This paper presents the new material developed inside the OpenSees by considering constitute modelfor the concrete subjected to revere cycling and monotonic loading. The new material intended toprovide the ability of model the cyclic behaviour of concrete subjected to compression in thecomputational programme. The analytical formulation proposed by the Braga, Gigliotti and Laterza(BGL model, 2006) is used for the envelope and reverse (loading and reloading) action of the materialgovern by the Yassin (1994) approach, which is given bilinear curve for unloading and loading. The lateral confinement of concrete enhances the strength and durability of the reinforcement concretesignificantly. Introducing this uniaxial material inside the OpenSees is capable to model the influenceof transverse hoops, ties and/or FRP, external wrapping with the section considered. Many numbers ofgreat researches have been conducted to understand the real compressive and tension behaviour of thereinforced concrete based on the experimental programme and analytical formulations. Research oncycling response of concrete is becoming a challenge of the earthquake engineering for modelling andcapable prediction of hysteretic characters of the reinforced concrete. This research work is devoted todevelop the computational methods to model and analyse the reinforced concrete structures subjectedto revere cycling specially by applying the confinement influence to section (Beam, column or jointpanel)

Analytical cyclic constitutive model for confined concrete implementation in OpenSees: ConfinedConcrete02

THANTHIRIGE, LAKSIRI PRADEEP;BRAGA, Franco;GIGLIOTTI, Rosario;LATERZA, Michelangelo;D'AMATO, MICHELE
2013-01-01

Abstract

This paper presents the new material developed inside the OpenSees by considering constitute modelfor the concrete subjected to revere cycling and monotonic loading. The new material intended toprovide the ability of model the cyclic behaviour of concrete subjected to compression in thecomputational programme. The analytical formulation proposed by the Braga, Gigliotti and Laterza(BGL model, 2006) is used for the envelope and reverse (loading and reloading) action of the materialgovern by the Yassin (1994) approach, which is given bilinear curve for unloading and loading. The lateral confinement of concrete enhances the strength and durability of the reinforcement concretesignificantly. Introducing this uniaxial material inside the OpenSees is capable to model the influenceof transverse hoops, ties and/or FRP, external wrapping with the section considered. Many numbers ofgreat researches have been conducted to understand the real compressive and tension behaviour of thereinforced concrete based on the experimental programme and analytical formulations. Research oncycling response of concrete is becoming a challenge of the earthquake engineering for modelling andcapable prediction of hysteretic characters of the reinforced concrete. This research work is devoted todevelop the computational methods to model and analyse the reinforced concrete structures subjectedto revere cycling specially by applying the confinement influence to section (Beam, column or jointpanel)
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11563/63656
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