Article(id=1322594617380425730, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322594503278580030, 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=1708444800000, receivedDateStr=2024-02-21, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793260729403, onlineDateStr=2026-10-29, pubDate=1737734400000, pubDateStr=2025-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793260729403, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793260729403, creator=13701087609, updateTime=1793260729403, updator=13701087609, issue=Issue{id=1322594503278580030, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='1', pageStart='1', pageEnd='276', issueExtLink='null', onlineDate='null', pubDate='1737734400000', pubDateStr='2025-01-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793260702199, creator='13701087609', updateTime=1793260702199, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=158, endPage=164, ext={EN=ArticleExt(id=1322594619368525827, articleId=1322594617380425730, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Classification of Rock Mass Quality for the Shanhu Tungsten Mine and Strength Estimation Based on the Hoek-Brown Strength Criteria, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=
The rock mass strength is a key mechanical parameter for the safety and stability analysis of mining engineering. Combined with the key project of small-scale mechanized mining technology in Shanhu Tungsten Mine, based on the detailed investigation of rock mass structural plane, three methods of BQ, Q and RMR were used for classification of rock mass quality and stability evaluation. Then, the rock mass strength was estimated based on quantitative GSI and Hoek-Brown Criteria to obtain accurate and reliable parameters of rock mass strength. The research results are concluded as follows. Firstly, the dominant joint plane strikes NNW-SSE or NW-SE, inclines NE or SW, and the dip angle is large. The volume joint number Jv is 7.07−9.88/m3, the integrity coefficient Kv is 0.55−0.63, and the integrity evaluation is relatively intact. Secondly, the [BQ] value, Q value, and RMR89value of the limestone rock mass are 380.96, 5.58, and 59, respectively, and the grade of rock mass quality is Ⅲ or average. Thirdly, according to the BQ classification results, when the span of roadway or stope is less than 5 m, the surrounding rock can be basically stable. According to the Q classification results, the maximum unsupported span of roadway or stope is about 6.35 m. According to the RMR classification results, when the span of roadway or stope is 5 m, the average standing stability time of surrounding rock can reach 7 days. Finally, based on quantitative GSI and Hoek-Brown criteria, the Hoek-Brown strength parameters and equivalent Mohr-Coulomb strength parameters of limestone rock mass are obtained, which can provide accurate and reliable mechanical parameters for mining design and the stability analysis of rock.
, authors=Xianquan LEI
1, 2, Fuchun LIU
1, 2, Youwei XIONG
1, 2, Jun ZHANG
3, Enyan LIU
1, 2, authorsList=Xianquan LEI, Fuchun LIU, Youwei XIONG, Jun ZHANG, Enyan LIU, 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=1322594624674320432, articleId=1322594617380425730, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=珊瑚钨矿岩体质量分级与基于Hoek-Brown强度准则的岩体强度估计, columnId=1226462295417598973, journalTitle=矿业研究与开发, columnName=矿山安全与环保, runingTitle=null, highlight=null, articleAbstract=
