Article(id=1322595297788801474, 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=1733328000000, receivedDateStr=2024-12-05, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793260891625, onlineDateStr=2026-10-29, pubDate=1742832000000, pubDateStr=2025-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793260891625, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793260891625, creator=13701087609, updateTime=1793260891625, 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=83, endPage=90, ext={EN=ArticleExt(id=1322595298011099587, articleId=1322595297788801474, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Research on Safety Thickness of Goaf Roof Based on Cusp Mutation Theory, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=
The traditional theoretical methods mostly use semi-quantitatively to analyze the safety thickness of the goaf roof, which can not fully reflect the stress and failure mode of the roof. Therefore, the cusp mutation theory was introduced to study the safety thickness of the goaf roof, the research model of the safety thickness of the roof was established, and the formula of the minimum safety thickness of the roof was derived. Based on the occurrence status of goaf in Dabaoshan Mine, the theoretical values of safety thickness of goaf roof under different lithology and different span conditions were calculated. Finally, the formula was verified by the traditional theory and the finite element numerical simulation method. The research results show that it is feasible to introduce the cusp mutation theory into the study of the safety thickness of the goaf roof, and the derived formula of the minimum safety thickness of the goaf roof is reasonable and reliable. Under the conditions of the slightly weathered limestone, slightly weathered secondary dacite-porphyry, copper-sulfur ore body, and sandstone-rock group in Dabaoshan Mine, the safety thickness of the goaf roof calculated based on the cusp mutation theory is 7.3 m, 12.5 m, 9.5 m, and 22.1 m, respectively, which can be used as the basis for on-site goaf treatment.
, authors=Guangmu CHEN
1, Chunhui SUN
2, 3, Xing ZHAO
1, Xiaoming NIU
2, 3, Xuejun CHEN
1, Hanqiang FEI
2, 3, Zeng MA
2, 3, authorsList=Guangmu CHEN, Chunhui SUN, Xing ZHAO, Xiaoming NIU, Xuejun CHEN, Hanqiang FEI, Zeng MA, authorCompany=null, correspAuthors=Chunhui SUN, 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=1322595311458038286, articleId=1322595297788801474, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=基于尖点突变理论的采空区顶板安全厚度的研究, columnId=1226462295417598973, journalTitle=矿业研究与开发, columnName=矿山安全与环保, runingTitle=null, highlight=null, articleAbstract=
传统理论方法多以半定量分析采空区顶板安全厚度,存在不能全面反映顶板受力情况及其破坏模式等问题,为此将尖点突变理论引入采空区顶板安全厚度的研究中,建立了顶板安全厚度研究模型,推导得到了顶板最小安全厚度公式。基于大宝山矿采空区赋存现状,计算得到不同岩性不同跨度条件下采空区顶板安全厚度理论值。最后,采用传统理论与有限元数值模拟的方法对公式进行了验证,研究结果表明:将尖点突变理论引入采空区顶板安全厚度的研究是可行的,推导得到的采空区顶板最小安全厚度公式是合理及可靠的,该矿山微风化灰岩、微风化次应安斑岩、铜硫矿体和砂岩岩组条件下,基于尖点突变理论计算得到的采空区顶板安全厚度分别为7.3 m、12.5 m、9.5 m、22.1 m,可作为现场采空区处置依据。
