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RISS 인기검색어
- 검색키워드
- 저자 : Vincenzo Piluso (검색결과 2 건)
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Bolted T-stubs: A refined model for flange and bolt fracture modes
Antonella B. Francavilla,Massimo Latour,Vincenzo Piluso,Gianvittorio Rizzano 국제구조공학회 2016 Steel and Composite Structures, An International J Vol.20 No.2
It is well known that, in order to accurately predict the behaviour of steel structures a requirement the definition of the mechanical behaviour of beam-to column joints is of primary importance. This goal can be achieved by means of the so-called component method, which, in order to obtain the whole behaviour of connections, provides to break up joints in basic components of deformability and resistance. One of the main joint components used to model bolted connections is the so-called equivalent T-stub in tension, which is normally used to predict the behaviour of bolted plates in bending starting from the behaviour of the single bolt rows. In past decades, significant research efforts have been devoted to the prediction of the behaviour of bolted T-stubs but, to date, no particular attention has been devoted to the characterization of their plastic deformation capacity. To this scope, the work presented in this paper, taking into account the existing technical literature, proposes a new theoretical model for predicting the whole behaviour up to failure of bolted T-stubs under monotonic loading conditions, including some complexities, such as the bolt/plate compatibility requirement and the bolt fracture, which are necessary to accurately evaluate the ultimate displacement. After presenting the advances of the proposed approach, a comparison between theoretical and experimental results is provided in order to verify its accuracy.
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Comparison among different software for the evaluation of moment-curvature of R.C. columns
Rosario Montuori,Elide Nastri,Maria Ilenia Palese,Vincenzo Piluso 사단법인 한국계산역학회 2019 Computers and Concrete, An International Journal Vol.24 No.3
The work aims at the comparison among commonly used research programs concerning moment-curvature (M−χ) diagrams of confined R.C. members. The software considered in this work are Sap2000, SeismoStruct and Opensees. The curves provided by these software, given the same modelling, have been compared to those provided by a theoretical fiber model. A parametric analysis has been led on rectangular column sections with different level of axial load and different stirrups spacing. The accuracy of the modelling of the considered structural programs has been investigated by comparing their results with those obtained by applying the theoretical fiber model.
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