岩体强度是矿山工程安全稳定性分析的关键力学参数。结合珊瑚钨矿小型机械化开采技术攻关项目,在对岩体结构面进行详细调查的基础上,采用BQ、Q和RMR等3种方法进行岩体质量分级与稳定性评价,然后基于定量GSI和Hoek-Brown准则估计岩体强度,获得准确可靠的岩体强度参数。研究结果表明:(1)灰岩岩体的优势节理面走向为NNW-SSE或NW-SE,倾向为NE或SW,倾角较大,体积节理数Jv为7.07~9.88条/m3,完整性系数Kv为0.55~0.63,岩体总体较完整;(2)灰岩岩体的[BQ]值、Q值和RMR89值分别为380.96, 5.58和59,岩体质量等级为Ⅲ级或一般;(3)根据BQ分级结果,当巷道或采场跨度小于5 m时,围岩可基本稳定;根据Q分级结果,巷道或采场的最大不支护跨度约为6.35 m;根据RMR分级结果,当巷道或采场跨度为5 m时,围岩平均自立稳定时间可达7 d;(4)基于定量GSI和Hoek-Brown准则估计岩体强度,获得了灰岩岩体的Hoek-Brown强度参数和等效Mohr-Coulomb强度参数,为采矿设计和岩体稳定性分析提供了准确可靠的力学参数。
, authors=雷显权
1, 2, 刘福春
1, 2, 熊有为
1, 2, 张军
3, 刘恩彦
1, 2, authorsList=雷显权, 刘福春, 熊有为, 张军, 刘恩彦, authorCompany=null, correspAuthors=null, authorNote=
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1, 2, address=
1.CINF Engineering Co., Ltd., Changsha, Hunan 410019, China
2.Hunan Provincial Engineering Research Center for Safe and Efficient Mining Technology of Deep Mines, Changsha, Hunan 410019, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322594625337020479, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, authorId=1322594625198608443, language=CN, stringName=雷显权, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.长沙有色冶金设计研究院有限公司,湖南 长沙 410019
2.深井矿山安全高效开采技术湖南省工程研究中心,湖南 长沙 410019, bio={"content":"
雷显权(1985—),男,河南信阳人,博士,正高级工程师,主要从事矿山地质及岩石力学方面的研究工作。E-mail:xqlei_11@163.com
"}, bioImg=null, bioContent=
雷显权(1985—),男,河南信阳人,博士,正高级工程师,主要从事矿山地质及岩石力学方面的研究工作。E-mail:xqlei_11@163.com
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1.CINF Engineering Co., Ltd., Changsha, Hunan 410019, China
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1, 2, address=
1.长沙有色冶金设计研究院有限公司,湖南 长沙 410019
2.深井矿山安全高效开采技术湖南省工程研究中心,湖南 长沙 410019, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322594624921784369, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, xref=1., ext=[AuthorCompanyExt(id=1322594624934367282, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, companyId=1322594624921784369, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.长沙有色冶金设计研究院有限公司,湖南 长沙 410019)]), AuthorCompany(id=1322594625009864756, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, xref=2., ext=[AuthorCompanyExt(id=1322594625018253365, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, companyId=1322594625009864756, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Hunan Provincial Engineering Research Center for Safe and Efficient Mining Technology of Deep Mines, Changsha, Hunan 410019, China), AuthorCompanyExt(id=1322594625026641974, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, companyId=1322594625009864756, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.深井矿山安全高效开采技术湖南省工程研究中心,湖南 长沙 410019)])]), Author(id=1322594625647398983, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322594625735479370, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, authorId=1322594625647398983, language=EN, stringName=Youwei XIONG, firstName=Youwei, middleName=null, lastName=XIONG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.CINF Engineering Co., Ltd., Changsha, Hunan 410019, China
2.Hunan Provincial Engineering Research Center for Safe and Efficient Mining Technology of Deep Mines, Changsha, Hunan 410019, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322594625790005323, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, authorId=1322594625647398983, language=CN, stringName=熊有为, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.长沙有色冶金设计研究院有限公司,湖南 长沙 410019
