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	An experimental study of the failure process of en-echelon fault structure using the digital speckle correlation method
	Chen, JD ; Ma, SP ; Liu, SJ ; Jin, GC
	2010-05-07 ; 2010-05-07
关键词	en-echelon fault structure failure digital speckle correlation method ( DSCM) deformation field precursor of failure MARBLE Geochemistry & Geophysics
中文摘要	The failure process of en-echelon fault structure is experimentally studied and the evolution of the deformation filed during failure is inspected and analyzed using the digital speckle correlation method (DSCM) The fault structure is simulated by a marble plate with 2 parallel slits that firstly cut and then filled with gypsum. The specimens are loaded on a large-scale double-axis test machine. The DSCM system captures speckle images during the test process and then processes them to obtain deformation field. The whole failure process of the echelon fault structure is revealed by evolution of the deformation field. The result shows that the deformation is firstly localized around the fault and then the echelon area, where the two faults are interactive with each other. The failure also finally evolves in this echelon area. Moreover, the deformation field during loading is statistically studied and a quantitative C-v-value, which expresses the characteristics of deformation localization, is an indicator for the failure of the echelon fault structure.
语种	中文 ; 中文
出版者	SCIENCE PRESS ; BEIJING ; 16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/16171]
专题	清华大学
推荐引用方式 GB/T 7714	Chen, JD,Ma, SP,Liu, SJ,et al. An experimental study of the failure process of en-echelon fault structure using the digital speckle correlation method[J],2010, 2010.
APA	Chen, JD,Ma, SP,Liu, SJ,&Jin, GC.(2010).An experimental study of the failure process of en-echelon fault structure using the digital speckle correlation method..
MLA	Chen, JD,et al."An experimental study of the failure process of en-echelon fault structure using the digital speckle correlation method".(2010).

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