摘要
为研究影响断层活化的主控因素关联度,采用FLAC3D数值软件模拟断层活化,利用正交表确定模拟方案。通过分析各主控因素对断层活化的影响曲线,表明倾角越小、采深越深、破碎带宽度越宽,以及断层落差越大的断层更容易出现断层活化。利用方差分析法与灰色关联度分析法分别对模拟结果进行分析,结果表明各主控因素与断层活化的关联度排序均为断层倾角>煤层采深>破碎带宽度>断层落差,且断层倾角与煤层采深对断层活化的影响程度显著大于破碎带宽度与断层落差对断层活化的影响。
In order to study the correlation of controlling factors affecting the activation of the fault,FLAC3D numerical software was used to simulate the activation of the fault,and the simulation scheme was determined by orthogonal table.By analyzing the influence curves of controlling factors on fault activation,it is found that faults with small dip angle,deep mining depth,wide fracture zone and high fault throw are more likely to activate.The simulation results are analyzed by means of variance analysis and grey relational analysis,and it shows that the correlation between the controlling factors and the fault activation is ranked from largest to smallest as follows:fault dip angle,coal mining depth,width of fault fracture zone,fault throw.And the influence of fault dip angle and coal mining depth on fault activation is significantly greater than the effect of fracture zone width and fault throw.
作者
李鹏飞
刘启蒙
陈秀艳
LI Pengfei;LIU Qimeng;CHEN Xiuyan(Anhui Earthquake Agency,Hefei 230000,China;School of Earth and Environment,Anhui University of Science and Technology,Huainan 232001,China)
出处
《矿业安全与环保》
北大核心
2018年第5期109-114,共6页
Mining Safety & Environmental Protection
基金
国家自然科学基金项目(41472235)
安徽省高等学校省级自然科学研究重大项目(KJ2014ZD11)
深部岩土力学与地下工程国家重点实验室开放基金项目(SKLGDUEK1313)
关键词
断层活化
主控因素
正交试验
方差分析
灰色关联度
fault activation
controlling factor
orthogonal experiment
variance analysis
grey correlation
作者简介
李鹏飞(1993—),男,安徽合肥人,硕士研究生,从事水文地质与工程地质研究工作。E-mail:pfli9391@163.com。
