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Innovative decoupling system for the seismic protection of masonry infill walls in reinforced concrete frames

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2019
Authors
Marinković, Marko
Butenweg, Christoph
Article (Published version)
,
Elsevier
Metadata
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Abstract
Reinforced concrete frame structures with masonry infills often exhibit serious damage after earthquake events, as the infills are generally installed without additional constructive measures in contact to the reinforced concrete frame. The masonry infills constructed in this way experience an unplanned interaction with the surrounding RC frame and thus become part of the horizontal load-bearing system with in-plane loading. This interaction combined with seismically induced loads perpendicular to the infill panel often leads to total collapses of the masonry infills and heavy damages to the RC frames. This fact was the motivation to develop an innovative system for decoupling the RC frame and the masonry infill with a special profile made of elastomeric cellular material within the collaborative European research project INSYSME (Innovative Systems for Earthquake Resistant Masonry Enclosures in Reinforced Concrete Buildings). The profile allows relative displacements between the RC fr...ame and the masonry infill and serves at the same time as a support for out-of-plane loads. The article first explains the design and installation of the system and provides an overview of the load bearing capacities determined through small specimen tests on the system components. Subsequently, fundamental experimental investigations on traditional and decoupled RC frames infilled with high thermal insulating clay bricks for separate and combined in-plane ‬and out-of-plane loading are presented. Based on a detailed evaluation and comparison of the test results, the performance and effectiveness of the developed system are illustrated.

Keywords:
infill masonry / reinforced concrete frame / earthquake / INSYSME / isolating element / INODIS / decoupling
Source:
Engineering Structures, 2019, 197, 109435-
Publisher:
  • Elsevier

DOI: 10.1016/j.engstruct.2019.109435

ISSN: 0141-0296

WoS: 000503100200069

Scopus: 2-s2.0-85073652129
[ Google Scholar ]
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URI
https://grafar.grf.bg.ac.rs/handle/123456789/1748
Collections
  • Radovi istraživača / Researcher's publications
  • Катедра за техничку механику и теорију конструкција
Institution/Community
GraFar
TY  - JOUR
AU  - Marinković, Marko
AU  - Butenweg, Christoph
PY  - 2019
UR  - https://grafar.grf.bg.ac.rs/handle/123456789/1748
AB  - Reinforced concrete frame structures with masonry infills often exhibit serious damage after earthquake events, as the infills are generally installed without additional constructive measures in contact to the reinforced concrete frame. The masonry infills constructed in this way experience an unplanned interaction with the surrounding RC frame and thus become part of the horizontal load-bearing system with in-plane loading. This interaction combined with seismically induced loads perpendicular to the infill panel often leads to total collapses of the masonry infills and heavy damages to the RC frames. This fact was the motivation to develop an innovative system for decoupling the RC frame and the masonry infill with a special profile made of elastomeric cellular material within the collaborative European research project INSYSME (Innovative Systems for Earthquake Resistant Masonry Enclosures in Reinforced Concrete Buildings). The profile allows relative displacements between the RC frame and the masonry infill and serves at the same time as a support for out-of-plane loads. The article first explains the design and installation of the system and provides an overview of the load bearing capacities determined through small specimen tests on the system components. Subsequently, fundamental experimental investigations on traditional and decoupled RC frames infilled with high thermal insulating clay bricks for separate and combined in-plane ‬and out-of-plane loading are presented. Based on a detailed evaluation and comparison of the test results, the performance and effectiveness of the developed system are illustrated.
PB  - Elsevier
T2  - Engineering Structures
T1  - Innovative decoupling system for the seismic protection of masonry infill walls in reinforced concrete frames
SP  - 109435
VL  - 197
DO  - 10.1016/j.engstruct.2019.109435
ER  - 
@article{
author = "Marinković, Marko and Butenweg, Christoph",
year = "2019",
abstract = "Reinforced concrete frame structures with masonry infills often exhibit serious damage after earthquake events, as the infills are generally installed without additional constructive measures in contact to the reinforced concrete frame. The masonry infills constructed in this way experience an unplanned interaction with the surrounding RC frame and thus become part of the horizontal load-bearing system with in-plane loading. This interaction combined with seismically induced loads perpendicular to the infill panel often leads to total collapses of the masonry infills and heavy damages to the RC frames. This fact was the motivation to develop an innovative system for decoupling the RC frame and the masonry infill with a special profile made of elastomeric cellular material within the collaborative European research project INSYSME (Innovative Systems for Earthquake Resistant Masonry Enclosures in Reinforced Concrete Buildings). The profile allows relative displacements between the RC frame and the masonry infill and serves at the same time as a support for out-of-plane loads. The article first explains the design and installation of the system and provides an overview of the load bearing capacities determined through small specimen tests on the system components. Subsequently, fundamental experimental investigations on traditional and decoupled RC frames infilled with high thermal insulating clay bricks for separate and combined in-plane ‬and out-of-plane loading are presented. Based on a detailed evaluation and comparison of the test results, the performance and effectiveness of the developed system are illustrated.",
publisher = "Elsevier",
journal = "Engineering Structures",
title = "Innovative decoupling system for the seismic protection of masonry infill walls in reinforced concrete frames",
pages = "109435",
volume = "197",
doi = "10.1016/j.engstruct.2019.109435"
}
Marinković, M.,& Butenweg, C.. (2019). Innovative decoupling system for the seismic protection of masonry infill walls in reinforced concrete frames. in Engineering Structures
Elsevier., 197, 109435.
https://doi.org/10.1016/j.engstruct.2019.109435
Marinković M, Butenweg C. Innovative decoupling system for the seismic protection of masonry infill walls in reinforced concrete frames. in Engineering Structures. 2019;197:109435.
doi:10.1016/j.engstruct.2019.109435 .
Marinković, Marko, Butenweg, Christoph, "Innovative decoupling system for the seismic protection of masonry infill walls in reinforced concrete frames" in Engineering Structures, 197 (2019):109435,
https://doi.org/10.1016/j.engstruct.2019.109435 . .

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