, authors=陈光木
1, 孙春辉
2, 3, 赵兴
1, 牛小明
2, 3, 陈学军
1, 费汉强
2, 3, 马增
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1.广东省大宝山矿业有限公司,广东 韶关市 512127, bio={"content":"
陈光木(1982—),男,重庆人,正高级工程师,主要从事采矿技术与现场管理方面的研究。E-mail:79716311@qq.com
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陈光木(1982—),男,重庆人,正高级工程师,主要从事采矿技术与现场管理方面的研究。E-mail:79716311@qq.com
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2.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China
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2.长沙矿山研究院有限责任公司,湖南 长沙 410012
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1, address=
1.Guangdong Dabaoshan Mining Co., Ltd., Shaoguan, Guangdong 512127, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322595905417622516, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, authorId=1322595905275016177, language=CN, stringName=赵兴, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.广东省大宝山矿业有限公司,广东 韶关市 512127, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322595904490681308, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, xref=1., ext=[AuthorCompanyExt(id=1322595904499069917, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, companyId=1322595904490681308, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.Guangdong Dabaoshan Mining Co., Ltd., Shaoguan, Guangdong 512127, China), AuthorCompanyExt(id=1322595904507458526, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, companyId=1322595904490681308, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.广东省大宝山矿业有限公司,广东 韶关市 512127)])]), Author(id=1322595905476342774, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, 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=1322595905564423161, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, authorId=1322595905476342774, language=EN, stringName=Xiaoming NIU, firstName=Xiaoming, middleName=null, lastName=NIU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China
3.State Key Laboratory of Safety Technology of Metal Mines, Changsha, Hunan 410012, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322595905635726330, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, authorId=1322595905476342774, language=CN, stringName=牛小明, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.长沙矿山研究院有限责任公司,湖南 长沙 410012
3.金属矿山安全技术国家重点实验室,湖南 长沙 410012, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322595904574567391, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, xref=2., ext=[AuthorCompanyExt(id=1322595904582956000, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, companyId=1322595904574567391, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.Guangdong Dabaoshan Mining Co., Ltd., Shaoguan, Guangdong 512127, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322595905878995967, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, authorId=1322595905707029500, language=CN, stringName=陈学军, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.广东省大宝山矿业有限公司,广东 韶关市 512127, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322595904490681308, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, xref=1., ext=[AuthorCompanyExt(id=1322595904499069917, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, companyId=1322595904490681308, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China
