Experimental investigation on masonry structural joint repointing with cement-polymer mortar and polypropylene strips
Unreinforced masonry structures are prevalent in urban areas. Many of these structures are vulnerable to earthquakes, which are the primary causes of damage and failure. Therefore, conducting comprehensive studies to assess the structural capacity of these buildings is crucial for understanding thei...
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| Format: | Article |
| Language: | English |
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Croatian Association of Civil Engineers
2024-09-01
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| Series: | Građevinar |
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| Online Access: | https://doi.org/10.14256/JCE.3893.2023 |
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| author | Sergey Churilov Elena Dumova-Jovanoska Veronika Shendova Lidija Krstevska Bojan Damchevski Dime Janchev |
| author_facet | Sergey Churilov Elena Dumova-Jovanoska Veronika Shendova Lidija Krstevska Bojan Damchevski Dime Janchev |
| author_sort | Sergey Churilov |
| collection | DOAJ |
| description | Unreinforced masonry structures are prevalent in urban areas. Many of these structures are vulnerable to earthquakes, which are the primary causes of damage and failure. Therefore, conducting comprehensive studies to assess the structural capacity of these buildings is crucial for understanding their behaviour and vulnerability and for proposing effective strengthening measures. This integrated experimental and numerical study explored the effectiveness of joint repointing as a viable method for strengthening masonry structures. A review of recent research on various joint repointing techniques and materials is presented in the first part of this paper. The experimental investigations of unreinforced and strengthened masonry panels, utilising cement-polymer mortar and polypropylene strips in bed joints subjected to compressive and diagonal compressive strengths, are detailed. The experimental results demonstrate that structural joint repointing significantly improves the strength and has a minor effect on the ductility of the masonry, particularly when the original mortar has low-strength properties, as expected in existing buildings. The obtained results enable the calibration of nonlinear numerical models and modelling strategies used to study the elements in a more extensive manner, allowing for parametric studies and the application of the findings to existing buildings. |
| format | Article |
| id | doaj-art-a215528236b144af84d5ececacb2e0b3 |
| institution | DOAJ |
| issn | 0350-2465 1333-9095 |
| language | English |
| publishDate | 2024-09-01 |
| publisher | Croatian Association of Civil Engineers |
| record_format | Article |
| series | Građevinar |
| spelling | doaj-art-a215528236b144af84d5ececacb2e0b32025-08-20T02:59:15ZengCroatian Association of Civil EngineersGrađevinar0350-24651333-90952024-09-017607.60762010.14256/JCE.3893.2023Experimental investigation on masonry structural joint repointing with cement-polymer mortar and polypropylene stripsSergey ChurilovElena Dumova-JovanoskaVeronika ShendovaLidija KrstevskaBojan DamchevskiDime JanchevUnreinforced masonry structures are prevalent in urban areas. Many of these structures are vulnerable to earthquakes, which are the primary causes of damage and failure. Therefore, conducting comprehensive studies to assess the structural capacity of these buildings is crucial for understanding their behaviour and vulnerability and for proposing effective strengthening measures. This integrated experimental and numerical study explored the effectiveness of joint repointing as a viable method for strengthening masonry structures. A review of recent research on various joint repointing techniques and materials is presented in the first part of this paper. The experimental investigations of unreinforced and strengthened masonry panels, utilising cement-polymer mortar and polypropylene strips in bed joints subjected to compressive and diagonal compressive strengths, are detailed. The experimental results demonstrate that structural joint repointing significantly improves the strength and has a minor effect on the ductility of the masonry, particularly when the original mortar has low-strength properties, as expected in existing buildings. The obtained results enable the calibration of nonlinear numerical models and modelling strategies used to study the elements in a more extensive manner, allowing for parametric studies and the application of the findings to existing buildings.https://doi.org/10.14256/JCE.3893.2023masonrystrengtheningjoint repointingexperimental investigationstructural stability |
| spellingShingle | Sergey Churilov Elena Dumova-Jovanoska Veronika Shendova Lidija Krstevska Bojan Damchevski Dime Janchev Experimental investigation on masonry structural joint repointing with cement-polymer mortar and polypropylene strips Građevinar masonry strengthening joint repointing experimental investigation structural stability |
| title | Experimental investigation on masonry structural joint repointing with cement-polymer mortar and polypropylene strips |
| title_full | Experimental investigation on masonry structural joint repointing with cement-polymer mortar and polypropylene strips |
| title_fullStr | Experimental investigation on masonry structural joint repointing with cement-polymer mortar and polypropylene strips |
| title_full_unstemmed | Experimental investigation on masonry structural joint repointing with cement-polymer mortar and polypropylene strips |
| title_short | Experimental investigation on masonry structural joint repointing with cement-polymer mortar and polypropylene strips |
| title_sort | experimental investigation on masonry structural joint repointing with cement polymer mortar and polypropylene strips |
| topic | masonry strengthening joint repointing experimental investigation structural stability |
| url | https://doi.org/10.14256/JCE.3893.2023 |
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