Thin-Walled Construction - the Miracle of Post-Buckled Behaviour in It and Its Partial

Abstract eng:
It is shown in the paper that the promising trend of thin-walled construction, which is regarded as a powerful way to saving steel, can be materialised just thanks to the beneficial effect of post-buckled behaviour. However, as a great part of steel structures are subjected to many times repeated loads (bridges, crane-supporting girders and the like), it is demonstrated by means of the results of numerous experiments carried out by the authors in Prague how the post-critical reserve of strength is affected by the cumulative damage process generated by the many times repeated character of loading, and how this phenomenon influences the design of structures.

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