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[en] This paper presents general thermodynamic criteria for the stable states and stable path of structures with an interacting system of cracks. In combination with numerical finite element results for various cracked structure geometries, these criteria indicate that the crack response path of structures may exhibit bifurcations, after which the symmetry of the crack system is broken and some cracks grow preferentially. The problem is of interest for the prediction of ultimate loads, ductility and energy absorption capability of nuclear concrete structures as well as structures made of composites and ceramics
Source
Hadjian, A.H; Volume Q. Concrete and specific aspects of non-metallic materials; 169 p; ISBN 0-9623306-0-4; 
; 1989; p. 1-8; American Association for Structural Mechanics in Reactor Technology; Los Angeles, CA (USA); 10. international conference on Structural Mechanics in Reactor Technology (SMIRT); Anaheim, CA (USA); 14-18 Aug 1989; CONF-890855--; American Association for Structural Mechanics, P.O. Box 60860, Los Angeles, CA 90060 (USA)
; 1989; p. 1-8; American Association for Structural Mechanics in Reactor Technology; Los Angeles, CA (USA); 10. international conference on Structural Mechanics in Reactor Technology (SMIRT); Anaheim, CA (USA); 14-18 Aug 1989; CONF-890855--; American Association for Structural Mechanics, P.O. Box 60860, Los Angeles, CA 90060 (USA)