<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>This study discusses nonlinear modelling of a reinforced concrete wall utilizing the nonlinear layered shell approach. Rebar, unconfined and confined concrete behaviours are defined nonlinearly using proposed analytical models in the literature. Then, finite element model is validated using experimental results. It is shown that the nonlinear layered shell approach is capable of estimating wall response (i.e., stiffness, ultimate strength, and cracking pattern) with adequate accuracy and low computational effort. Modal analysis is conducted to evaluate the inherent characteristics of the wall to choose a logical loading pattern for the nonlinear static analysis. Moreover, pushover analysis’ outputs are interpreted comprehensibly from cracking of the concrete until reaching the rupture step by step.</p>
</abstract>

This study discusses nonlinear modelling of a reinforced concrete wall utilizing the nonlinear layered shell approach. Rebar, unconfined and confined concrete behaviours are defined nonlinearly using proposed analytical models in the literature. Then, finite element model is validated using experimental results. It is shown that the nonlinear layered shell approach is capable of estimating wall response (i.e., stiffness, ultimate strength, and cracking pattern) with adequate accuracy and low computational effort. Modal analysis is conducted to evaluate the inherent characteristics of the wall to choose a logical loading pattern for the nonlinear static analysis. Moreover, pushover analysis’ outputs are interpreted comprehensibly from cracking of the concrete until reaching the rupture step by step.

Nonlinear Analysis of Reinforced Concrete Shear Walls Using Nonlinear Layered Shell Approach

Doctoral Researcher, Faculty of Built Engineering

Nordic Concrete Research

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

This study discusses nonlinear modelling of a reinforced concrete wall utilizing the nonlinear layered shell approach. Rebar, unconfined and confined concrete...

Nonlinear Analysis of Reinforced Concrete Shear Walls Using Nonlinear Layered Shell Approach

Published Online: Dec 30, 2021

Page range: 63 - 79

Received: Sep 10, 2021

Accepted: Nov 29, 2021

DOI: https://doi.org/10.2478/ncr-2021-0014

Keywords
Crack, Nonlinear analysis, Pushover analysis, Reinforced concrete wall, Shell

© 2021 Ali Vatanshenas, published by Sciendo

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

Nonlinear Analysis of Reinforced Concrete Shear Walls Using Nonlinear Layered Shell Approach

Published Online: Dec 30, 2021

Page range: 63 - 79

Received: Sep 10, 2021

Accepted: Nov 29, 2021

DOI: https://doi.org/10.2478/ncr-2021-0014

KeywordsCrack, Nonlinear analysis, Pushover analysis, Reinforced concrete wall, Shell

© 2021 Ali Vatanshenas, published by Sciendo

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

Keywords
Crack, Nonlinear analysis, Pushover analysis, Reinforced concrete wall, Shell