3.State Key Laboratory of Safety Technology of Metal Mines, Changsha, Hunan 410012, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322595906105487364, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, authorId=1322595905958686720, language=CN, stringName=费汉强, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.长沙矿山研究院有限责任公司,湖南 长沙 410012
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1.Guangdong Dabaoshan Mining Co., Ltd., Shaoguan, Guangdong 512127, China), AuthorCompanyExt(id=1322595904507458526, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, companyId=1322595904490681308, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.广东省大宝山矿业有限公司,广东 韶关市 512127)]), AuthorCompany(id=1322595904574567391, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, xref=2., ext=[AuthorCompanyExt(id=1322595904582956000, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, companyId=1322595904574567391, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Changsha Institute of Mining Research Co., Ltd., Changsha, Hunan 410012, China), AuthorCompanyExt(id=1322595904591344609, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, companyId=1322595904574567391, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.长沙矿山研究院有限责任公司,湖南 长沙 410012)]), AuthorCompany(id=1322595904675230690, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, xref=3., ext=[AuthorCompanyExt(id=1322595904683619299, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, companyId=1322595904675230690, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.State Key Laboratory of Safety Technology of Metal Mines, Changsha, Hunan 410012, China), AuthorCompanyExt(id=1322595904696202212, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, companyId=1322595904675230690, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.金属矿山安全技术国家重点实验室,湖南 长沙 410012)])], figs=[ArticleFig(id=1322595907158257683, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, language=EN, label=Fig.1, caption=
Forking set and equilibrium surface diagram of cusp mutation model, figureFileSmall=JK8b0Bdlf+oKo866w69ntA==, figureFileBig=F2FMrTlCj7MkyhbuqQqcbg==, tableContent=null), ArticleFig(id=1322595907225366548, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, language=CN, label=图1, caption=
尖点突变模型分叉集和平衡曲面, figureFileSmall=JK8b0Bdlf+oKo866w69ntA==, figureFileBig=F2FMrTlCj7MkyhbuqQqcbg==, tableContent=null), ArticleFig(id=1322595908919865365, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, language=EN, label=Fig.2, caption=
