6533b870fe1ef96bd12cfc74

RESEARCH PRODUCT

Cyclic behavior of composite truss beam-to-RC column joints in MRFS

Piero ColajanniNino SpinellaLidia La MendolaAlessia Monaco

subject

EngineeringCyclic testComposite number0211 other engineering and technologiesTruss020101 civil engineering02 engineering and technologyComposite beams0201 civil engineeringColumn (typography)021105 building & constructionBeam-to-column joint; Composite truss beam; Cyclic tests; Seismic performance; Materials Science (all); Mechanics of Materials; Mechanical EngineeringGeneral Materials ScienceMechanics of MaterialDuctilityJoint (geology)Beam-to-column jointCyclic testsbusiness.industryComposite truss beamMechanical EngineeringStructural engineeringStrength of materialsSettore ICAR/09 - Tecnica Delle CostruzioniMechanics of MaterialsSeismic performanceMaterials Science (all)businessBeam (structure)

description

In the present paper, the cyclic behavior of beam-to-column joints made up of Hybrid Steel Trussed Concrete Beams (HSTCBs) connected to Reinforced Concrete (RC) piers is investigated. HSTCBs are a typology of composite beam generally constituted by a steel truss with end zone added rebars embedded within a block of concrete cast in place. HSTCBs represent a structural solution for light industrialization in the civil constructions; the main advantages in their use are the higher construction speed with the minimum site labor, the possibility of covering wide spans with low depths and a final economical convenience. For these reasons, they are also increasingly adopted within seismic framed structures. In the present study, the examined joints are representative of framed RC structures subjected to seismic actions and designed according to the current Italian standard code. Cyclic tests are performed and interpreted by means of analytical and numerical models with the aim of verifying the strength capacity and ductility of the system, focusing on both the global behavior and the force transmission between steel truss and concrete in the joint region.

10.4028/www.scientific.net/kem.711.681http://hdl.handle.net/10447/222803