2.深井矿山安全高效开采技术湖南省工程研究中心,湖南 长沙 410019, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322594624921784369, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, xref=1., ext=[AuthorCompanyExt(id=1322594624934367282, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, companyId=1322594624921784369, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.长沙有色冶金设计研究院有限公司,湖南 长沙 410019)]), AuthorCompany(id=1322594625009864756, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, xref=2., ext=[AuthorCompanyExt(id=1322594625018253365, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, companyId=1322594625009864756, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.深井矿山安全高效开采技术湖南省工程研究中心,湖南 长沙 410019)])]), Author(id=1322594625848725581, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322594625911640143, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, authorId=1322594625848725581, language=EN, stringName=Jun ZHANG, firstName=Jun, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.Guangxi Guihuacheng Co., Ltd., Hezhou, Guangxi 542611, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322594625970360400, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, authorId=1322594625848725581, language=CN, stringName=张军, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.广西桂华成有限责任公司,广西 贺州市 542611, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322594625102139447, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, xref=3., ext=[AuthorCompanyExt(id=1322594625110528056, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, companyId=1322594625102139447, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3.广西桂华成有限责任公司,广西 贺州市 542611)])]), Author(id=1322594626037469266, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, orderNo=4, 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=1322594626117161045, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, authorId=1322594626037469266, language=EN, stringName=Enyan LIU, firstName=Enyan, middleName=null, lastName=LIU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.CINF Engineering Co., Ltd., Changsha, Hunan 410019, China
2.Hunan Provincial Engineering Research Center for Safe and Efficient Mining Technology of Deep Mines, Changsha, Hunan 410019, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322594626171686998, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, authorId=1322594626037469266, language=CN, stringName=刘恩彦, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.长沙有色冶金设计研究院有限公司,湖南 长沙 410019
2.深井矿山安全高效开采技术湖南省工程研究中心,湖南 长沙 410019, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322594624921784369, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, xref=1., ext=[AuthorCompanyExt(id=1322594624934367282, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, companyId=1322594624921784369, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.长沙有色冶金设计研究院有限公司,湖南 长沙 410019)]), AuthorCompany(id=1322594625009864756, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, xref=2., ext=[AuthorCompanyExt(id=1322594625018253365, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, companyId=1322594625009864756, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3.广西桂华成有限责任公司,广西 贺州市 542611)])], figs=[ArticleFig(id=1322594628499525727, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, language=EN, label=Fig.1, caption=
Test stope of the new technology, figureFileSmall=Q5qU7uyEhGJRemjbbgTJDw==, figureFileBig=SnAOoRYt51wVRBUKcCThYg==, tableContent=null), ArticleFig(id=1322594628570828896, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, language=CN, label=图1, caption=
新工艺试验采场, figureFileSmall=Q5qU7uyEhGJRemjbbgTJDw==, figureFileBig=SnAOoRYt51wVRBUKcCThYg==, tableContent=null), ArticleFig(id=1322594628742795361, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, language=EN, label=Fig.2, caption=