Research model of goaf roof thickness, figureFileSmall=WOK3ZcI88hFjoy1EWn06jA==, figureFileBig=QszpeGYNIkpXy8lWqCgWYQ==, tableContent=null), ArticleFig(id=1322595908986974230, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, language=CN, label=图2, caption=
采空区顶板厚度研究模型, figureFileSmall=WOK3ZcI88hFjoy1EWn06jA==, figureFileBig=QszpeGYNIkpXy8lWqCgWYQ==, tableContent=null), ArticleFig(id=1322595909049888791, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, language=EN, label=Fig.3, caption=
Comparison of roof safety thickness values between traditional theory and cusp mutation theory, figureFileSmall=ELsvK3dxOMwgjvOoDdeqJw==, figureFileBig=vNi26iE0ErSt/d6Cxr56/w==, tableContent=null), ArticleFig(id=1322595909116997656, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, language=CN, label=图3, caption=
传统理论与基于尖点突变理论下顶板安全厚度数值对比, figureFileSmall=ELsvK3dxOMwgjvOoDdeqJw==, figureFileBig=vNi26iE0ErSt/d6Cxr56/w==, tableContent=null), ArticleFig(id=1322595909179912217, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, language=EN, label=Fig.4, caption=
Finite element calculation results of each goaf, figureFileSmall=P9G9TW1kBoqDffW+QQcaeA==, figureFileBig=RzrFhVRO/AD+gtVbyuf+jQ==, tableContent=null), ArticleFig(id=1322595909234438171, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, language=CN, label=图4, caption=
各采空区有限元计算结果, figureFileSmall=P9G9TW1kBoqDffW+QQcaeA==, figureFileBig=RzrFhVRO/AD+gtVbyuf+jQ==, tableContent=null), ArticleFig(id=1322595909305741340, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, language=EN, label=Table 1, caption=
Mechanical parameters of rock mass
, figureFileSmall=null, figureFileBig=null, tableContent=
| 岩性 | 容重γ/(kN/m3) | 弹性模量E/MPa | 泊松比μ | 黏聚力c/MPa | 内摩擦角φ/(°) | 抗拉强度Rm/MPa |
|---|
| 微风化灰岩 | 29.45 | 6 009.310 | 0.207 | 0.427 | 36.8 | 0.631 |
| 微风化次英安斑岩 | 28.28 | 6 934.730 | 0.230 | 0.497 | 38.4 | 0.712 |
| 铜硫矿体 | 32.20 | 7 451.520 | 0.182 | 0.478 | 32.4 | 0.897 |
| 砂岩 | 27.77 | 2 439.230 | 0.240 | 0.310 | 29.0 | 0.398 |
), ArticleFig(id=1322595909372850205, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, language=CN, label=表1, caption=
岩体力学参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 岩性 | 容重γ/(kN/m3) | 弹性模量E/MPa | 泊松比μ | 黏聚力c/MPa | 内摩擦角φ/(°) | 抗拉强度Rm/MPa |
|---|
| 微风化灰岩 | 29.45 | 6 009.310 | 0.207 | 0.427 | 36.8 | 0.631 |
| 微风化次英安斑岩 | 28.28 | 6 934.730 | 0.230 | 0.497 | 38.4 | 0.712 |
| 铜硫矿体 | 32.20 | 7 451.520 | 0.182 | 0.478 | 32.4 | 0.897 |
| 砂岩 | 27.77 | 2 439.230 | 0.240 | 0.310 | 29.0 | 0.398 |
), ArticleFig(id=1322595909444153374, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, language=EN, label=Table 2, caption=
Calculation results of safety thickness of goaf roof based on cusp mutation theory
, figureFileSmall=null, figureFileBig=null, tableContent=
| 岩性 | 不同跨度条件下顶板安全厚度/m |
|---|
| 10 m | 15 m | 20 m | 25 m | 30 m | 35 m | 40 m | 45 m | 50 m |
|---|
| 微风化灰岩 | 4.9 | 7.3 | 9.6 | 11.9 | 14.1 | 16.2 | 18.2 | 20.1 | 21.9 |
| 微风化次英安斑岩 | 4.5 | 6.7 | 8.9 | 11.0 | 13.0 | 14.9 | 16.8 | 18.6 | 20.2 |
