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DOI | 10.1038/s41467-019-14252-5 |
Weak phases production and heat generation control fault friction during seismic slip | |
Rattez, Hadrien; Veveakis, Manolis | |
2020-01-17 | |
发表期刊 | NATURE COMMUNICATIONS
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ISSN | 2041-1723 |
出版年 | 2020 |
卷号 | 11期号:1 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | The triggering and magnitude of earthquakes is determined by the friction evolution along faults. Experimental results have revealed a drastic decrease of the friction coefficient for velocities close to the maximum seismic one, independently of the material studied. Due to the extreme loading conditions during seismic slip, many competing physical phenomena occur (like mineral decomposition, nanoparticle lubrication, melting among others) that are typically thermal in origin and are changing the nature of the material. Here we show that a large set of experimental data for different rocks can be described by such thermally-activated mechanisms, combined with the production of weak phases. By taking into account the energy balance of all processes during fault movement, we present a framework that reconciles the data, and is capable of explaining the frictional behavior of faults, across the full range of slip velocities (10(-9) to 10 m/s). Decrease of friction during seismic slip is linked to temperature increase and weak phases production inside the fault core. Here the authors propose a mathematical framework which explains the frictional behaviour of all materials reported in literature and precisely captures material weakening during fault slip. |
领域 | 地球科学 ; 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000514637800002 |
WOS关键词 | HYDRO-MECHANICAL COUPLINGS ; THERMO-PORO-MECHANICS ; STRAIN LOCALIZATION ; GOUGE ; STRENGTH ; PHYSICS ; ROCKS ; TRANSITION ; PARAMETERS ; STABILITY |
WOS类目 | Multidisciplinary Sciences |
WOS研究方向 | Science & Technology - Other Topics |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/249912 |
专题 | 资源环境科学 |
作者单位 | Duke Univ, Civil & Environm Engn Dept, Box 90287, Durham, NC 27708 USA |
推荐引用方式 GB/T 7714 | Rattez, Hadrien,Veveakis, Manolis. Weak phases production and heat generation control fault friction during seismic slip[J]. NATURE COMMUNICATIONS,2020,11(1). |
APA | Rattez, Hadrien,&Veveakis, Manolis.(2020).Weak phases production and heat generation control fault friction during seismic slip.NATURE COMMUNICATIONS,11(1). |
MLA | Rattez, Hadrien,et al."Weak phases production and heat generation control fault friction during seismic slip".NATURE COMMUNICATIONS 11.1(2020). |
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