Article(id=1175385805112619447, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1175385799072821512, articleNumber=1671-1807(2025)15-0030-07, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1739721600000, receivedDateStr=2025-02-17, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1758163413551, onlineDateStr=2025-09-18, pubDate=1754755200000, pubDateStr=2025-08-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1758163413551, onlineIssueDateStr=2025-09-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1758163413551, creator=13701087609, updateTime=1758163413551, updator=13701087609, issue=Issue{id=1175385799072821512, tenantId=1146029695717560320, journalId=1146123222451335185, year='2025', volume='25', issue='15', pageStart='1', pageEnd='331', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=0, createTime=1758163412111, creator=13701087609, updateTime=1758163801470, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1175387432229941342, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1175385799072821512, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1175387432229941343, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1175385799072821512, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=30, endPage=36, ext={EN=ArticleExt(id=1175385805775319499, articleId=1175385805112619447, tenantId=1146029695717560320, journalId=1146123222451335185, language=EN, title=Effect of Different Bolt Lengths on Roadway Support Based on FLAC3D Simulation, columnId=1151876674645226399, journalTitle=Science Technology and Industry, columnName=Technology Innovation, runingTitle=null, highlight=null, articleAbstract=
In order to solve the influence of bolt length on roadway support under different geological and mining conditions, using FLAC3D numerical simulation software, the numerical simulation research of tunnel support effect of 1.6, 1.8, 2.0, 2.2 and 2.4 m different bolt lengths was carried out. Through five bolt-length support schemes, the stress change and displacement deformation rule of roadway under each scheme were analyzed, and the optimal bolt-length was obtained. The results show that the change of bolt length affects the displacement and deformation of roadway after excavation. When the diameter of the bolt is constant and the length is 2.2 m, the deformation of the roadway surrounding rock is small, and the shear failure in the plastic zone is minimal. Through the comparison of several schemes, it is found that the roadway support effect is best when the length of bolt is 2.2 m.
, 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, authorCompany=null, fund=null, authors=null, authorsList=Jie CHEN), CN=ArticleExt(id=1175386061879521891, articleId=1175385805112619447, tenantId=1146029695717560320, journalId=1146123222451335185, language=CN, title=基于FLAC3D模拟的不同锚杆长度对巷道支护效果的影响, columnId=1151876674787832737, journalTitle=科技和产业, columnName=科技创新, runingTitle=null, highlight=null, articleAbstract=为解决不同地质和开采条件下锚杆长度对巷道支护效果的影响,运用FLAC3D数值模拟软件,对1.6、1.8、2.0、2.2、2.4 m 5种不同锚杆长度进行巷道支护效果的数值模拟研究。通过5种锚杆长度的支护方案,分析各方案支护下巷道应力变化和位移变形量规律,得出最佳锚杆长度。结果表明,锚杆长度变化影响开挖后巷道位移变形量,锚杆直径不变、长度为2.2 m时,巷道围岩变形量较小,塑性区发生的剪切破坏也最小。通过几种方案的比较,发现锚杆长度为2.2 m时巷道支护效果最佳。, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=uiGzkt7Llkk0UNjrjNVLjQ==, magXml=t4Kofs1RcRVw+0FwBP52Tw==, pdfUrl=null, pdf=Aih6c3C9v6mx6HhSLS8yVA==, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=f14EnQrtjAQjvxjBQ4fodw==, mapNumber=null, authorCompany=null, fund=null, authors=
