National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
The fatigue and serviceability limit states of the webs of steel girders subjected to repeated loading
Škaloud, Miroslav ; Zörnerová, Marie
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, the failure mechanism and the limit states of the webs of steel girders are affected by the cumulative damage process generated by the many times repeated character of loading, and how this phenomenon influences the design of such girders.
Pokritiké působení, jeho částečná eroze a mezní stav únavy ocelových nosníků namáhaných opakovaným zatížením
Škaloud, Miroslav ; Zörnerová, Marie
Thin-walled construction as a powerful way to saving steel and the stability limitations involved are discussed. It is shown that this promising trend can be materialised just thanks to the beneficial effect of so-called post-buckled behaviour. As a great part of steel structures are subjected to repeated loading (bridges, crane-supporting girders and the like), it is demonstrated by the results of numerous experiments how the post-buckled reserve of strength is affected by the cumulative damage process generated by the many times repeated character of the loading, and its impact on design is shown.

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