<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The paper presents a simplified calculation method to predict, as accurate as possible, the most important characteristics of the behaviour of the slender reinforced concrete shear walls in the inelastic range: failure mode, strength capacity, flexural and shear deformations, sectional and element ductility. The formulation is based on nonlinear beam element with taking into account the influence of shear, both on strength and stiffness of the wall. The principal parameters incorporated in the calculation model are: the rectangular shape of the cross section, the aspect ratio of the wall, the most accurate constitutive relationships for the compressed concrete and for the reinforcement steel, both in compression and in tension (including the strengthening of the steel after yielding), the variation of the Poisson ratio of the concrete, the amount and distribution of the vertical reinforcement. The model uses the concept of distributed (smeared) plasticity along the element and so the flexural deformations are computed by integrating the actual curvatures on the height of the wall. The shear deformations are also calculated, in agreement with the results of some recent experimental researches. The calculation method was then applied to two experimental wall specimens and their force – horizontal top displacement curves were plotted.</p></abstract>

The paper presents a simplified calculation method to predict, as accurate as possible, the most important characteristics of the behaviour of the slender reinforced concrete shear walls in the inelastic range: failure mode, strength capacity, flexural and shear deformations, sectional and element ductility. The formulation is based on nonlinear beam element with taking into account the influence of shear, both on strength and stiffness of the wall. The principal parameters incorporated in the calculation model are: the rectangular shape of the cross section, the aspect ratio of the wall, the most accurate constitutive relationships for the compressed concrete and for the reinforcement steel, both in compression and in tension (including the strengthening of the steel after yielding), the variation of the Poisson ratio of the concrete, the amount and distribution of the vertical reinforcement. The model uses the concept of distributed (smeared) plasticity along the element and so the flexural deformations are computed by integrating the actual curvatures on the height of the wall. The shear deformations are also calculated, in agreement with the results of some recent experimental researches. The calculation method was then applied to two experimental wall specimens and their force – horizontal top displacement curves were plotted.

Application Of The Distributed Plasticity Concept In Quick Nonlinear Analysis Of Reinforced Concrete Shear Walls

University of Oradea, Faculty of Civil Engineering and Architecture, 4, B.S. Delavrancea Street, Oradea, Romania

Technical University of Cluj-Napoca, Faculty of Civil Engineering, 15, C. Daicoviciu Street, Cluj-Napoca, Romania

Journal of Applied Engineering Sciences

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The paper presents a simplified calculation method to predict, as accurate as possible, the most important characteristics of the behaviour of the slender...

Application Of The Distributed Plasticity Concept In Quick Nonlinear Analysis Of Reinforced Concrete Shear Walls

Pubblicato online: 08 giu 2015

Pagine: 109 - 118

Ricevuto: 15 mar 2015

Accettato: 30 mar 2015

DOI: https://doi.org/10.1515/jaes-2015-0014

Parole chiave
Reinforced Concrete, Shear Wall, Nonlinear Analysis, Push–Over Analysis, Shear Deformations

© F. S. Trifa et al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Application Of The Distributed Plasticity Concept In Quick Nonlinear Analysis Of Reinforced Concrete Shear Walls

Pubblicato online: 08 giu 2015

Pagine: 109 - 118

Ricevuto: 15 mar 2015

Accettato: 30 mar 2015

DOI: https://doi.org/10.1515/jaes-2015-0014

Parole chiaveReinforced Concrete, Shear Wall, Nonlinear Analysis, Push–Over Analysis, Shear Deformations

© F. S. Trifa et al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Parole chiave
Reinforced Concrete, Shear Wall, Nonlinear Analysis, Push–Over Analysis, Shear Deformations