陈杰(1985—),男,山西晋城人,助理工程师,研究方向为巷道支护。
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陈杰(1985—),男,山西晋城人,助理工程师,研究方向为巷道支护。
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15(1): 37-65., articleTitle=Mechanical behaviors of coal measures and ground control technologies for China's deep coal mines: a review, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1176928540990780327, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805112619447, xref=null, ext=[AuthorCompanyExt(id=1176928540999168936, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805112619447, companyId=1176928540990780327, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Jinneng Holding Equipment Manufacturing Group Co., Ltd. Sihe Coal Mine, Jincheng 030600, Shanxi, China), AuthorCompanyExt(id=1176928541007557545, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805112619447, companyId=1176928540990780327, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=晋能控股装备制造集团有限公司寺河煤矿, 山西 晋城 030600)])], figs=[ArticleFig(id=1176928542098076601, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805112619447, language=EN, label=null, caption=null, figureFileSmall=yypYUB2+jLggdGbNa/UqPQ==, figureFileBig=uWtU9EX/yYl6AZXFvWhVAQ==, tableContent=null), ArticleFig(id=1176928542152602554, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805112619447, language=CN, label=图1, caption=
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锚杆长度为1.6 m时模拟结果, figureFileSmall=8yxuk1oC6a6ZsTeDnllkwA==, figureFileBig=g4R9kSP6FTaQwbKtMaUJTg==, tableContent=null), ArticleFig(id=1176928542328763325, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805112619447, language=EN, label=null, caption=null, figureFileSmall=MzmMKrM+qk7NkTS0AxUYtQ==, figureFileBig=eF7XdCy7w++g1ktKrQR0Tg==, tableContent=null), ArticleFig(id=1176928542404260798, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805112619447, language=CN, label=图3, caption=
锚杆长度为1.8 m时模拟结果, figureFileSmall=MzmMKrM+qk7NkTS0AxUYtQ==, figureFileBig=eF7XdCy7w++g1ktKrQR0Tg==, tableContent=null), ArticleFig(id=1176928542458786751, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805112619447, language=EN, label=null, caption=null, figureFileSmall=PDuBNiWhgahhX46p/nJxZQ==, figureFileBig=0p5Ta42oFoKZpSOBkp5hFw==, tableContent=null), ArticleFig(id=1176928542517507008, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805112619447, language=CN, label=图4, caption=
锚杆长度为2.0 m时模拟结果, figureFileSmall=PDuBNiWhgahhX46p/nJxZQ==, figureFileBig=0p5Ta42oFoKZpSOBkp5hFw==, tableContent=null), ArticleFig(id=1176928542584615873, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805112619447, language=EN, label=null, caption=null, figureFileSmall=qN3neszAD/3t/QyItjp0YQ==, figureFileBig=rF3ltd7CVj32RIqtIyz7uA==, tableContent=null), ArticleFig(id=1176928542643336130, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805112619447, language=CN, label=图5, caption=
