Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19803
Title: Linear Mohr-Coulomb strength parameters from the non-linear Hoek-Brown rock masses
Authors: Yang, XL
Yin, JH 
Keywords: Bearing capacity
Limit analysis
Linear Mohr-Coulomb
Non-linear Hoek-Brown
Issue Date: 2006
Source: International journal of non-linear mechanics, 2006, v. 41, no. 8, p. 1000-1005 How to cite?
Journal: International Journal of Non-Linear Mechanics 
Abstract: Most conventional computer codes, design practice and standards in rock engineering are formulated in terms of a linear Mohr-Coulomb (MC) failure criterion. However, experimental data shows that the failure of almost all types of rock masses follows a modified Hoek-Brown (HB) failure criterion that is non-linear. In order to avoid the difficulty resulting from the non-linearity of the strength envelope of rock masses in calculation of bearing capacity, the equivalent MC strength parameters from the modified HB failure criterion are developed for practical use in engineering. From the results, it is found that the equivalent strength parameters depend on not only the non-linear HB failure criterion but also the surcharge load and self-weight, which is different from the published results.
URI: http://hdl.handle.net/10397/19803
ISSN: 0020-7462
DOI: 10.1016/j.ijnonlinmec.2006.08.003
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