Stereo-projection maps of structural planes of rock mass, figureFileSmall=3dqHQJrmBZl/h8egd1hoPg==, figureFileBig=yqC7KwI5DcaAfJD3odts2Q==, tableContent=null), ArticleFig(id=1322594628818292834, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, language=CN, label=图2, caption=
岩体结构面赤平投影图, figureFileSmall=3dqHQJrmBZl/h8egd1hoPg==, figureFileBig=yqC7KwI5DcaAfJD3odts2Q==, tableContent=null), ArticleFig(id=1322594628897984611, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, language=EN, label=Fig.3, caption=
Fitting results of equivalent M-C strength and H-B strength, figureFileSmall=f4Co1TRIHimvSQ0m+1z3cA==, figureFileBig=qUbQmjiuXnFvIQCUuyIA2w==, tableContent=null), ArticleFig(id=1322594628965093476, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, language=CN, label=图3, caption=
等效M-C强度与H-B强度拟合结果, figureFileSmall=f4Co1TRIHimvSQ0m+1z3cA==, figureFileBig=qUbQmjiuXnFvIQCUuyIA2w==, tableContent=null), ArticleFig(id=1322594629028008037, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, language=EN, label=Table 1, caption=
Physical and mechanical parameters of surrounding rock
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| 取样位置 | 试样编号 | 密度ρ/(kg·m-3) | 弹性模量E/GPa | 泊松比v | 单轴抗压强度σc/MPa |
|---|
| 上盘 | A-1 | 2 668 | 21.88 | 0.21 | 132.96 |
| A-2 | 2 662 | 25.18 | 0.23 | 194.51 |
| A-3 | 2 794 | 20.02 | 0.27 | 128.38 |
| 下盘 | B-1 | 2 839 | 22.43 | 0.25 | 161.35 |
| B-2 | 2 761 | 14.11 | 0.31 | 66.99 |
| B-3 | 2 792 | 19.31 | 0.24 | 144.34 |
| 平均 | 2 753 | 20.49 | 0.25 | 138.09 |
), ArticleFig(id=1322594629107699814, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, language=CN, label=表1, caption=
围岩物理力学参数
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| 取样位置 | 试样编号 | 密度ρ/(kg·m-3) | 弹性模量E/GPa | 泊松比v | 单轴抗压强度σc/MPa |
|---|
| 上盘 | A-1 | 2 668 | 21.88 | 0.21 | 132.96 |
| A-2 | 2 662 | 25.18 | 0.23 | 194.51 |
| A-3 | 2 794 | 20.02 | 0.27 | 128.38 |
| 下盘 | B-1 | 2 839 | 22.43 | 0.25 | 161.35 |
| B-2 | 2 761 | 14.11 | 0.31 | 66.99 |
| B-3 | 2 792 | 19.31 | 0.24 | 144.34 |
| 平均 | 2 753 | 20.49 | 0.25 | 138.09 |
), ArticleFig(id=1322594629204168807, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, language=EN, label=Table 2, caption=
Investigation results of structural plane characteristics of rock mass
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| 中段位置 | 埋深/m | 岩性 | 层面产状 | 优势节理面产状 | 节理间距/m | 节理迹长/m | 体积节理数Jv/(条·m-3) | 完整性系数Kv |
|---|
| 倾向/(°) | 倾角/(°) | 倾向/(°) | 倾角/(°) |
|---|
| -55 m | 0#穿脉 | 280 | 125 | 56 | 281 | 32 | 0.08~0.64 | 0.42~2.80 | 7.07 | 0.63 |
| -55 m | 2#穿脉 | 280 | 121 | 27 | 59 | 67 | 0.11~0.48 | 0.45~2.01 | 8.41 | 0.60 |
| -105 m | 6#穿脉 | 330 | 128 | 52 | 72 | 71 | 0.09~0.51 | 0.53~1.64 | 8.76 | 0.59 |
| -105 m | 8#穿脉 | 330 | 138 | 66 | 53 | 72 | 0.07~0.65 | 0.38~2.56 | 7.67 | 0.62 |
| -155 m | 0#穿脉 | 380 | 132 | 55 | 56 | 76 | 0.13~0.47 | 0.29~2.24 | 9.88 | 0.55 |
| -155 m | 2#穿脉 | 380 | 126 | 50 | 249 | 85 | 0.12~0.56 | 0.54~1.50 | 8.05 | 0.61 |
), ArticleFig(id=1322594629275471976, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, language=CN, label=表2, caption=
岩体结构面特征调查结果
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| 中段位置 | 埋深/m | 岩性 | 层面产状 | 优势节理面产状 | 节理间距/m | 节理迹长/m | 体积节理数Jv/(条·m-3) | 完整性系数Kv |
|---|
| 倾向/(°) | 倾角/(°) | 倾向/(°) | 倾角/(°) |
|---|
| -55 m | 0#穿脉 | 280 | 125 | 56 | 281 | 32 | 0.08~0.64 | 0.42~2.80 | 7.07 | 0.63 |
| -55 m | 2#穿脉 | 280 | 121 | 27 | 59 | 67 | 0.11~0.48 | 0.45~2.01 | 8.41 | 0.60 |
| -105 m | 6#穿脉 | 330 | 128 | 52 | 72 | 71 | 0.09~0.51 | 0.53~1.64 | 8.76 | 0.59 |
| -105 m | 8#穿脉 | 330 | 138 | 66 | 53 | 72 | 0.07~0.65 | 0.38~2.56 | 7.67 | 0.62 |