| 铜硫矿体 | 4.8 | 7.1 | 9.4 | 11.6 | 13.8 | 15.8 | 17.8 | 19.7 | 21.5 |
| 砂岩 | 5.8 | 8.6 | 11.4 | 14.1 | 16.7 | 19.2 | 21.6 | 23.8 | 26.0 |
), ArticleFig(id=1322595909515456543, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, language=CN, label=表2, caption=
基于尖点突变理论的采空区顶板安全厚度计算结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 岩性 | 不同跨度条件下顶板安全厚度/m |
|---|
| 10 m | 15 m | 20 m | 25 m | 30 m | 35 m | 40 m | 45 m | 50 m |
|---|
| 微风化灰岩 | 4.9 | 7.3 | 9.6 | 11.9 | 14.1 | 16.2 | 18.2 | 20.1 | 21.9 |
| 微风化次英安斑岩 | 4.5 | 6.7 | 8.9 | 11.0 | 13.0 | 14.9 | 16.8 | 18.6 | 20.2 |
| 铜硫矿体 | 4.8 | 7.1 | 9.4 | 11.6 | 13.8 | 15.8 | 17.8 | 19.7 | 21.5 |
| 砂岩 | 5.8 | 8.6 | 11.4 | 14.1 | 16.7 | 19.2 | 21.6 | 23.8 | 26.0 |
), ArticleFig(id=1322595909599342624, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, language=EN, label=Table 3, caption=
Calculation results of safety thickness of goaf roof based on traditional theory methods
, figureFileSmall=null, figureFileBig=null, tableContent=
| 岩性 | 传统理论方法 | 不同跨度条件下顶板安全厚度/m |
|---|
| 10 m | 15 m | 20 m | 25 m | 30 m | 35 m | 40 m | 45 m | 50 m |
|---|
| 微风化灰岩 | 荷载传递线交汇法 | 5.8 | 8.7 | 11.5 | 14.4 | 17.3 | 20.2 | 23.1 | 26.0 | 28.9 |
| 厚跨比法 | 5.0 | 7.5 | 10.0 | 12.5 | 15.0 | 17.5 | 20.0 | 22.5 | 25.0 |
| 结构力学梁理论法 | 5.2 | 7.9 | 10.5 | 13.1 | 15.8 | 18.4 | 21.0 | 23.7 | 26.3 |
| 按破裂拱概念估算法 | 7.9 | 8.5 | 9.0 | 9.6 | 10.2 | 10.7 | 11.3 | 11.8 | 12.4 |
| K.B.鲁别涅依他估算法 | 3.6 | 6.0 | 9.3 | 13.5 | 18.6 | 24.6 | 31.5 | 39.3 | 48.0 |
| 均值 | 5.5 | 7.7 | 10.1 | 12.6 | 15.4 | 18.3 | 21.4 | 24.7 | 28.1 |
| 微风化次英安斑岩 | 荷载传递线交汇法 | 5.8 | 8.7 | 11.5 | 14.4 | 17.3 | 20.2 | 23.1 | 26.0 | 28.9 |
| 厚跨比法 | 5.0 | 7.5 | 10.0 | 12.5 | 15.0 | 17.5 | 20.0 | 22.5 | 25.0 |
| 结构力学梁理论法 | 4.9 | 7.4 | 9.9 | 12.2 | 14.8 | 17.3 | 19.8 | 22.3 | 24.8 |
| 按破裂拱概念估算法 | 7.5 | 8.0 | 8.5 | 8.9 | 9.4 | 9.8 | 10.3 | 10.8 | 11.2 |
| K.B.鲁别涅依他估算法 | 3.1 | 4.9 | 7.5 | 10.9 | 14.9 | 19.7 | 25.2 | 31.4 | 38.3 |
| 均值 | 5.3 | 7.3 | 9.5 | 11.8 | 14.3 | 16.9 | 19.7 | 22.6 | 25.6 |
| 铜硫矿体 | 荷载传递线交汇法 | 5.8 | 8.7 | 11.5 | 14.4 | 17.3 | 20.2 | 23.1 | 26.0 | 28.9 |
| 厚跨比法 | 5.0 | 7.5 | 10.0 | 12.5 | 15.0 | 17.5 | 20.0 | 22.5 | 25.0 |
| 结构力学梁理论法 | 4.4 | 6.6 | 8.8 | 11.0 | 13.2 | 15.4 | 17.6 | 19.9 | 22.1 |
| 按破裂拱概念估算法 | 8.1 | 8.7 | 9.3 | 9.9 | 10.4 | 11.0 | 11.6 | 12.2 | 12.7 |
| K.B.鲁别涅依他估算法 | 3.9 | 6.6 | 10.4 | 15.2 | 21.0 | 27.8 | 35.7 | 44.5 | 54.4 |
| 均值 | 5.4 | 7.6 | 10.0 | 12.6 | 15.4 | 18.4 | 21.6 | 25.0 | 28.6 |
| 砂岩 | 荷载传递线交汇法 | 5.8 | 8.7 | 11.5 | 14.4 | 17.3 | 20.2 | 23.1 | 26.0 | 28.9 |
| 厚跨比法 | 5.0 | 7.5 | 10.0 | 12.5 | 15.0 | 17.5 | 20.0 | 22.5 | 25.0 |
| 结构力学梁理论法 | 6.6 | 9.9 | 13.2 | 16.5 | 19.9 | 23.2 | 26.5 | 29.9 | 33.2 |
| 按破裂拱概念估算法 | 7.9 | 8.4 | 8.9 | 9.4 | 9.9 | 10.4 | 10.9 | 11.4 | 11.9 |
| K.B.鲁别涅依他估算法 | 3.2 | 5.2 | 8.0 | 11.6 | 15.9 | 21.0 | 26.8 | 33.4 | 40.8 |
| 均值 | 5.7 | 7.9 | 10.3 | 12.9 | 15.6 | 18.4 | 21.5 | 24.6 | 27.9 |
