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多效应场作用下逆断层突水主控因素研究
  • ISSN号:1005-2763
  • 期刊名称:《矿业研究与开发》
  • 时间:0
  • 分类:TD745[矿业工程—矿井通风与安全]
  • 作者机构:[1]山东科技大学矿业与安全工程学院,山东青岛市266590, [2]矿山灾害预防控制国家重点实验室培育基地,山东青岛市266590
  • 相关基金:国家自然基金项目(51379119,51109124,51509149,41472281)
中文摘要:

采动过程中逆断层的活化突水是影响煤矿安全生产的主要因素之一,首先运用SPSS软件建立了以断层倾角(A)、断层落差(B)、含水层水压(C)、破碎带宽度(D)、保护煤柱宽度(E)5个因素每个因素5个水平的正交模拟试验表,然后运用FLAC(3D)进行数值模拟研究分别考查逆断层在不同正交试验方案下断层带同一位置处的最大剪应力。最后运用极差分析法和方差分析法对试验结果进行分析。结果表明:(1)以上5个因素对试验结果的影响程度由强到弱依次是C〉A〉B〉E〉D。(2)断层带最大剪应力分别随着断层落差、含水层水压、破碎带宽度的增加而增加,随着保护煤柱宽度和断层倾角的增大而减小,但当破碎带宽度达到某一数值后断层带最大剪应力基本维持在一个相对稳定的状态,这说明断层破碎带宽度对逆断层活化的影响是有一定限度的。

英文摘要:

The reverse fault water inrush during mining is one of the main factors affecting the safety of coal mine production. Firstly, SPSS software was used to establish an orthogonal simulation test table, in which 5 factors were included, such as the dip of fault (A), the fault distance (B), the pressure of aquifer (C), the width of fracture zone (D), and the width of protec- tive coal pillar (E), and each factor had 5 levels. Then, FLAC3D was applied for numerical simulation research on the maxi- mum shear stress at the same position of fault zone, when the reverse faults were in different orthogonal test scheme. The test- ed results were analyzed by range analysis method and variance analysis method. The results were obtained as follows. The or- der of above five factors that impacted on the test results from strong to weak was C〉A〉B〉E〉D. The maximum shear of fault zone respectively increased with the increase of the fault distance, the pressure of aquifer and the width of fracture zone, and decreased with the increase of the width of protective coal pillar and the dip of fault. When the width of fracture zone reached a certain value, the maximum shear stress would remain in a relatively stable state, which indicated that the width of fracture zone had a limited effect on the inverse fault activation.

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期刊信息
  • 《矿业研究与开发》
  • 中国科技核心期刊
  • 主管单位:长江矿山研究院
  • 主办单位:长沙矿山研究院 中国有色金属学会
  • 主编:周爱民
  • 地址:湖南省长沙市麓山南路343号
  • 邮编:410012
  • 邮箱:kyyk81@263.net
  • 电话:0731-8631209 88671578
  • 国际标准刊号:ISSN:1005-2763
  • 国内统一刊号:ISSN:43-1215/TD
  • 邮发代号:42-176
  • 获奖情况:
  • 中国有色金属工业科技期刊三等奖,编排规范执行优秀奖
  • 国内外数据库收录:
  • 美国化学文摘(网络版),荷兰文摘与引文数据库,中国中国科技核心期刊,中国北大核心期刊(2004版),中国北大核心期刊(2008版),中国北大核心期刊(2011版),中国北大核心期刊(2014版)
  • 被引量:8623