6533b839fe1ef96bd12a6138
RESEARCH PRODUCT
Simplified analytical model for flexural response of external R.C. frames with smooth rebars
Giuseppe CampioneFrancesco CannellaLiborio CavaleriAlessia Monacosubject
ColumnMechanical EngineeringSmooth rebarShearBeamBuilding and ConstructionBeam; Column; Flexure; Joint; Shear; Smooth rebars; Civil and Structural Engineering; Building and Construction; Mechanics of Materials; Mechanical EngineeringSettore ICAR/09 - Tecnica Delle CostruzioniJointSmooth rebarsMechanics of MaterialsMechanics of MaterialFlexureCivil and Structural Engineeringdescription
In this paper an analytical model in a closed form able to reproduce the monotonic flexural response of external RC beam-column joints with smooth rebars is presented. The column is subjected to a constant vertical load and the beam to a monotonically increasing lateral force applied at the tip. The model is based on the flexural behavior of the beam and the column determined adopting a concentrated plasticity hinge model including slippage of the main reinforcing bars of the beam. A simplified bilinear moment-axial force domain is assumed to derive the ultimate moment associated with the design axial force. For the joint, a simple truss model is adopted to predict shear strength and panel distortion. Experimental data recently given in the literature referring to the load-deflection response of external RC joints with smooth rebars are utilized to validate the model, showing good agreement. Finally, the proposed model can be considered a useful instrument for preliminary static verification of existing external RC beam-column joints with smooth rebars for both strength and ductility verification.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2018-01-01 |