), ArticleFig(id=1322595909683228705, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, language=CN, label=表3, caption=
基于传统理论方法的采空区顶板安全厚度计算结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 岩性 | 传统理论方法 | 不同跨度条件下顶板安全厚度/m |
|---|
| 10 m | 15 m | 20 m | 25 m | 30 m | 35 m | 40 m | 45 m | 50 m |
|---|
| 微风化灰岩 | 荷载传递线交汇法 | 5.8 | 8.7 | 11.5 | 14.4 | 17.3 | 20.2 | 23.1 | 26.0 | 28.9 |
| 厚跨比法 | 5.0 | 7.5 | 10.0 | 12.5 | 15.0 | 17.5 | 20.0 | 22.5 | 25.0 |
| 结构力学梁理论法 | 5.2 | 7.9 | 10.5 | 13.1 | 15.8 | 18.4 | 21.0 | 23.7 | 26.3 |
| 按破裂拱概念估算法 | 7.9 | 8.5 | 9.0 | 9.6 | 10.2 | 10.7 | 11.3 | 11.8 | 12.4 |
| K.B.鲁别涅依他估算法 | 3.6 | 6.0 | 9.3 | 13.5 | 18.6 | 24.6 | 31.5 | 39.3 | 48.0 |
| 均值 | 5.5 | 7.7 | 10.1 | 12.6 | 15.4 | 18.3 | 21.4 | 24.7 | 28.1 |
| 微风化次英安斑岩 | 荷载传递线交汇法 | 5.8 | 8.7 | 11.5 | 14.4 | 17.3 | 20.2 | 23.1 | 26.0 | 28.9 |
| 厚跨比法 | 5.0 | 7.5 | 10.0 | 12.5 | 15.0 | 17.5 | 20.0 | 22.5 | 25.0 |
| 结构力学梁理论法 | 4.9 | 7.4 | 9.9 | 12.2 | 14.8 | 17.3 | 19.8 | 22.3 | 24.8 |
| 按破裂拱概念估算法 | 7.5 | 8.0 | 8.5 | 8.9 | 9.4 | 9.8 | 10.3 | 10.8 | 11.2 |
| K.B.鲁别涅依他估算法 | 3.1 | 4.9 | 7.5 | 10.9 | 14.9 | 19.7 | 25.2 | 31.4 | 38.3 |
| 均值 | 5.3 | 7.3 | 9.5 | 11.8 | 14.3 | 16.9 | 19.7 | 22.6 | 25.6 |
| 铜硫矿体 | 荷载传递线交汇法 | 5.8 | 8.7 | 11.5 | 14.4 | 17.3 | 20.2 | 23.1 | 26.0 | 28.9 |
| 厚跨比法 | 5.0 | 7.5 | 10.0 | 12.5 | 15.0 | 17.5 | 20.0 | 22.5 | 25.0 |
| 结构力学梁理论法 | 4.4 | 6.6 | 8.8 | 11.0 | 13.2 | 15.4 | 17.6 | 19.9 | 22.1 |
| 按破裂拱概念估算法 | 8.1 | 8.7 | 9.3 | 9.9 | 10.4 | 11.0 | 11.6 | 12.2 | 12.7 |
| K.B.鲁别涅依他估算法 | 3.9 | 6.6 | 10.4 | 15.2 | 21.0 | 27.8 | 35.7 | 44.5 | 54.4 |
| 均值 | 5.4 | 7.6 | 10.0 | 12.6 | 15.4 | 18.4 | 21.6 | 25.0 | 28.6 |
| 砂岩 | 荷载传递线交汇法 | 5.8 | 8.7 | 11.5 | 14.4 | 17.3 | 20.2 | 23.1 | 26.0 | 28.9 |
| 厚跨比法 | 5.0 | 7.5 | 10.0 | 12.5 | 15.0 | 17.5 | 20.0 | 22.5 | 25.0 |
| 结构力学梁理论法 | 6.6 | 9.9 | 13.2 | 16.5 | 19.9 | 23.2 | 26.5 | 29.9 | 33.2 |
| 按破裂拱概念估算法 | 7.9 | 8.4 | 8.9 | 9.4 | 9.9 | 10.4 | 10.9 | 11.4 | 11.9 |
| K.B.鲁别涅依他估算法 | 3.2 | 5.2 | 8.0 | 11.6 | 15.9 | 21.0 | 26.8 | 33.4 | 40.8 |
| 均值 | 5.7 | 7.9 | 10.3 | 12.9 | 15.6 | 18.4 | 21.5 | 24.6 | 27.9 |
), ArticleFig(id=1322595909779697698, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, language=EN, label=Table 4, caption=
Geological information of each goaf
, figureFileSmall=null, figureFileBig=null, tableContent=
| 采空区编号 | 岩性 | 剖面跨度/m | 现状采空区顶板厚度/m | 基于尖点突变理论计算得到采空区顶板安全厚度/m |
|---|
| 12-618 | 微风化灰岩 | 15.0 | 26.3 | 7.3 |
| 72-619 | 微风化次英安斑岩 | 29.3 | 45.2 | 12.5 |
| 35-584 | 铜硫矿体 | 20.4 | 27.5 | 9.5 |
| 6-618 | 砂岩 | 41.4 | 29.8 | 22.1 |
), ArticleFig(id=1322595909863583779, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322595297788801474, language=CN, label=表4, caption=
各采空区地质信息
, figureFileSmall=null, figureFileBig=null, tableContent=
| 采空区编号 | 岩性 | 剖面跨度/m | 现状采空区顶板厚度/m | 基于尖点突变理论计算得到采空区顶板安全厚度/m |
|---|
| 12-618 | 微风化灰岩 | 15.0 | 26.3 | 7.3 |
| 72-619 | 微风化次英安斑岩 | 29.3 | 45.2 | 12.5 |
| 35-584 | 铜硫矿体 | 20.4 | 27.5 | 9.5 |
| 6-618 | 砂岩 | 41.4 | 29.8 | 22.1 |
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