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Influence of slab deflection on the out-of-plane capacity of unreinforced masonry partition walls

Authorized Users Only
2023
Authors
Šakić, Bogdan
Marinković, Marko
Butenweg, Christoph
Klinkel, Sven
Article (Published version)
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Abstract
Severe damage of non-structural elements is noticed in previous earthquakes, causing high economic losses and posing a life threat for the people. Masonry partition walls are one of the most commonly used non-structural elements. Therefore, their behaviour under earthquake loading in out-of-plane (OOP) direction is investigated by several researches in the past years. However, none of the existing experimental campaigns or analytical approaches consider the influence of prior slab deflection on OOP response of partition walls. Moreover, none of the existing construction techniques for the connection of partition walls with surrounding reinforced concrete (RC) is investigated for the combined slab deflection and OOP loading. However, the inevitable time-dependent behaviour of RC slabs leads to high values of final slab deflections which can further influence boundary conditions of partition walls. Therefore, a comprehensive study on the influence of slab deflection on the OOP capacity ...of masonry partitions is conducted. In the first step, experimental tests are carried out. Results of experimental tests are further used for the calibration of the numerical model employed for a parametric study. Based on the results, behaviour under combined loading for different construction techniques is explained. The results show that slab deflection leads either to severe damage or to a high reduction of OOP capacity. Existing practical solutions do not account for these effects. In this contribution, recommendations to overcome the problems of combined slab deflection and OOP loading on masonry partition walls are given. Possible interaction of in-plane (IP) loading, with the combined slab deflection and OOP loading on partition walls, is not investigated in this study.

Keywords:
Masonry partition walls / Earthquake / Out-of-plane capacity / Slab deflection
Source:
Engineering Structures, 2023, 276

DOI: 10.1016/j.engstruct.2022.115342

ISSN: 0141-0296

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URI
https://grafar.grf.bg.ac.rs/handle/123456789/2988
Collections
  • Radovi istraživača / Researcher's publications
  • Катедра за техничку механику и теорију конструкција
Institution/Community
GraFar
TY  - JOUR
AU  - Šakić, Bogdan
AU  - Marinković, Marko
AU  - Butenweg, Christoph
AU  - Klinkel, Sven
PY  - 2023
UR  - https://grafar.grf.bg.ac.rs/handle/123456789/2988
AB  - Severe damage of non-structural elements is noticed in previous earthquakes, causing high economic losses and posing a life threat for the people. Masonry partition walls are one of the most commonly used non-structural elements. Therefore, their behaviour under earthquake loading in out-of-plane (OOP) direction is investigated by several researches in the past years.  However, none of the existing experimental campaigns or analytical approaches consider the influence of prior slab deflection on OOP response of partition walls. Moreover, none of the existing construction techniques for the connection of partition walls with surrounding reinforced concrete (RC) is investigated for the combined slab deflection and OOP loading. However, the inevitable time-dependent behaviour of RC slabs leads to high values of final slab deflections which can further influence boundary conditions of partition walls. Therefore, a comprehensive study on the influence of slab deflection on the OOP capacity of masonry partitions is conducted. In the first step, experimental tests are carried out. Results of experimental tests are further used for the calibration of the numerical model employed for a parametric study. Based on the results, behaviour under combined loading for different construction techniques is explained. The results show that slab deflection leads either to severe damage or to a high reduction of OOP capacity. Existing practical solutions do not account for these effects. In this contribution, recommendations to overcome the problems of combined slab deflection and OOP loading on masonry partition walls are given. Possible interaction of in-plane (IP) loading, with the combined slab deflection and OOP loading on partition walls, is not investigated in this study.
T2  - Engineering Structures
T1  - Influence of slab deflection on the out-of-plane capacity of unreinforced masonry partition walls
VL  - 276
DO  - 10.1016/j.engstruct.2022.115342
ER  - 
@article{
author = "Šakić, Bogdan and Marinković, Marko and Butenweg, Christoph and Klinkel, Sven",
year = "2023",
abstract = "Severe damage of non-structural elements is noticed in previous earthquakes, causing high economic losses and posing a life threat for the people. Masonry partition walls are one of the most commonly used non-structural elements. Therefore, their behaviour under earthquake loading in out-of-plane (OOP) direction is investigated by several researches in the past years.  However, none of the existing experimental campaigns or analytical approaches consider the influence of prior slab deflection on OOP response of partition walls. Moreover, none of the existing construction techniques for the connection of partition walls with surrounding reinforced concrete (RC) is investigated for the combined slab deflection and OOP loading. However, the inevitable time-dependent behaviour of RC slabs leads to high values of final slab deflections which can further influence boundary conditions of partition walls. Therefore, a comprehensive study on the influence of slab deflection on the OOP capacity of masonry partitions is conducted. In the first step, experimental tests are carried out. Results of experimental tests are further used for the calibration of the numerical model employed for a parametric study. Based on the results, behaviour under combined loading for different construction techniques is explained. The results show that slab deflection leads either to severe damage or to a high reduction of OOP capacity. Existing practical solutions do not account for these effects. In this contribution, recommendations to overcome the problems of combined slab deflection and OOP loading on masonry partition walls are given. Possible interaction of in-plane (IP) loading, with the combined slab deflection and OOP loading on partition walls, is not investigated in this study.",
journal = "Engineering Structures",
title = "Influence of slab deflection on the out-of-plane capacity of unreinforced masonry partition walls",
volume = "276",
doi = "10.1016/j.engstruct.2022.115342"
}
Šakić, B., Marinković, M., Butenweg, C.,& Klinkel, S.. (2023). Influence of slab deflection on the out-of-plane capacity of unreinforced masonry partition walls. in Engineering Structures, 276.
https://doi.org/10.1016/j.engstruct.2022.115342
Šakić B, Marinković M, Butenweg C, Klinkel S. Influence of slab deflection on the out-of-plane capacity of unreinforced masonry partition walls. in Engineering Structures. 2023;276.
doi:10.1016/j.engstruct.2022.115342 .
Šakić, Bogdan, Marinković, Marko, Butenweg, Christoph, Klinkel, Sven, "Influence of slab deflection on the out-of-plane capacity of unreinforced masonry partition walls" in Engineering Structures, 276 (2023),
https://doi.org/10.1016/j.engstruct.2022.115342 . .

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