Experimental study on strengthening effects of glass fibre-reinforced polymers on masonry infilled reinforced concrete frames

This work examines the potential strengthening effect of glass fibre-reinforced polymers (GFRPs) on masonry infilled reinforced concrete (RC) frames. The experimental investigation is conducted in two stages. Initially, the behaviours of masonry infilled RC frames, including their internal interacti...

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Bibliographic Details
Published in:European journal of environmental and civil engineering 2021-01, Vol.25 (2), p.322-336
Main Authors: Dautaj, Arton D., Krasniqi, Cene, Sadikaj, Anita, Shatri, Burbuqe, Kabashi, Naser
Format: Article
Language:English
Subjects:
glass fibre
Masonry infill
strengthened structures
ultimate failure mechanism
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Summary:This work examines the potential strengthening effect of glass fibre-reinforced polymers (GFRPs) on masonry infilled reinforced concrete (RC) frames. The experimental investigation is conducted in two stages. Initially, the behaviours of masonry infilled RC frames, including their internal interactions, lateral strength, failure modes (considering both masonry and beam-column joint failures) and ultimate failure mechanism, are characterised using six different test units. The observed behaviours are used to develop a strategy for strengthening of masonry infilled RC frames by the incorporation of GFRPs. The impact of GFRP presence on the behaviour of masonry infilled RC frames is comprehensively evaluated and the performances of GFRP-strengthened and unstrengthened structures are compared. The results demonstrate that the addition of GFRPs increases the lateral strength and stiffness significantly and alters the ultimate failure mechanism of masonry infilled RC frames.
ISSN:1964-8189
2116-7214
DOI:10.1080/19648189.2018.1528893