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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
computer science
Bearing capacity of shallow foundations on rocks obeying a modified Hoek-Brown failure criterion
Computers and Geotechnics, Volume 35, No. 2, Year 2008
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Description
The bearing capacity of shallow foundations resting on a modified Hoek-Brown rock mass is investigated within the framework of the kinematic approach of limit analysis theory. At the rock material nivel, closed-form expressions are obtained for the support functions of the rock failure criterion. These expressions of the Π-functions are then applied to derive upper bounds estimates of the load-bearing capacity by implementing two classes of failure mechanisms. The numerical results are first compared to existing limit analysis solutions, showing the efficiency of the present approach. The effects of the loading parameters are then discussed at the light of these preliminary results. The results are compared with finite element limit analysis solutions, emphasizing the efficiency of the present approach. Design tables are finally presented for practical use in rock engineering. © 2007 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Saada, Zied
Tunisia, Tunis
Université de Tunis el Manar, Ecole Nationale D'ingénieurs de Tunis
Maghous, Samir
Brazil, Porto Alegre
Universidade Federal do Rio Grande do Sul
Garnier, Denis
France, Marne-la-vallee
Ecole Des Ponts Paristech
Statistics
Citations: 87
Authors: 3
Affiliations: 3
Identifiers
Doi:
10.1016/j.compgeo.2007.06.003
ISSN:
0266352X