This paper focuses on cross-section optimization of both rectilinear and curvilinear beams. In particular, analytical models were developed, in order to detect how circular section resistance can be modified following a suitable cut. In fact, removing material from the furthest zone from the neutral axis, may even result in an increase of the section resistance modulus, with consequent beneficial reduction of the maximum stresses. The analytical model outcomes were confirmed by numerical analyses. This study deals with several applicative cases: in almost all of them a stress reduction was achieved, except for removing material from the extrados.

Cylindrical cross section optimization

Croccolo D.;De Agostinis M.;Fini S.;Olmi G.;Robusto F.
2021

Abstract

This paper focuses on cross-section optimization of both rectilinear and curvilinear beams. In particular, analytical models were developed, in order to detect how circular section resistance can be modified following a suitable cut. In fact, removing material from the furthest zone from the neutral axis, may even result in an increase of the section resistance modulus, with consequent beneficial reduction of the maximum stresses. The analytical model outcomes were confirmed by numerical analyses. This study deals with several applicative cases: in almost all of them a stress reduction was achieved, except for removing material from the extrados.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/769865
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