Article(id=1322594828261642645, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322594813749350688, 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=1712419200000, receivedDateStr=2024-04-07, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793260779681, onlineDateStr=2026-10-29, pubDate=1740412800000, pubDateStr=2025-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793260779681, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793260779681, creator=13701087609, updateTime=1793260779681, updator=13701087609, issue=Issue{id=1322594813749350688, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='2', pageStart='1', pageEnd='288', issueExtLink='null', onlineDate='null', pubDate='1740412800000', pubDateStr='2025-02-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793260776220, creator='13701087609', updateTime=1793260776220, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=49, endPage=56, ext={EN=ArticleExt(id=1322594828953702806, articleId=1322594828261642645, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Optimization on Roadway Section Shape of Phosphate Mine with Brittle Direct Roof in Western Hubei Based on Prevention and Control of Rock Burst, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Rock burst is the main technical challenge that troubles the safe mining of phosphate mines in the western Hubei region. In order to reduce the rock burst risk of brittle direct roof of phosphate mines in western Hubei, taking the +80 m working face of Shaqihe Phosphate Mine as the research object, the applicability of different roadway section shapes in mines with brittle direct roof was analyzed, and an inverted trapezoidal section scheme conducive to prevention and control of rock burst was proposed. Numerical simulation method was used to study the distribution characteristics of stress, elastic energy, and displacement of surrounding rocks under different section shapes, the optimal section shape was selected, and the design of relatively safe and economical section parameters were optimized. Finally, engineering verification was carried out on the working face site. The results show that for mines with brittle direct roof, the stress concentration of the roof with rectangular section is the most significant, the roof subsidence of the positive trapezoidal section is large, while the roof stress distribution of the inverted trapezoidal section is relatively uniform, and the roof stress and elastic energy are obviously released, thus reducing the risk of rock burst. Thus, the inverted trapezoidal section is the optimal section shape, with corresponding parameters of 3.4 meters for the upper bottom, 3 meters for the lower bottom, and 4 meters for the height. After optimizing the roadway section, the rock burst of direct roof on the working face has been significantly reduced. The research results can provide a successful example for the prevention and control of rock burst in similar mine roadways in western Hubei.
, authors=Junbao ZHOU
1, Qihu WANG
1, 2, Nan YAO
1, 2, Xiaobing LUO
3, Meng WU
1, Zhen ZHANG
1, Jisuo LING
4, Zhaoyun HUANG
5, authorsList=Junbao ZHOU, Qihu WANG, Nan YAO, Xiaobing LUO, Meng WU, Zhen ZHANG, Jisuo LING, Zhaoyun HUANG, 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=1322594833588408754, articleId=1322594828261642645, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=基于岩爆防治的鄂西磷矿脆性直接顶板巷道断面形状优化, columnId=1226462294490657775, journalTitle=矿业研究与开发, columnName=采矿与矿山充填, runingTitle=null, highlight=null, articleAbstract=
岩爆是困扰鄂西地区磷矿安全开采的主要技术难题,为了降低鄂西磷矿脆性直接顶板岩爆风险,以晒旗河磷矿+80 m工作面为研究对象,分析了不同巷道断面形状在脆性直接顶板矿山的适用性,并提出了利于岩爆防治的倒梯形断面方案;采用数值模拟手段研究不同断面形状下围岩应力、弹性能和位移分布特征,优选出最优断面形状,并优化设计出相对安全经济的断面参数,最后在工作面现场进行工程验证。结果表明:对于脆性直接顶板矿山,矩形断面顶板应力集中最显著;正梯形断面顶板沉降较大,而倒梯形断面顶板应力分布相对均匀,其顶板应力和弹性能得到了明显释放,从而降低了岩爆风险,故倒梯形断面为最优断面形状,其最优断面参数上底宽为3.4 m,下底宽为3 m,高度为4 m;巷道断面优化后的工作面现场直接顶板岩爆现象明显减弱,为鄂西地区类似矿山巷道岩爆防治提供了成功范例。
, authors=周俊宝
1, 王其虎
1, 2, 姚囝
1, 2, 骆效兵
3, 伍蒙
1, 张震
1, 凌济锁
4, 黄兆云
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1.武汉科技大学 资源与环境工程学院,湖北 武汉 430081, bio={"content":"
周俊宝(1999—),男,河南南阳人,硕士研究生,主要研究方向为矿山安全。E-mail:zhoujunbao0331@163.com
