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    Ultimate bearing capacity of jointed rocks as homogenous media

    Access Status
    Fulltext not available
    Authors
    Fahimifar, A.
    Sharifzadeh, Mostafa
    Imani, M.
    Date
    2010
    Type
    Conference Paper
    
    Metadata
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    Citation
    Fahimifar, A. and Sharifzadeh, M. and Imani, M. 2010. Ultimate bearing capacity of jointed rocks as homogenous media, in 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, Jun 27-30 2010. Salt Lake City: American Rock Mechanics Association.
    Source Title
    Proceedings of the 44th US Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium
    Source Conference
    44th US Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium
    Additional URLs
    https://www.onepetro.org/conference-paper/ARMA-10-253
    URI
    http://hdl.handle.net/20.500.11937/43130
    Collection
    • Curtin Research Publications
    Abstract

    In this paper, the bearing capacity of a jointed rock foundation was investigated using the code UDEC. The models include two joint sets with variable orientations and different joint spacing. Three values for orientation and joint spacing were selected and bearing capacity analysis was performed for each case. The results obtained from the numerical analyses were compared with the existing solutions in which both the rock matrix and joint properties are considered and then, the ranges in which the UDEC simulation takes the best agreement with the existing methods are specified. In other part of this paper, the effect of joint normal and shear stiffnesses on the bearing capacity was investigated. Results of this part show that the joint normal and shear stiffnesses don't have very significant effects on the bearing capacity of rock masses. The results obtained in this research show that by increasing the number of joints beneath the foundation, the bearing capacity will be reduced.

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