| -155 m | 0#穿脉 | 380 | 132 | 55 | 56 | 76 | 0.13~0.47 | 0.29~2.24 | 9.88 | 0.55 |
| -155 m | 2#穿脉 | 380 | 126 | 50 | 249 | 85 | 0.12~0.56 | 0.54~1.50 | 8.05 | 0.61 |
), ArticleFig(id=1322594629359358057, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, language=EN, label=Table 3, caption=
BQ classification results of rock mass quality
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| Rc/MPa | Kv | K1 | K2 | K3 | BQ | [BQ] | 质量级别 |
|---|
| 138.09 | 0.598 | 0 | 0.6 | 0.5 | 490.96 | 380.96 | Ⅲ |
), ArticleFig(id=1322594629434855530, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, language=CN, label=表3, caption=
岩体质量BQ分级结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| Rc/MPa | Kv | K1 | K2 | K3 | BQ | [BQ] | 质量级别 |
|---|
| 138.09 | 0.598 | 0 | 0.6 | 0.5 | 490.96 | 380.96 | Ⅲ |
), ArticleFig(id=1322594629518741611, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, language=EN, label=Table 4, caption=
Q-system classification results of rock mass quality
, figureFileSmall=null, figureFileBig=null, tableContent=
| RQD/% | Jn | Jr | Ja | Jw | SRF | Q | 质量描述 |
|---|
| 89.24 | 12 | 1.5 | 2 | 1 | 1 | 5.58 | 一般 |
), ArticleFig(id=1322594629602627692, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, language=CN, label=表4, caption=
岩体质量Q系统分级结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| RQD/% | Jn | Jr | Ja | Jw | SRF | Q | 质量描述 |
|---|
| 89.24 | 12 | 1.5 | 2 | 1 | 1 | 5.58 | 一般 |
), ArticleFig(id=1322594629699096685, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, language=EN, label=Table 5, caption=
RMR classification results of rock mass quality
, figureFileSmall=null, figureFileBig=null, tableContent=
| R1 | R2 | R3 | R4 | R5 | R6 | RMR89 | 质量级别 | 质量描述 |
|---|
| 12 | 17 | 8 | 20 | 7 | -5 | 59 | Ⅲ | 一般 |
), ArticleFig(id=1322594629778788462, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, language=CN, label=表5, caption=
岩体质量 RMR 分级结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| R1 | R2 | R3 | R4 | R5 | R6 | RMR89 | 质量级别 | 质量描述 |
|---|
| 12 | 17 | 8 | 20 | 7 | -5 | 59 | Ⅲ | 一般 |
), ArticleFig(id=1322594629879451759, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, language=EN, label=Table 6, caption=
Results of parameter estimation of rock mass strength
, figureFileSmall=null, figureFileBig=null, tableContent=
| 弹性模量Ei/GPa | 泊松比v | 完整岩块单轴抗压强度σci/MPa | 地质强度指标GSI | 扰动因子D | H-B常数 | 拟合斜率k | 拟合截距b | 岩体黏聚力c/MPa | 岩体内摩擦角φ/(°) | 岩体抗压强度σcm/MPa | 岩体变形模量Em/GPa |
|---|
| mi | mb | s | a |
|---|
| 20.49 | 0.25 | 138.09 | 59.47 | 0.0 | 9 | 2.116 42 | 0.011 07 | 0.502 95 | 6.031 4 | 16.919 4 | 3.44 | 45.69 | 28.44 | 10.41 |
| | | | 0.5 | 9 | 1.306 33 | 0.004 50 | 0.502 95 | 5.164 1 | 11.674 5 | 2.57 | 42.50 | 21.79 | 5.41 |
| | | | 1.0 | 9 | 0.497 69 | 0.001 17 | 0.502 95 | 3.661 4 | 6.514 6 | 1.70 | 34.82 | 13.22 | 2.42 |
), ArticleFig(id=1322594629954949232, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594617380425730, language=CN, label=表6, caption=
灰岩岩体强度参数估计结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 弹性模量Ei/GPa | 泊松比v | 完整岩块单轴抗压强度σci/MPa | 地质强度指标GSI | 扰动因子D | H-B常数 | 拟合斜率k | 拟合截距b | 岩体黏聚力c/MPa | 岩体内摩擦角φ/(°) | 岩体抗压强度σcm/MPa | 岩体变形模量Em/GPa |
|---|
| mi | mb | s | a |
|---|
| 20.49 | 0.25 | 138.09 | 59.47 | 0.0 | 9 | 2.116 42 | 0.011 07 | 0.502 95 | 6.031 4 | 16.919 4 | 3.44 | 45.69 | 28.44 | 10.41 |
| | | | 0.5 | 9 | 1.306 33 | 0.004 50 | 0.502 95 | 5.164 1 | 11.674 5 | 2.57 | 42.50 | 21.79 | 5.41 |
| | | | 1.0 | 9 | 0.497 69 | 0.001 17 | 0.502 95 | 3.661 4 | 6.514 6 | 1.70 | 34.82 | 13.22 | 2.42 |
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