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周俊宝(1999—),男,河南南阳人,硕士研究生,主要研究方向为矿山安全。E-mail:zhoujunbao0331@163.com
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1.武汉科技大学 资源与环境工程学院,湖北 武汉 430081
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34(6):67-70., articleTitle=Research on optimization selection of roadway cross-sectional shapes and its control technology in Hongyi Coal Mine, refAbstract=null)], funds=[Fund(id=1322594842492916238, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, awardId=2020BCA082, language=CN, fundingSource=湖北省重点研发计划项目(2020BCA082), fundOrder=null, country=null), Fund(id=1322594842585190927, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, awardId=SJZX20211004, language=CN, fundingSource=湖北省应急管理厅重点项目(SJZX20211004), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1322594834028810677, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, xref=1., ext=[AuthorCompanyExt(id=1322594834041393589, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, companyId=1322594834028810677, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Distribution of vulnerable areas in tunnels of different shapes, figureFileSmall=POtN8tTdYpJnWntSdaPstw==, figureFileBig=IJSWN3qyoHtkv2wbVV6XXQ==, tableContent=null), ArticleFig(id=1322594840618062327, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=CN, label=图1, caption=
不同形状巷道易破坏区域分布, figureFileSmall=POtN8tTdYpJnWntSdaPstw==, figureFileBig=IJSWN3qyoHtkv2wbVV6XXQ==, tableContent=null), ArticleFig(id=1322594840794223096, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=EN, label=Fig.2, caption=
Section shapes and size parameters, figureFileSmall=pi+4nxFoIGmYCXOo1j3IKA==, figureFileBig=tJbzKnc/2lGt/F3q6N3L3w==, tableContent=null), ArticleFig(id=1322594840873914873, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=CN, label=图2, caption=
断面形状与尺寸参数, figureFileSmall=pi+4nxFoIGmYCXOo1j3IKA==, figureFileBig=tJbzKnc/2lGt/F3q6N3L3w==, tableContent=null), ArticleFig(id=1322594840957800954, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=EN, label=Fig.3, caption=
Horizontal stress cloud maps of surrounding rock with different cross-sections, figureFileSmall=i37NjoXg75R3lTLUdPaIYg==, figureFileBig=rZnYsX3hGuc/pbQTDhUzGQ==, tableContent=null), ArticleFig(id=1322594841024909819, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=CN, label=图3, caption=
不同断面围岩水平应力云图, figureFileSmall=i37NjoXg75R3lTLUdPaIYg==, figureFileBig=rZnYsX3hGuc/pbQTDhUzGQ==, tableContent=null), ArticleFig(id=1322594841108795900, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=EN, label=Fig.4, caption=
Vertical stress cloud maps of surrounding rock with different cross-sections, figureFileSmall=X/zczvlpJvLqwJAVRtxGvA==, figureFileBig=AmUtASpVCIFWg+9GuHJI1g==, tableContent=null), ArticleFig(id=1322594841167516157, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=CN, label=图4, caption=
不同断面围岩垂直应力云图, figureFileSmall=X/zczvlpJvLqwJAVRtxGvA==, figureFileBig=AmUtASpVCIFWg+9GuHJI1g==, tableContent=null), ArticleFig(id=1322594841234625022, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=EN, label=Fig.5, caption=
Elastic energy of direct roofs at different cross-sectional shapes, figureFileSmall=5JSYX655oiVIAyZNw/6h9A==, figureFileBig=BpeYG3XDNT9ZTc3pC64BRQ==, tableContent=null), ArticleFig(id=1322594841310122495, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=CN, label=图5, caption=
不同断面形状直接顶板弹性能, figureFileSmall=5JSYX655oiVIAyZNw/6h9A==, figureFileBig=BpeYG3XDNT9ZTc3pC64BRQ==, tableContent=null), ArticleFig(id=1322594841377231360, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=EN, label=Fig.6, caption=
The settlement of roofs with different cross-sectional shapes, figureFileSmall=STvRE3gbXYrnMpnGfeyyuw==, figureFileBig=FiWJj19UZIiwPWocZvuoSg==, tableContent=null), ArticleFig(id=1322594841448534529, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=CN, label=图6, caption=
不同断面形状顶板下沉量, figureFileSmall=STvRE3gbXYrnMpnGfeyyuw==, figureFileBig=FiWJj19UZIiwPWocZvuoSg==, tableContent=null), ArticleFig(id=1322594841524032002, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=EN, label=Fig.7, caption=
