Article(id=1284878631910477948, tenantId=1146029695717560320, journalId=1283840460791746584, issueId=1284096873799594072, articleNumber=PA20260711_RTmzkol5, orderNo=null, doi=10.13637/j.issn.1009-6094.2025.1105, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1784268537739, onlineDateStr=2026-07-17, pubDate=1782316800000, pubDateStr=2026-06-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1784268537738, onlineIssueDateStr=2026-07-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1784268537738, creator=admin, updateTime=1784268537738, updator=admin, issue=Issue{id=1284096873799594072, tenantId=1146029695717560320, journalId=1283840460791746584, year='2026', volume='26', 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articleAbstract=为探究地下开采卸荷作用下深大塌陷坑边坡岩体断裂失稳的机理,揭示其断裂力学机制,构建了含后缘裂隙边坡崩塌的力学模型,并推导了卸荷作用下边坡后缘裂隙起裂、扩展及失稳破坏的力学判据。结合某矿山深大塌陷坑边坡断裂破坏的实际案例,计算了边坡岩体的起裂角、垂直临界高度、分支裂隙扩展长度及安全系数等关键参数。通过理论分析揭示了地下开采卸荷作用下边坡岩体的断裂失稳机制。采用离散元数值模拟方法,研究了边坡岩体断裂的细观演化特征,进一步阐明了开采深度控制的边坡岩体裂隙系统演化规律。结果表明,随着开采深度增加,坡体先经历后缘拉张裂隙与坡脚剪切裂隙协同发育阶段,形成贯通性主控裂隙,后在坡体后缘贯通性裂隙与临空面之间的岩体内部发育局部贯通性裂隙。坡体裂隙演化过程可划分为5个阶段:初始孕育、持续扩展、二次孕育、加速扩展和稳定增长。案例计算得到边坡安全系数为0.941(F_s<1),表明边坡处于失稳状态。理论计算结果与离散元数值模拟及现场地质灾害调查结果吻合良好,验证了力学模型的工程适用性。研究成果可为深大塌陷坑边坡稳定性评价与灾害防治提供理论依据。, authors=null, authorsList=null, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, 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开采卸荷作用下深大塌陷坑边坡岩体断裂力学机制研究
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王飞飞 1,2 , 任青阳 3 , 姜安民 4,5 , 姚琦 1,2 , 朱颖波 6 , 崔桢俊 1,2
安全与环境学报 | “新质生产力驱动的矿山安全与绿色转型技术”专题 2026,26(6):
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安全与环境学报 |“新质生产力驱动的矿山安全与绿色转型技术”专题 2026 , 26 (6) :
开采卸荷作用下深大塌陷坑边坡岩体断裂力学机制研究
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王飞飞1,2 , 任青阳3 , 姜安民4,5 , 姚琦1,2 , 朱颖波6 , 崔桢俊1,2
作者信息
  • 1.湖南城市学院土木工程学院
  • 2.湖南城市学院绿色建筑与智能建造湖南省普通高等学校重点实验室
  • 3.重庆交通大学土木工程学院
  • 4.湖南科技大学资源环境与安全工程学院
  • 5.湖南城建职业技术学院管理工程系
  • 6.长沙矿山研究院有限责任公司金属矿山安全技术国家重点实验室
Affiliations
出版时间: 2026-06-25 doi: 10.13637/j.issn.1009-6094.2025.1105
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为探究地下开采卸荷作用下深大塌陷坑边坡岩体断裂失稳的机理,揭示其断裂力学机制,构建了含后缘裂隙边坡崩塌的力学模型,并推导了卸荷作用下边坡后缘裂隙起裂、扩展及失稳破坏的力学判据。结合某矿山深大塌陷坑边坡断裂破坏的实际案例,计算了边坡岩体的起裂角、垂直临界高度、分支裂隙扩展长度及安全系数等关键参数。通过理论分析揭示了地下开采卸荷作用下边坡岩体的断裂失稳机制。采用离散元数值模拟方法,研究了边坡岩体断裂的细观演化特征,进一步阐明了开采深度控制的边坡岩体裂隙系统演化规律。结果表明,随着开采深度增加,坡体先经历后缘拉张裂隙与坡脚剪切裂隙协同发育阶段,形成贯通性主控裂隙,后在坡体后缘贯通性裂隙与临空面之间的岩体内部发育局部贯通性裂隙。坡体裂隙演化过程可划分为5个阶段:初始孕育、持续扩展、二次孕育、加速扩展和稳定增长。案例计算得到边坡安全系数为0.941(F_s<1),表明边坡处于失稳状态。理论计算结果与离散元数值模拟及现场地质灾害调查结果吻合良好,验证了力学模型的工程适用性。研究成果可为深大塌陷坑边坡稳定性评价与灾害防治提供理论依据。
安全工程  /  开采卸荷  /  深大塌陷坑  /  岩体断裂  /  力学模型
王飞飞, 任青阳, 姜安民, 姚琦, 朱颖波, 崔桢俊. 开采卸荷作用下深大塌陷坑边坡岩体断裂力学机制研究. 安全与环境学报, 2026 , 26 (6) . DOI: 10.13637/j.issn.1009-6094.2025.1105
  • 湖南省自然科学基金项目
  • 湖南省教育厅科学研究重点项目
  • 益阳市应用基础研究与软科学研究计划项目
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2026年第26卷第6期
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doi: 10.13637/j.issn.1009-6094.2025.1105
  • 首发时间:2026-07-17
  • 出版时间:2026-06-25
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湖南省自然科学基金项目
湖南省教育厅科学研究重点项目
益阳市应用基础研究与软科学研究计划项目
作者信息
    1.湖南城市学院土木工程学院
    2.湖南城市学院绿色建筑与智能建造湖南省普通高等学校重点实验室
    3.重庆交通大学土木工程学院
    4.湖南科技大学资源环境与安全工程学院
    5.湖南城建职业技术学院管理工程系
    6.长沙矿山研究院有限责任公司金属矿山安全技术国家重点实验室
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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