbQ==, tableContent=null), ArticleFig(id=1322907588135879182, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=EN, label=Fig.10, caption=
Principal stress cloud maps of faults and pillars at S8 time step, figureFileSmall=/+WKPxKt2C1RP+ohSxkVZQ==, figureFileBig=0VMuVcM8DtHkKlipBtvCdg==, tableContent=null), ArticleFig(id=1322907588261708303, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=CN, label=图10, caption=
S8时步断层与矿柱主应力云图, figureFileSmall=/+WKPxKt2C1RP+ohSxkVZQ==, figureFileBig=0VMuVcM8DtHkKlipBtvCdg==, tableContent=null), ArticleFig(id=1322907588542726672, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=EN, label=Fig.11, caption=
Plastic zone distribution of faults and pillars under different time steps, figureFileSmall=9JGOP2QZIVyPGSHiow0umQ==, figureFileBig=K9Urzg5t5yRdSWy44ifTPw==, tableContent=null), ArticleFig(id=1322907588639195665, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=CN, label=图11, caption=
不同时步断层与矿柱塑性区分布, figureFileSmall=9JGOP2QZIVyPGSHiow0umQ==, figureFileBig=K9Urzg5t5yRdSWy44ifTPw==, tableContent=null), ArticleFig(id=1322907590220448274, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=EN, label=Table 1, caption=
Calculation of safety isolation layer thickness by load transfer intersection line method
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | ln/m | k | φ/(°) | h/m |
|---|
| 1 | 4 | 2.0 | 30 | 6.93 |
| 2 | 4 | 2.0 | 35 | 5.71 |
| 3 | 4 | 3.0 | 30 | 10.39 |
| 4 | 4 | 3.0 | 35 | 8.57 |
| 5 | 15 | 2.0 | 30 | 25.98 |
| 6 | 15 | 2.0 | 35 | 21.42 |
| 7 | 15 | 3.0 | 30 | 38.97 |
| 8 | 15 | 3.0 | 35 | 32.13 |
| 9 | 25 | 2.0 | 30 | 43.30 |
| 10 | 25 | 2.0 | 35 | 35.70 |
| 11 | 25 | 3.0 | 30 | 64.95 |
| 12 | 25 | 3.0 | 35 | 53.56 |
), ArticleFig(id=1322907590295945747, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=CN, label=表1, caption=
荷载传递交汇线法计算安全隔离层厚度
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | ln/m | k | φ/(°) | h/m |
|---|
| 1 | 4 | 2.0 | 30 | 6.93 |
| 2 | 4 | 2.0 | 35 | 5.71 |
| 3 | 4 | 3.0 | 30 | 10.39 |
| 4 | 4 | 3.0 | 35 | 8.57 |
| 5 | 15 | 2.0 | 30 | 25.98 |
| 6 | 15 | 2.0 | 35 | 21.42 |
| 7 | 15 | 3.0 | 30 | 38.97 |
| 8 | 15 | 3.0 | 35 | 32.13 |
| 9 | 25 | 2.0 | 30 | 43.30 |
| 10 | 25 | 2.0 | 35 | 35.70 |
| 11 | 25 | 3.0 | 30 | 64.95 |
| 12 | 25 | 3.0 | 35 | 53.56 |
), ArticleFig(id=1322907590367248917, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=EN, label=Table 2, caption=
Calculation of safety isolation layer thickness by K.B. Rubeznefta method
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | γ/(t/m3) | ln/m | k | σb/MPa | h/m |
|---|
| 1 | 3.37 | 4 | 2.0 | 0.40 | 1.83 |
| 2 | 3.37 | 4 | 2.0 | 0.87 | 1.01 |
| 3 | 3.37 | 4 | 3.0 | 0.40 | 2.75 |
| 4 | 3.37 | 4 | 3.0 | 0.87 | 1.52 |
| 5 | 3.37 | 15 | 2.0 | 0.40 | 12.41 |
| 6 | 3.37 | 15 | 2.0 | 0.87 | 5.78 |
