Electronic Resource
Springer
Geotechnical and geological engineering
8 (1990), S. 181-202
ISSN:
1573-1529
Keywords:
Deformation modulus
;
nonlinear
;
stress dependent
;
rock mass classification
;
rock
Source:
Springer Online Journal Archives 1860-2000
Topics:
Geosciences
Notes:
Summary This paper describes the development of an empirical nonlinear stress dependent expression for the deformation modulus of rock masses based on rock mass classification. The expression defines the deformation modulus as the ratio of the deviator stress at failure to the major principal strain at failure. The Hoek and Brown failure criterion is used to predict the deviator stress at failure. Research was directed toward developing a failure criterion defining the major principal strain at failure. The expression for the deformation modulus was extended to rock mass conditions through correlations with observed deformations from case history studies and predicted deformations from finite element analyses.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01554041
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