Search results for "beam-column joint"

showing 4 items of 4 documents

Seismic behavior of exterior RC beam-column joints without code-specified ties in the joint core

2021

Abstract Beam-column joint design for reinforced concrete (RC) buildings is a critical issue for modern earthquake engineering, because for these structural elements, the current codes provide several geometrical constraints and reinforcement provisions, which may be very complex to implement during the construction phase. To investigate how a construction error might influence the joint behavior, two identical full-scale exterior beam-column joints specimens are built, according to Italian Building Code specifications for the high ductility class, but without the required horizontal ties inside the joint panel. This construction error could be plausible because, according to the design dra…

Earthquake engineeringbusiness.industryComputer scienceBeam-column jointStructural engineeringreinforced concrete; beam-column joint; cyclic behavior; shear strength; high ductility; seismic design; construction error.Cyclic behaviorHigh ductilityShear (sheet metal)Reinforced concreteConstruction errorShear strengthBuilding codeShear strengthbusinessDuctilityReduction (mathematics)ReinforcementJoint (geology)Seismic designCivil and Structural EngineeringReinforced concrete; Beam-column joint; Cyclic behavior; Shear strength; High ductility; Seismic design; Construction error;
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Flexural behaviour of external R/C steel fibre reinforced beam-column joints

2011

ABSTRACT A softened strut-and-tie macro model able to reproduce the flexural behaviour of external beam-column joint is presented. The model is specific for concrete with hooked steel fibres (FRC) and it is designed to calculate the flexural response, as load-deflection curve, of a beam-column sub-assemblages. The model considers the presence of a constant vertical load acting on the column and of a monotonically increasing lateral force applied at the tip of the beam.

Environmental EngineeringMaterials scienceThree point flexural testbusiness.industryFlexural modulusSteel fibreVertical loadStructural engineeringbeam-column joint fibre reinforced concrete load-deflection curves analytical-model seismic resistance concrete beams strength connections stressSettore ICAR/09 - Tecnica Delle CostruzioniFlexural strengthBeam columnComposite materialbusinessJoint (geology)Beam (structure)Civil and Structural EngineeringEuropean Journal of Environmental and Civil Engineering
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Seismic response of RC frames with HSTC beams endowed with friction damper devices

2019

The aim of this work is to compare the seismic response of RC frames built using Hybrid Steel-Trussed Concrete Beams (HSTCBs) whether or not equipped with friction damper devices installed at the beam-to-column joints. Due to their small depth-to-span ratios, HSTCBs usually lead to a large amount of rebar within the beam-column joint, potentially reducing its cyclic performance. Therefore, the adoption of a friction system at the beam-tocolumn joint provides two main advantages, i.e. limiting the shear forces, and thus the potential damage, in the panel zone thanks to the increasing of the bending moment lever arm, and assigning to the device the task of dissipating the incoming seismic ene…

Settore ICAR/09 - Tecnica Delle Costruzionicyclic behaviour of beam-column jointshybrid steel-trussed-concrete beamFriction damper
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Seismic behaviour of hybrid steel trussed concrete beams

2010

Settore ICAR/09 - Tecnica Delle Costruzioniexperimental testnumerical analysisHybrid steel truss-concrete beambeam-column joint
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