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Out-of-plane experimental study of strengthening slender non-structural masonry walls
ID Klun, Martin (Author), ID Antolinc, David (Author), ID Bosiljkov, Vlatko (Author)

URLURL - Source URL, Visit https://www.mdpi.com/2076-3417/11/19/9098 This link opens in a new window

Abstract
Non-structural masonry partition walls, which are mainly designed to functionally separate spaces in the buildings and provide physical barriers between rooms, were traditionally built from either solid or hollow clay units or autoclaved aerated concrete blocks. Recent earthquakes have revealed the high vulnerability of these elements, even in the case of low to moderate seismic events. Public buildings (e.g., hospitals and schools) are particularly vulnerable. Due to their greater floor-to-floor heights and the response spectra of floors, the dynamic response of primary structure may provoke significantly higher seismic loads on partition walls. The main goal of the presented experimental study was to investigate the behavior of slender partition walls loaded out-of-plane with a simple and cost-effective approach that may be applied through routine refurbishment works. Eleven full-scale slender non-structural masonry partition walls were built with brickwork and cement lime mortar. Eight of them were additionally strengthened with different techniques, including glass fiber-reinforcing fabric and low-cost glass fiber-rendering mesh. To evaluate the efficiency of the applied strengthening solutions, out-of-plane quasi-static cyclic experiments were conducted. By applying meshes over the entire surfaces, the resistance was significantly improved with the low-cost approach reaching half of the resistance of the commercially available strengthening system preserving the same displacement capacity.

Language:English
Keywords:non-structural masonry partition walls, seismic strengthening, glass fiber, out-of-plane behavior, cyclic loading
Work type:Scientific work
Typology:1.01 - Original Scientific Article
Organization:FGG - Faculty of Civil and Geodetic Engineering
Publication status:Published
Publication version:Author Accepted Manuscript
Submitted for review:18.08.2021
Article acceptance date:27.09.2021
Publication date:29.09.2021
Year:2021
Number of pages:[25] str.
Numbering:Vol. 11, iss. 19
PID:20.500.12556/RUL-131849 This link opens in a new window
UDC:624.04
ISSN on article:2076-3417
DOI:10.3390/app11199098 This link opens in a new window
COBISS.SI-ID:78654211 This link opens in a new window
Publication date in RUL:04.10.2021
Views:2658
Downloads:57
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Record is a part of a journal

Title:Applied sciences
Shortened title:Appl. sci.
Publisher:MDPI
ISSN:2076-3417
COBISS.SI-ID:522979353 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:29.09.2021

Secondary language

Language:Slovenian
Keywords:nekonstrukcijski predelni zidovi, protipotresno utrjevanje, steklena vlakna, izvenravninsko obrnašanje, ciklično obremenjevanje

Projects

Funder:ARRS - Slovenian Research Agency
Project number:P2-0185
Name:Potresno inženirstvo

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