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

<p>The lateral resisting system comprised of hybrid shear walls is often met nowadays for high rise buildings, to reduce the lateral displacements of the building during a seismic event and to limit the damages of non-structural elements. In fact, “hybrid shear walls” term will replace the old terminology used for composite steel concrete shear walls. This structural system develops a very stable seismic behavior under cyclic lateral loads, but the seismic performance of the system could be significantly changed by the openings required for architectural or functional reasons. This paper presents in detail the seismic behavior of a composite steel-concrete shear wall designed with centered openings and partially embedded steel profiles in the edges. The composite wall was subjected to vertical and horizontal loads and tested to full failure using a cyclic loading testing procedure that simulated the action of an earthquake, aiming to record the seismic performance of the wall in terms of bearing capacity, deformation capacity, failure mode and stiffness degradation. The low-dissipative behavior recorded experimentally of the tested specimen was afterward validated and assessed in detail by performing numerical analyses using ATENA 3D Engineering software. The numerical results were extended to investigate furthermore other structural solutions to increase the bearing capacity and the seismic performance of the wall. It was found that a significant increase in deformation capacity could be obtained if the wall coupling beams are reinforced by diagonal steel bars or additional steel plates.</p>
</abstract>

The lateral resisting system comprised of hybrid shear walls is often met nowadays for high rise buildings, to reduce the lateral displacements of the building during a seismic event and to limit the damages of non-structural elements. In fact, “hybrid shear walls” term will replace the old terminology used for composite steel concrete shear walls. This structural system develops a very stable seismic behavior under cyclic lateral loads, but the seismic performance of the system could be significantly changed by the openings required for architectural or functional reasons. This paper presents in detail the seismic behavior of a composite steel-concrete shear wall designed with centered openings and partially embedded steel profiles in the edges. The composite wall was subjected to vertical and horizontal loads and tested to full failure using a cyclic loading testing procedure that simulated the action of an earthquake, aiming to record the seismic performance of the wall in terms of bearing capacity, deformation capacity, failure mode and stiffness degradation. The low-dissipative behavior recorded experimentally of the tested specimen was afterward validated and assessed in detail by performing numerical analyses using ATENA 3D Engineering software. The numerical results were extended to investigate furthermore other structural solutions to increase the bearing capacity and the seismic performance of the wall. It was found that a significant increase in deformation capacity could be obtained if the wall coupling beams are reinforced by diagonal steel bars or additional steel plates.

Numerical Study on the Seismic Performance of Hybrid Shear Walls with Centered Openings

Journal of Applied Engineering Sciences

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The lateral resisting system comprised of hybrid shear walls is often met nowadays for high rise buildings, to reduce the lateral displacements of the building...

Numerical Study on the Seismic Performance of Hybrid Shear Walls with Centered Openings

Pubblicato online: 06 dic 2023

Pagine: 281 - 288

Ricevuto: 14 ago 2023

Accettato: 15 set 2023

DOI: https://doi.org/10.2478/jaes-2023-0036

Parole chiave
Hybrid walls, Shear studs, Numerical modelling, Seismic behavior

© 2023 V. Todea et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Numerical Study on the Seismic Performance of Hybrid Shear Walls with Centered Openings

Pubblicato online: 06 dic 2023

Pagine: 281 - 288

Ricevuto: 14 ago 2023

Accettato: 15 set 2023

DOI: https://doi.org/10.2478/jaes-2023-0036

Parole chiaveHybrid walls, Shear studs, Numerical modelling, Seismic behavior

© 2023 V. Todea et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Parole chiave
Hybrid walls, Shear studs, Numerical modelling, Seismic behavior