Retrofitting with FRCM Composites: Shear and Flexural Behaviour of Strengthened Masonry Walls
Structural strengthening using composite materials is nowadays one of the most interesting techniques to overcome weaknesses of masonry structures constituting large part of the building heritage. The use of FRCM composites is becoming more and more widespread due to some limitations of FRP retrofit...
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Published in | Key engineering materials Vol. 919; pp. 80 - 89 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
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Zurich
Trans Tech Publications Ltd
11.05.2022
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Abstract | Structural strengthening using composite materials is nowadays one of the most interesting techniques to overcome weaknesses of masonry structures constituting large part of the building heritage. The use of FRCM composites is becoming more and more widespread due to some limitations of FRP retrofitting systems. In this framework, the presented experimental study is aimed at evaluating the in-plane and the out-of-plane behaviour of masonry walls strengthened with different types of FRCMs, analyzing in detail failure modes, capacity increments and efficiency of the strengthening systems when tested using two different configurations. To this purpose, bidirectional basalt grids and unidirectional steel fiber sheets, coupled with a lime based mortar, were used for retrofitting clay brick masonry walls subjected to diagonal compression tests and out-of-plane flexural tests. Experimental outcomes, when considering the in-plane or the out-of-plane direction, show that the adopted different layout strictly influences the flexural and shear strengthening efficiency of the reinforcement. |
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AbstractList | Structural strengthening using composite materials is nowadays one of the most interesting techniques to overcome weaknesses of masonry structures constituting large part of the building heritage. The use of FRCM composites is becoming more and more widespread due to some limitations of FRP retrofitting systems. In this framework, the presented experimental study is aimed at evaluating the in-plane and the out-of-plane behaviour of masonry walls strengthened with different types of FRCMs, analyzing in detail failure modes, capacity increments and efficiency of the strengthening systems when tested using two different configurations. To this purpose, bidirectional basalt grids and unidirectional steel fiber sheets, coupled with a lime based mortar, were used for retrofitting clay brick masonry walls subjected to diagonal compression tests and out-of-plane flexural tests. Experimental outcomes, when considering the in-plane or the out-of-plane direction, show that the adopted different layout strictly influences the flexural and shear strengthening efficiency of the reinforcement. |
Author | Incerti, Andrea Bellini, Alessandro Tilocca, Anna Rosa Savoia, Marco |
Author_xml | – givenname: Marco surname: Savoia fullname: Savoia, Marco email: marco.savoia@unibo.it organization: University of Bologna : Department of Architecture (DA) – givenname: Andrea surname: Incerti fullname: Incerti, Andrea email: a.incerti@unibo.it organization: University of Bologna : CIRI Buildings and Construction – givenname: Anna Rosa surname: Tilocca fullname: Tilocca, Anna Rosa email: annarosa.tilocca@unibo.it organization: University of Bologna : CIRI Buildings and Construction – givenname: Alessandro surname: Bellini fullname: Bellini, Alessandro email: alessandro.bellini5@unibo.it organization: University of Bologna : CIRI Buildings and Construction |
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Cites_doi | 10.1115/1.4022665 10.1201/9781003098508-50 10.1007/s41024-019-0053-9 10.1016/j.conbuildmat.2009.08.019 10.1016/j.conbuildmat.2009.11.001 10.1061/(asce)mt.1943-5533.0000128 10.1080/15583058.2017.1323246 10.3403/01905442u 10.3221/igf-esis.12.04 10.4028/www.scientific.net/kem.624.559 10.1080/15583058.2019.1675803 10.1061/(asce)cc.1943-5614.0000457 10.1016/j.compositesb.2016.02.038 10.4028/www.scientific.net/kem.747.158 |
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References | Bellini (4541615) 2017; 747 Babaeidarabad (4541613); 18 4688223 4688222 Feo (4541609); 92 Bellini (4541614) 2017; 12 4688226 4541606 4688221 4541607 Ferretti (4541611) 2019; 15 Incerti (4541610) 2019; 4 Calderini (4688225); 24 Faella (4688220); 24 Harajli (4541612); 22 Mazzotti (4688224) 2014; 624 |
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SubjectTerms | Basalt Brickwork Composite materials Compression tests Coupled walls Failure modes Masonry Metal sheets Retrofitting Steel fibers Strengthening |
Title | Retrofitting with FRCM Composites: Shear and Flexural Behaviour of Strengthened Masonry Walls |
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