The Reliability of Bar Structures in the Light of the Shakedown Theory
A series of works dealing with the evaluation of the reliability of structures where the possibility of plastic strains is taken into accound have been published in recent years. In most of them, however, the problem is considered from the point of view limite state capacity [1–4]. Only a few of the works approach it from the standpoint of the shakedown theory. An elastic-plastic or a rigid-plastic model of the material with a random yield point and a random character of the load are assumed. Solutions are sought both through static [1–3] and kinematic [1,4] estimations. It is essential for the kinematic method analysis to determine the dominant failure mechanisms [2,4] whitch will greatly reduce the amount of work needed to obtain a solution.
KeywordsAxial Force Reliability Index Random Fluctuation Load Parameter Influence Coefficient
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