Finite-element 3D modeling of stress patterns around a dipping fault | |
Lobatskaya, RM (Lobatskaya, R. M.)1; Strelchenko, IP (Strelchenko, I. P.)2; Dolgikh, ES (Dolgikh, E. S.)1 | |
Source Publication | GEOSCIENCE FRONTIERS |
2018-09-01 | |
Volume | 9Issue:5 特刊:SIPages:1555-1563 |
DOI | 10.1016/j.gsf.2017.09.010 |
Abstract | Stresses in a block around a dipping fracture simulating a damage zone of a fault are reconstructed by finite-element modeling. A fracture corresponding to a fault of different lengths, with its plane dipping at different angles, is assumed to follow a lithological interface and to experience either compression or shear. The stress associated with the destruction shows an asymmetrical pattern with different distances from the highest stress sites to the fault plane in the hanging and foot walls. As the dip angle decreases, the high-stress zone becomes wider in the hanging wall but its width changes negligibly in the foot wall. The length of the simulated fault and the deformation type affect only the magnitude of maximum stress, which remains asymmetrical relative to the fault plane. The L-h/L-f ratio, where L-h and L-f are the widths of high-stress zones in the hanging and foot walls of the fault, respectively, is inversely proportional to the fault plane dip. The arithmetic mean of this ratio over different fault lengths in fractures subject to compression changes from 0.29 at a dip of 80 degrees to 1.67 at 30 degrees. In the case of shift displacement, ratios are increasing to 1.2 and 2.94, respectively. |
Subject Area | 地质学 |
WOS ID | WOS:000442691400020 |
Language | 英语 |
Indexed By | SCIE |
Keyword | Internal Structure Fractal Analysis Field Observations Zones Seismicity Fractures Japan |
WOS Research Area | Geology |
WOS Subject | Geosciences, Multidisciplinary |
Cooperation Status | 国际 |
ISSN | 1674-9871 |
Department | 大陆碰撞与高原隆升重点实验室 |
Publisher | CHINA UNIV GEOSCIENCES, BEIJING |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.itpcas.ac.cn/handle/131C11/8556 |
Collection | 图书馆 |
Corresponding Author | Lobatskaya, RM (Lobatskaya, R. M.) |
Affiliation | 1.Irkutsk Natl Res Tech Univ, 83 Lermontov Str, Irkutsk 664074, Russia; 2.Chinese Acad Sci, Inst Tibetan Plateau Res, 16 Lincui Rd, Beijing 100101, Peoples R China. |
Recommended Citation GB/T 7714 | Lobatskaya, RM ,Strelchenko, IP ,Dolgikh, ES . Finite-element 3D modeling of stress patterns around a dipping fault[J]. GEOSCIENCE FRONTIERS,2018,9(5 特刊:SI):1555-1563. |
APA | Lobatskaya, RM ,Strelchenko, IP ,&Dolgikh, ES .(2018).Finite-element 3D modeling of stress patterns around a dipping fault.GEOSCIENCE FRONTIERS,9(5 特刊:SI),1555-1563. |
MLA | Lobatskaya, RM ,et al."Finite-element 3D modeling of stress patterns around a dipping fault".GEOSCIENCE FRONTIERS 9.5 特刊:SI(2018):1555-1563. |
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2018092.pdf(3557KB) | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Application Full Text |
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