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Fault slip behaviors and frictional stability controlled by particle size of fault gouge under fluid injection

文献类型：期刊论文

作者Liu, Bin1; Geng, Zhi1,2; Kang, Yongshui1,2; Liu, Xuewei1; Zhou, Yuan1; Liu, Quansheng3; Huang, Youqi1; Zhou, Xiubin1
刊名INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
出版日期2024-11-01
卷号183页码:14
关键词Fault gouge Fluid pressure Fluid injection Particle size
ISSN号1365-1609
DOI10.1016/j.ijrmms.2024.105919
英文摘要Understanding the control mechanism of fault rock particle size in fluid-induced fault slip and rupture processes is crucial for mitigating the seismic risks associated with large-scale fluid injection. Here, we conducted laboratory experiments to present the effects of fault rock particle size on slip behavior, friction, and slip modes under fluid injection. Our results demonstrate that the particle size of the gouge controls the initiation of fault slip events and that the fluid pressure required for the initial fault slip is negatively correlated with the rock particle size. The increase in rock particle size can weaken the faults and induce the transition of the fault slip mode from creep to slow stick-slip events, which leads to the occurrence of seismic events. These results reveal the particle size of fault gouge exerts a potentially dominant control on the slip behavior, slip modes, and frictional characteristics of faults under fluid injection, providing crucial insights into fault slip and seismic events.
资助项目Fund of State Key Laboratory of Geomechanics and Geotechnical Engineering[SKLGME-JBGS2401] ; Natural Science Foundation of China[51774267] ; Natural Science Foundation of China[51974289] ; Natural Science Foundation of China[42302316] ; Natural Science Foundation of China[U22A20234]
WOS研究方向Engineering ; Mining & Mineral Processing
语种英语
WOS记录号WOS:001327808400001
出版者PERGAMON-ELSEVIER SCIENCE LTD
源URL[http://119.78.100.198/handle/2S6PX9GI/42716]  
专题中科院武汉岩土力学所
通讯作者Kang, Yongshui
作者单位1.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Hubei, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Wuhan Univ, Sch Civil Engn, Wuhan 430072, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Bin,Geng, Zhi,Kang, Yongshui,et al. Fault slip behaviors and frictional stability controlled by particle size of fault gouge under fluid injection[J]. INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES,2024,183:14.
APA Liu, Bin.,Geng, Zhi.,Kang, Yongshui.,Liu, Xuewei.,Zhou, Yuan.,...&Zhou, Xiubin.(2024).Fault slip behaviors and frictional stability controlled by particle size of fault gouge under fluid injection.INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES,183,14.
MLA Liu, Bin,et al."Fault slip behaviors and frictional stability controlled by particle size of fault gouge under fluid injection".INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES 183(2024):14.

入库方式： OAI收割

来源：武汉岩土力学研究所

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