Article(id=1321866373735756131, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321866297609146910, 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=1747843200000, receivedDateStr=2025-05-22, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793087102588, onlineDateStr=2026-10-27, pubDate=1779638400000, pubDateStr=2026-05-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793087102588, onlineIssueDateStr=2026-10-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793087102588, creator=13701087609, updateTime=1793087102588, updator=13701087609, issue=Issue{id=1321866297609146910, tenantId=1146029695717560320, journalId=1225396423026438145, year='2026', volume='46', issue='5', pageStart='1', pageEnd='312', issueExtLink='null', onlineDate='null', pubDate='1779638400000', pubDateStr='2026-05-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793087084438, creator='13701087609', updateTime=1793094562481, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321897662853533805, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321866297609146910, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321897662853533806, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321866297609146910, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=151, endPage=163, ext={EN=ArticleExt(id=1321866375589638502, articleId=1321866373735756131, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Study on the Response Characteristics and Failure Law of Hydraulic Fracturing in Gently Inclined Hard Roofs, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To investigate the fracture distribution law of rock strata under hydraulic fracturing in gently inclined hard roofs and to determine the critical initiation stress range of hydraulic fracturing, this study takes the I010206 working face of Kuangou Coal Mine as the engineering background. Based on the mechanical properties of the roof surrounding rock, similar material specimens were prepared. Using a true triaxial hydraulic fracturing experimental apparatus, physical simulation experiments under different stresses and initiation pressures were conducted under stress conditions of σ_H=12.8-13.9 MPa, σ_h=6.5-8.1 MPa, and σ_v=5 MPa, with a water injection flow rate of 40 mL/min. Furthermore, numerical simulation software was employed to analyze the three-dimensional spatial distribution characteristics of the fractures. The results show that the horizontal stress difference has a significant influence on the fracture propagation morphology. Under low stress difference conditions, fractures exhibit unilateral dominant propagation, with the scaled-up propagation area reaching 4.25 m². Under high stress difference conditions, fractures are symmetrically double-winged, with increased propagation resistance and a reduced area of 3.84 m². The number of acoustic emission events ranges from 3 698 to 4 702, and the peak amplitude ranges from 83.2 to 121.1 dB. The evolution characteristics are related to the height of fracture initiation and propagation. The initiation pressure range for hydraulic fracturing in the hard roof of this mine is determined to be 10.80-16.79 MPa, and a critical initiation pressure of 16.79 MPa is recommended as the lower engineering limit. Engineering application results demonstrate that these fracturing parameters can significantly reduce the suspended roof area and markedly lower the risk of rock bursts. The research results can provide theoretical support and engineering reference for the design of roof fracturing schemes and disaster prevention and control in deep mines.

, authors=Zhipeng Zhao¹, Kaige Zheng², Xiaodong Qi¹, Zeyang Wang², Lingyu Kong¹, Feng Cui³, Sen Yang¹, Hao Liu³, Haojie Wang², authorsList=Zhipeng Zhao, Kaige Zheng, Xiaodong Qi, Zeyang Wang, Lingyu Kong, Feng Cui, Sen Yang, Hao Liu, Haojie Wang, authorCompany=null, correspAuthors=Kaige Zheng, 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=1321866375992291687, articleId=1321866373735756131, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=缓倾斜坚硬顶板水力压裂响应特征及破坏规律研究, columnId=1226462295417598973, journalTitle=矿业研究与开发, columnName=矿山安全与环保, runingTitle=null, highlight=null, articleAbstract=

为探究缓倾斜坚硬顶板水力压裂作用下岩层裂缝展布规律及确定水力压裂临界起裂应力范围，以宽沟煤矿I010206工作面为工程背景，结合顶板围岩材料力学性质，制备相似材料试件，采用真三轴水力压裂试验装置，在σ_H=12.8~13.9 MPa、σ_h=6.5~8.1 MPa、σ_v=5 MPa应力条件及40 mL/min注水流量下，开展不同应力与起裂压力物理模拟试验，并借助数值模拟软件分析裂隙三维空间分布特征。结果表明：水平应力差对裂缝扩展形态具有显著影响，低应力差下裂缝呈单侧优势扩展，换算至原型的扩展面积达4.25 m²，高应力差下裂缝呈对称双翼状，扩展阻力增大、面积减小至3.84 m²；声发射事件数为3 698~4 702个、幅值峰值为83.2~121.1 dB，其演化特征与裂缝起裂、扩展高度相关；确定了该矿坚硬顶板水力压裂的起裂压力范围为10.80~16.79 MPa，其中临界起裂压力建议取16.79 MPa作为工程下限。工程应用结果显示，该压裂参数可显著减小悬顶面积，使冲击风险显著降低。研究结果可为深部矿井顶板压裂方案设计与灾害防控提供理论支撑与工程参考。

, authors=赵志鹏¹, 郑凯歌², 祁晓东¹, 王泽阳², 孔令宇¹, 崔峰³, 杨森¹, 刘浩³, 王豪杰², authorsList=赵志鹏, 郑凯歌, 祁晓东, 王泽阳, 孔令宇, 崔峰, 杨森, 刘浩, 王豪杰, authorCompany=null, correspAuthors=郑凯歌, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=TKlWcVdyj93Ai+Aw//H9zw==, magXml=dsW39uWMYD4yNkD8uKV9xA==, pdfUrl=null, pdf=cgEdXUDOYRcdcV6nhOquEA==, pdfFileSize=3808569, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=YerElSHZgHMpncBUodyGDA==, mapNumber=null, fund=null)}, authors=[Author(id=1321866376554328434, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321866373735756131, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=736997336@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1321866376634020212, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321866373735756131, authorId=1321866376554328434, language=EN, stringName=Zhipeng Zhao, firstName=Zhipeng, middleName=null, lastName=Zhao, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.CHN Energy Group Xinjiang Energy Co., Ltd., Urumqi, Xinjiang 830027, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1321866376722100597, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321866373735756131, authorId=1321866376554328434, language=CN, stringName=赵志鹏, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1．国家能源集团新疆能源有限责任公司，新疆 乌鲁木齐　830027, bio={"content":"

赵志鹏（1987—），男，山东德州人，工程师，主要从事矿压与瓦斯动力灾害防治方面的研究。E-mail: 736997336@qq.com

"}, bioImg=null, bioContent=

赵志鹏（1987—），男，山东德州人，工程师，主要从事矿压与瓦斯动力灾害防治方面的研究。E-mail: 736997336@qq.com

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