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[1]李鹏飞,刘启蒙,陈秀艳.影响断层活化的破碎带特征参数敏感性分析[J].中国安全生产科学技术,2017,13(5):16-20.[doi:10.11731/j.issn.1673-193x.2017.05.003]
　LI Pengfei,LIU Qimeng,CHEN Xiuyan.Sensitivity analysis on characteristic parameters of fracture zone with influence on fault activation[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2017,13(5):16-20.[doi:10.11731/j.issn.1673-193x.2017.05.003]
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影响断层活化的破碎带特征参数敏感性分析
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
13
期数:
2017年5期
页码:
16-20
栏目:
学术论著
出版日期:
2017-05-31

文章信息/Info

Title:
Sensitivity analysis on characteristic parameters of fracture zone with influence on fault activation
文章编号:
1673-193X(2017)-05-0016-05
作者:
李鹏飞; 刘启蒙; 陈秀艳
安徽理工大学 地球与环境学院，安徽 淮南 232001
Author(s):
LI Pengfei;  LIU Qimeng;  CHEN Xiuyan
School of Earth and Environment, Anhui University of Science and Technology, Huainan Anhui 232001, China
关键词:
断层活化; 破碎带特征参数; 正交试验; 敏感性分析
Keywords:
fault activation;  characteristic parameters of fracture zone;  orthogonal experiment;  sensitivity analysis
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2017.05.003
文献标志码:
A
摘要:
为研究破碎带对断层活化的影响，选取破碎带宽度、岩石内摩擦角、粘结系数及抗拉强度作为破碎带的特征参数，采用FLAC3D模拟工作面推进对断层的影响，借助正交表确定模拟方案，通过对正交试验结果进行方差分析，以此研究影响断层活化的破碎带特征参数敏感性。结果表明：破碎带特征参数对断层活化的敏感性主次顺序为破碎带宽度﹥岩石内摩擦角﹥岩石粘结系数﹥岩石抗拉强度，且断层破碎带宽度越大，岩石内摩擦角越小，断层活化可能性也就越高，而岩石粘结系数与抗拉强度对断层活化影响较小。
Abstract:
In order to study the influence of fracture zone on the fault activation, the width of fracture zone, the internal friction angle of rock, the cohesive coefficient of rock and the tensile strength of rock were selected as the characteristic parameters of fracture zone. The influence of face advance on the fault was simulated by FLAC3D. The orthogonal table was used to determine the simulation scheme. Then the sensitivity of characteristic parameters of fracture zone with influence on fault activation was studied through the variance analysis on the results of orthogonal experiment. The results showed that the important sequence about the sensitivity of characteristic parameters for the fault activation from large to small is as follows: the width of fracture zone, the internal friction angle of rock, the cohesive coefficient of rock, and the tensile strength of rock. The larger the width of fracture zone and the smaller the internal friction angle of rock, the higher the possibility of fault activation, while the cohesive coefficient and the tensile strength of rock have little effect on the fault activation.

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备注/Memo

备注/Memo:
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）；国家自然科学基金项目（41472235）
更新日期/Last Update: 2017-06-09