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Review of push-out and shear response of hybrid steel-trussed concrete beams

  • Autori: Colajanni, Piero*; La Mendola, Lidia; Monaco, Alessia
  • Anno di pubblicazione: 2018
  • Tipologia: Articolo in rivista (Articolo in rivista)
  • Parole Chiave: Analytical models; Precast trussed beam; Push-out test; Steel concrete composite beam; Architecture2300 Environmental Science (all); Civil and Structural Engineering; Building and Construction
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The hybrid steel trussed concrete beams examined in the present study are comprised of two principal components, i.e., a steel joist with inclined rebars, realized in industry, which is welded to a smooth steel plate and then embedded within the concrete cast in situ. The paper presents first the state of the art on laboratory tests and analytical modeling of the steel-to-concrete stress transfer mechanism investigated by push-out tests. Next, the most relevant scientific contributions currently available in the technical literature regarding experimental investigation on actual shear behavior are summarized and discussed. Lastly codes and analytical models are reviewed.