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Comparisons between two empirical yield criteria for rock masses

Li, A. J. and Merifield, R.S 2011, Comparisons between two empirical yield criteria for rock masses, in ISRM 2011 : Proceedings of the 12th International Congress on Rock Mechanics, CRC Press, London, England, pp. 190-193, doi: 10.1201/b11646-41.

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Title Comparisons between two empirical yield criteria for rock masses
Author(s) Li, A. J.
Merifield, R.S
Conference name International Congress on Rock Mechanics (12th : 2011 : Beijing, China)
Conference location Beijing, China
Conference dates 18-21 Oct. 2011
Title of proceedings ISRM 2011 : Proceedings of the 12th International Congress on Rock Mechanics
Editor(s) Zhou, Yingxin
Publication date 2011
Conference series International Congress on Rock Mechanics
Start page 190
End page 193
Total pages 4
Publisher CRC Press
Place of publication London, England
Keyword(s) slope stability
factor of safety
non-linear
limit analysis
Summary In general, rock masses are inhomogeneous, discontinuous media composed of rock material and naturally occurring discontinuities such as joints, fractures and bedding planes. Because of these features, the strength of rock masses is notoriously difficult to assess. Nonetheless, many criteria have been proposed for estimating rock mass strength. Based on the finite element upper and lower bound limit analysis methods, this study examined two empirical yield criteria for rock masses, the Hoek-Brown failure criterion (2002) and the Douglas criterion (2002). The comparisons showed that very different results may be obtained using the same input parameters. Therefore, it is interesting to discuss the source of these differences.
ISBN 0203135253
9780203135259
Language eng
DOI 10.1201/b11646-41
Field of Research 090501 Civil Geotechnical Engineering
Socio Economic Objective 970112 Expanding Knowledge in Built Environment and Design
HERDC Research category E1 Full written paper - refereed
HERDC collection year 2011
Copyright notice ©2011, Taylor & Francis Group
Persistent URL http://hdl.handle.net/10536/DRO/DU:30045360

Document type: Conference Paper
Collection: School of Engineering
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