Engineering Mechanics

International Conference

Proceedings Vol. 11 (2005)


ENGINEERING MECHANICS 2005

NATIONAL CONFERENCE WITH INTERNATIONAL PARTICIPATION
May 9 – 12, 2005, Svratka, Czech Republic
;
Editors: Vladimír Fuis, Petr Krejčí and Tomáš Návrat

Copyright © 2005 Institute of Mechanics of Solids, Faculty of Mechanical Engineering, Bruno University of Technology, Brno

ISBN 80-85918-93-5 (printed)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Generalized formulation of cam clay model
Janda T., Šejnoha M.
pages 139 - +6p., full text

In this contribution, a generalized Cam clay model for soil materials is introduced. This critical state model reduces high dilatation and softening behaviour of overconsolidated soils which occurs in classical Cam clay model formulation. More realistic response of the model is achieved by introducing a new yield function in dilatation domain i.e. for OCR > 2. Further, the dependency of the yield function to the Lode’s angle is adopted and non-associated flow rule is assumed. Finally, the reduction of hardening modulus is shown in comparison to the classical Cam clay model formulation.


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