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Title:
The Geo-DSCM System and Its Application to the Deformation Measurement of Rock Materials
Author: Ma SP; Xu XH(许向红); Zhao YH
Issued Date: 2004-05-18
Conference Name: Regional ISRM Sinorock 2004 Symposium, MAY 18-21, 2004 PEOPLES R CHINA
Abstract: Digital Speckle Correlation Method (DSCM) is a useful tool for whole field deformation measurement, and has been applied to analyze the deformation field of rock materials in recent years. In this paper, a Geo-DSCM system is designed and used to analyse the more complicated problems of rock mechanics, such as damage evolution and failure procedure. A weighted correlation equation is proposed to improve the accuracy of displacement measurement on a heterogeneous deformation field. In addition, a data acquisition system is described that can synchronize with the test machine and can capture speckle image at various speeds during experiment. For verification of the Geo-DSCM system, the failure procedure of a borehole rock structure is inspected and the evolution of the deformation localization is analysed. It is shown that the deformation localization generally initializes at the vulnerable area of the rock structure but may develop in a very complicated way.
Indexed Type: CPCI-S
Subject: 力学
Corresponding Author: Ma SP
Source: INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES,2004,41(3):411-412
Language: 英语
WOS ID: WOS:000221685000048
Citation statistics:
Content Type: 会议论文
URI: http://dspace.imech.ac.cn/handle/311007/13864
Appears in Collections:力学所知识产出(1956-2008)_会议论文

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Recommended Citation:
Ma SP,Xu XH,Zhao YH. The Geo-DSCM System and Its Application to the Deformation Measurement of Rock Materials[C]. 见:Regional ISRM Sinorock 2004 Symposium, MAY 18-21, 2004 PEOPLES R CHINA
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