锚杆长度为2.2 m时模拟结果, figureFileSmall=qN3neszAD/3t/QyItjp0YQ==, figureFileBig=rF3ltd7CVj32RIqtIyz7uA==, tableContent=null), ArticleFig(id=1176928542697862083, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805112619447, language=EN, label=null, caption=null, figureFileSmall=NCrtVJd9dnHwvhrSFJHBWA==, figureFileBig=fCjzBl/PNTIcJVKHkz7wnQ==, tableContent=null), ArticleFig(id=1176928542764970948, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805112619447, language=CN, label=图6, caption=
锚杆长度为2.4 m时模拟结果, figureFileSmall=NCrtVJd9dnHwvhrSFJHBWA==, figureFileBig=fCjzBl/PNTIcJVKHkz7wnQ==, tableContent=null), ArticleFig(id=1176928542819496901, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805112619447, language=EN, label=null, caption=null, figureFileSmall=sCVBFDJgA8PbaYVIbSndJQ==, figureFileBig=rdulV+gyWy84DlAK3U8YsQ==, tableContent=null), ArticleFig(id=1176928542874022854, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805112619447, language=CN, label=图7, caption=
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| 岩性 | 黏聚力/MPa | 内摩擦角/(°) | 单轴抗压强度/MPa | 弹性模量/GPa | 泊松比 | 抗拉强度/MPa |
| 泥质灰岩 | 12.65 | 45.12 | 74.52 | 21.32 | 0.28 | 10.78 |
| 粉砂岩 | 4.25 | 37.36 | 51.16 | 12.89 | 0.27 | 8.03 |
| 灰岩 | 13.52 | 48.25 | 76.54 | 22.26 | 0.28 | 10.34 |
| 22#煤层 | 0.51 | 51.02 | 7.84 | 3.27 | 0.27 | 1.98 |
| 灰黑页岩 | 8.97 | 37.84 | 52.34 | 16.95 | 0.25 | 7.61 |
| 黏土岩 | 12.36 | 45.25 | 35.24 | 14.43 | 0.29 | 6.94 |
| 灰岩 | 13.52 | 48.24 | 75.98 | 22.31 | 0.28 | 10.36 |
| 23#煤层 | 0.52 | 50.36 | 8.21 | 3.37 | 0.27 | 2.05 |
| 长石砂岩 | 11.64 | 35.34 | 59.28 | 18.53 | 0.29 | 10.43 |
| 粉砂岩 | 4.23 | 38.35 | 51.18 | 12.93 | 0.27 | 8.12 |
| 24#煤层 | 0.54 | 49.88 | 7.98 | 3.32 | 0.27 | 2.12 |
| 黏土岩 | 12.35 | 45.28 | 35.21 | 14.46 | 0.29 | 6.98 |
), ArticleFig(id=1176928543004046280, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805112619447, language=CN, label=表1, caption=
地层力学参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 岩性 | 黏聚力/MPa | 内摩擦角/(°) | 单轴抗压强度/MPa | 弹性模量/GPa | 泊松比 | 抗拉强度/MPa |
| 泥质灰岩 | 12.65 | 45.12 | 74.52 | 21.32 | 0.28 | 10.78 |
| 粉砂岩 | 4.25 | 37.36 | 51.16 | 12.89 | 0.27 | 8.03 |
| 灰岩 | 13.52 | 48.25 | 76.54 | 22.26 | 0.28 | 10.34 |
| 22#煤层 | 0.51 | 51.02 | 7.84 | 3.27 | 0.27 | 1.98 |
| 灰黑页岩 | 8.97 | 37.84 | 52.34 | 16.95 | 0.25 | 7.61 |
| 黏土岩 | 12.36 | 45.25 | 35.24 | 14.43 | 0.29 | 6.94 |
| 灰岩 | 13.52 | 48.24 | 75.98 | 22.31 | 0.28 | 10.36 |
| 23#煤层 | 0.52 | 50.36 | 8.21 | 3.37 | 0.27 | 2.05 |
| 长石砂岩 | 11.64 | 35.34 | 59.28 | 18.53 | 0.29 | 10.43 |
| 粉砂岩 | 4.23 | 38.35 | 51.18 | 12.93 | 0.27 | 8.12 |
| 24#煤层 | 0.54 | 49.88 | 7.98 | 3.32 | 0.27 | 2.12 |
| 黏土岩 | 12.35 | 45.28 | 35.21 | 14.46 | 0.29 | 6.98 |
), ArticleFig(id=1176928543066960841, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805112619447, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 锚杆 长度/m | 锚杆 直径/m | 锚杆间距/m |
| 两帮 | 顶板 |
| 方案1 | 1.6 | 0.2 | 1 | 1 |
| 方案2 | 1.8 | 0.2 |
| 方案3 | 2.0 | 0.2 |
| 方案4 | 2.2 | 0.2 |
| 方案5 | 2.4 | 0.2 |
), ArticleFig(id=1176928543134069706, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1175385805112619447, language=CN, label=表2, caption=
设计方案
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 锚杆 长度/m | 锚杆 直径/m | 锚杆间距/m |
| 两帮 | 顶板 |
| 方案1 | 1.6 | 0.2 | 1 | 1 |
| 方案2 | 1.8 | 0.2 |
| 方案3 | 2.0 | 0.2 |
| 方案4 | 2.2 | 0.2 |
| 方案5 | 2.4 | 0.2 |
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