Optimal design of new steel connections

Risultato della ricerca: Conference contribution


The Limited Resistance Rigid Perfectly Plastic Hinge (LRPH) are special steel connections mainly usable to join beam elements of plane or spa-tial steel frames. The fundamental characteristics of these devices are the mutu-al independence of their own resistance and stiffness features as well as the re-spect of assigned constraints related to the elastic and limit behaviour of the joined elements. Within the frame structural scheme, the device plays the role of a rigid perfectly plastic hinge, constituted by a suitably sized sandwich sec-tion. The efficient use of the LRPH in the relevant frame depends on the appro-priate design of the device geometry. In the present paper, a new approach de-voted to the optimal flexural design of the LRPH is presented, according with the imposed mechanical constraints as well as with further suggested technolog-ical ones. The optimization procedure is based on a genetic algorithm approach and different applications are reported confirming the good applicability of the computational method as well as the reliability of the relevant device.
Lingua originaleEnglish
Titolo della pubblicazione ospiteEngOpt 2018 Proceedings of the 6th International Conference on Engineering Optimization
Numero di pagine12
Stato di pubblicazionePublished - 2019


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