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Stress transfer mechanism investigation in hybrid steel trussed-concrete beams by push-out tests

  • Autori: Colajanni, P; La Mendola, L; Monaco, A
  • Anno di pubblicazione: 2014
  • Tipologia: Articolo in rivista (Articolo in rivista)
  • OA Link:


Results of push-out tests carried out on Hybrid Steel Trussed–Concrete Beams (HSTCBs) before and after the concrete casting are presented and interpreted. Firstly, in order to check the ability ofweldings before casting, tensile tests were performed on specimens reproducing different types of welded joints. Simplified design formulae were used to predict their ultimate strength. Secondly, results obtained by push-out tests on specimen representative of the beambefore and after the concrete casting are presented and discussed. Finally, simplified analytical models proposed by the current European building codewere adapted to the specific typology to roughly predict the ultimate strength obtained by push-out tests on specimens complete with concrete casting.