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Publications
Guedes Soares, C. (1997), “Probabilistic Modelling of the Strength of Flat Compression Members", Probabilistic Methods for Structural Design, Guedes Soares, C. (Ed.), Kluwer Academic Publishers, pp. 113-140
The structural components that are subjected to compressive forces are often critical elements in many structures. This is even more important if one has in mind that compressive failure is followed by a decrease in load carrying capacity which will overload adjacent structural components, being bound to precipitate an overall failure of the structure. Another important feature of compressive member behaviour is their sensitivity to the shape and amplitude of initial imperfections, which in real structures are of a random nature. Thus only probabilistic treatments are appropriate to describe the initial status of the imperfect structural components as well as their collapse strength. This work deals with flat compression members, that is, with columns and plates, leaving aside the strength f shells. A description is provided of the methods for predicting the strength of these components, describing afterwards the probabilistic approaches that have been used up to now. Thtese range from stochastic descriptions of the spatial variability of initial distortions to a simple statistical analysis of experiments relating to component strength.
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