| 7 | 3.37 | 15 | 3.0 | 0.40 | 18.61 |
| 8 | 3.37 | 15 | 3.0 | 0.87 | 8.68 |
| 9 | 3.37 | 25 | 2.0 | 0.40 | 31.26 |
| 10 | 3.37 | 25 | 2.0 | 0.87 | 14.42 |
| 11 | 3.37 | 25 | 3.0 | 0.40 | 46.89 |
| 12 | 3.37 | 25 | 3.0 | 0.87 | 21.63 |
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K.B.鲁别涅依他法计算安全隔离层厚度
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| 序号 | γ/(t/m3) | ln/m | k | σb/MPa | h/m |
|---|
| 1 | 3.37 | 4 | 2.0 | 0.40 | 1.83 |
| 2 | 3.37 | 4 | 2.0 | 0.87 | 1.01 |
| 3 | 3.37 | 4 | 3.0 | 0.40 | 2.75 |
| 4 | 3.37 | 4 | 3.0 | 0.87 | 1.52 |
| 5 | 3.37 | 15 | 2.0 | 0.40 | 12.41 |
| 6 | 3.37 | 15 | 2.0 | 0.87 | 5.78 |
| 7 | 3.37 | 15 | 3.0 | 0.40 | 18.61 |
| 8 | 3.37 | 15 | 3.0 | 0.87 | 8.68 |
| 9 | 3.37 | 25 | 2.0 | 0.40 | 31.26 |
| 10 | 3.37 | 25 | 2.0 | 0.87 | 14.42 |
| 11 | 3.37 | 25 | 3.0 | 0.40 | 46.89 |
| 12 | 3.37 | 25 | 3.0 | 0.87 | 21.63 |
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Calculation of safety isolation layer thickness by caving zone and water-conducting fracture zone calculation method
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| 序号 | /m | hm/m | hd/m | S/m | h/m |
|---|
| 1 | 4 | 4.12 | 15.03 | 15 | 34.15 |
| 2 | 10 | 6.42 | 24.83 | 15 | 46.25 |
), ArticleFig(id=1322907590715376153, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=CN, label=表3, caption=
冒落带和导水裂隙带计算法计算安全隔离层厚度
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | /m | hm/m | hd/m | S/m | h/m |
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| 1 | 4 | 4.12 | 15.03 | 15 | 34.15 |
| 2 | 10 | 6.42 | 24.83 | 15 | 46.25 |
), ArticleFig(id=1322907590790873626, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=EN, label=Table 4, caption=
Mechanical parameters of rock-soil layers and filling body
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| 名称 | 容重/(kN/m3) | 弹性模量/GPa | 泊松比 | 黏聚力/MPa | 内摩擦角/(°) |
|---|
| 第四系 | 18.1 | 0.15 | 0.35 | 0.21 | 23 |
| 风化层 | 19.4 | 0.18 | 0.34 | 0.23 | 25 |
| 断层破碎带 | 20.5 | 0.30 | 0.32 | 0.25 | 27 |
| 矿石 | 33.7 | 8.00 | 0.24 | 4.02 | 38 |
| 岩石 | 27.2 | 4.00 | 0.28 | 2.32 | 35 |
| 一步采充填体 | 18.2 | 0.52 | 0.31 | 0.45 | 28 |
| 二步采充填体 | 17.5 | 0.16 | 0.33 | 0.17 | 24 |
), ArticleFig(id=1322907590887342619, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322907531646992788, language=CN, label=表4, caption=
岩土层与充填体力学参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 容重/(kN/m3) | 弹性模量/GPa | 泊松比 | 黏聚力/MPa | 内摩擦角/(°) |
|---|
| 第四系 | 18.1 | 0.15 | 0.35 | 0.21 | 23 |
| 风化层 | 19.4 | 0.18 | 0.34 | 0.23 | 25 |
| 断层破碎带 | 20.5 | 0.30 | 0.32 | 0.25 | 27 |
| 矿石 | 33.7 | 8.00 | 0.24 | 4.02 | 38 |
| 岩石 | 27.2 | 4.00 | 0.28 | 2.32 | 35 |
| 一步采充填体 | 18.2 | 0.52 | 0.31 | 0.45 | 28 |
| 二步采充填体 | 17.5 | 0.16 | 0.33 | 0.17 | 24 |
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