Schematic diagrams of different parameters for inverted trapezoidal section, figureFileSmall=TvX/4yRoAB0vwfvwP2mGAg==, figureFileBig=fPcCkleRcGMHJg3hYQMBlw==, tableContent=null), ArticleFig(id=1322594841586946563, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=CN, label=图7, caption=
倒梯形断面不同参数示意图, figureFileSmall=TvX/4yRoAB0vwfvwP2mGAg==, figureFileBig=fPcCkleRcGMHJg3hYQMBlw==, tableContent=null), ArticleFig(id=1322594841658249732, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=EN, label=Fig.8, caption=
Cloud maps of maximum principal stress distribution in surrounding rock under different parameters, figureFileSmall=6FckUuSfFQP7gd/DdlXxhA==, figureFileBig=3JE//l2fsg1ecGpno/JyeQ==, tableContent=null), ArticleFig(id=1322594841750524421, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=CN, label=图8, caption=
不同参数下围岩最大主应力分布云图, figureFileSmall=6FckUuSfFQP7gd/DdlXxhA==, figureFileBig=3JE//l2fsg1ecGpno/JyeQ==, tableContent=null), ArticleFig(id=1322594841834410502, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=EN, label=Fig.9, caption=
Curves of roof subsidence, figureFileSmall=0zxZNcZfENIyGS55TShFfQ==, figureFileBig=wiG6ZRyLmG8zmNytaVtg2Q==, tableContent=null), ArticleFig(id=1322594841905713671, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=CN, label=图9, caption=
顶板下沉量曲线, figureFileSmall=0zxZNcZfENIyGS55TShFfQ==, figureFileBig=wiG6ZRyLmG8zmNytaVtg2Q==, tableContent=null), ArticleFig(id=1322594841985405448, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=EN, label=Fig.10, caption=
Inverted trapezoidal mining roadway for on-site construction, figureFileSmall=OFpojf5u47+0PIGIhn9KnQ==, figureFileBig=PkJ9XAo9m0+GpY+YZRWVKw==, tableContent=null), ArticleFig(id=1322594842065097225, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=CN, label=图10, caption=
现场施工的倒梯形采场巷道, figureFileSmall=OFpojf5u47+0PIGIhn9KnQ==, figureFileBig=PkJ9XAo9m0+GpY+YZRWVKw==, tableContent=null), ArticleFig(id=1322594842132206090, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=EN, label=Table 1, caption=
Advantages, disadvantages and applicability of commonly used cross-sectional shapes
, figureFileSmall=null, figureFileBig=null, tableContent=
| 断面形状 | 优点 | 缺点 | 适用范围 |
|---|
| 正梯形 | 断面利用率较高,掘进、支护较简单。 | 角部易产生应力集中,稳定性较差。 | 顶压和侧压较小、服务年限短的巷道。 |
| 矩形 | 断面利用率最高,掘进、支护简单。 | 断面受力不均,角部易产生应力集中,剪切破坏严重,承压性能差。 | 顶压和侧压小、服务年限短的巷道。 |
| 直墙半圆拱形 | 承压能力强,稳定性好,施工维护方便。 | 断面利用率较其他断面低,顶板损伤较大,经济性较差。 | 顶压较大、侧压较小、服务年限长的巷道。 |
), ArticleFig(id=1322594842228675083, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=CN, label=表1, caption=
常用断面形状的优缺点和适用范围
, figureFileSmall=null, figureFileBig=null, tableContent=
| 断面形状 | 优点 | 缺点 | 适用范围 |
|---|
| 正梯形 | 断面利用率较高,掘进、支护较简单。 | 角部易产生应力集中,稳定性较差。 | 顶压和侧压较小、服务年限短的巷道。 |
| 矩形 | 断面利用率最高,掘进、支护简单。 | 断面受力不均,角部易产生应力集中,剪切破坏严重,承压性能差。 | 顶压和侧压小、服务年限短的巷道。 |
| 直墙半圆拱形 | 承压能力强,稳定性好,施工维护方便。 | 断面利用率较其他断面低,顶板损伤较大,经济性较差。 | 顶压较大、侧压较小、服务年限长的巷道。 |
), ArticleFig(id=1322594842299978252, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=EN, label=Table 2, caption=
Physical and mechanical parameters of models
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 单轴抗压强度/MPa | 密度/(g·cm–3) | 杨氏模量/GPa | 泊松比 | 黏聚力/MPa | 体积模量/GPa | 剪切模量/GPa | 内摩擦角/(°) |
|---|
| 顶板 | 86.20 | 2.94 | 5.23 | 0.28 | 7.22 | 3.96 | 2.04 | 46.20 |
| 直接顶板 | 87.60 | 2.97 | 5.33 | 0.27 | 6.84 | 3.86 | 1.73 | 45.80 |
| 矿层 | 67.87 | 2.83 | 4.62 | 0.25 | 5.36 | 3.08 | 1.54 | 43.25 |
| 底板 | 76.40 | 2.88 | 4.65 | 0.23 | 6.34 | 2.87 | 1.89 | 43.90 |
), ArticleFig(id=1322594842375475725, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594828261642645, language=CN, label=表2, caption=
模型物理力学参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 单轴抗压强度/MPa | 密度/(g·cm–3) | 杨氏模量/GPa | 泊松比 | 黏聚力/MPa | 体积模量/GPa | 剪切模量/GPa | 内摩擦角/(°) |
|---|
| 顶板 | 86.20 | 2.94 | 5.23 | 0.28 | 7.22 | 3.96 | 2.04 | 46.20 |
| 直接顶板 | 87.60 | 2.97 | 5.33 | 0.27 | 6.84 | 3.86 | 1.73 | 45.80 |
| 矿层 | 67.87 | 2.83 | 4.62 | 0.25 | 5.36 | 3.08 | 1.54 | 43.25 |
| 底板 | 76.40 | 2.88 | 4.65 | 0.23 | 6.34 | 2.87 | 1.89 | 43.90 |
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