Combined Flexural and Shear Strengthening of RC T-Beams with FRP and TRM: Experimental Study and Parametric Finite Element Analyses

Due to inadequacies of reinforcement design in older structures and changes in building codes, but also the change of building use in existing structures, reinforced concrete (RC) beams often require upgrading during building renovation. The combined shear and flexural strengthening with composite m...

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Autores principales:	Daniel A. Pohoryles, Jose Melo, Tiziana Rossetto
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	RC beams FRP TRM retrofit experiment finite element modelling Building construction TH1-9745
Acceso en línea:	https://doaj.org/article/73a2d6b56c2747dcb99bf2f603e78870
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spelling	oai:doaj.org-article:73a2d6b56c2747dcb99bf2f603e788702021-11-25T16:59:44ZCombined Flexural and Shear Strengthening of RC T-Beams with FRP and TRM: Experimental Study and Parametric Finite Element Analyses10.3390/buildings111105202075-5309https://doaj.org/article/73a2d6b56c2747dcb99bf2f603e788702021-11-01T00:00:00Zhttps://www.mdpi.com/2075-5309/11/11/520https://doaj.org/toc/2075-5309Due to inadequacies of reinforcement design in older structures and changes in building codes, but also the change of building use in existing structures, reinforced concrete (RC) beams often require upgrading during building renovation. The combined shear and flexural strengthening with composite materials, fibre-reinforced polymer sheets (FRP) and textile reinforced mortars (TRM), is assessed in this study. An experimental campaign on twelve half-scale retrofitted RC beams is presented, looking at various parameters of interest, including the effect of the steel reinforcement ratio on the retrofit effectiveness, the amount of composite material used for strengthening and the effect of the shear span, as well as the difference in effectiveness of FRP and TRM in strengthening RC beams. Significant effects on the shear capacity of composite retrofitted beams are observed for all studied parameters. The experimental study is used as a basis for developing a detailed finite element (FE) model for RC beams strengthened with FRP. The results of the FE model are compared to the experimental results and used to design a parametric study to further study the effect of the investigated parameters on the retrofit effectiveness.Daniel A. PohorylesJose MeloTiziana RossettoMDPI AGarticleRC beamsFRPTRMretrofitexperimentfinite element modellingBuilding constructionTH1-9745ENBuildings, Vol 11, Iss 520, p 520 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	RC beams FRP TRM retrofit experiment finite element modelling Building construction TH1-9745
spellingShingle	RC beams FRP TRM retrofit experiment finite element modelling Building construction TH1-9745 Daniel A. Pohoryles Jose Melo Tiziana Rossetto Combined Flexural and Shear Strengthening of RC T-Beams with FRP and TRM: Experimental Study and Parametric Finite Element Analyses
description	Due to inadequacies of reinforcement design in older structures and changes in building codes, but also the change of building use in existing structures, reinforced concrete (RC) beams often require upgrading during building renovation. The combined shear and flexural strengthening with composite materials, fibre-reinforced polymer sheets (FRP) and textile reinforced mortars (TRM), is assessed in this study. An experimental campaign on twelve half-scale retrofitted RC beams is presented, looking at various parameters of interest, including the effect of the steel reinforcement ratio on the retrofit effectiveness, the amount of composite material used for strengthening and the effect of the shear span, as well as the difference in effectiveness of FRP and TRM in strengthening RC beams. Significant effects on the shear capacity of composite retrofitted beams are observed for all studied parameters. The experimental study is used as a basis for developing a detailed finite element (FE) model for RC beams strengthened with FRP. The results of the FE model are compared to the experimental results and used to design a parametric study to further study the effect of the investigated parameters on the retrofit effectiveness.
format	article
author	Daniel A. Pohoryles Jose Melo Tiziana Rossetto
author_facet	Daniel A. Pohoryles Jose Melo Tiziana Rossetto
author_sort	Daniel A. Pohoryles
title	Combined Flexural and Shear Strengthening of RC T-Beams with FRP and TRM: Experimental Study and Parametric Finite Element Analyses
title_short	Combined Flexural and Shear Strengthening of RC T-Beams with FRP and TRM: Experimental Study and Parametric Finite Element Analyses
title_full	Combined Flexural and Shear Strengthening of RC T-Beams with FRP and TRM: Experimental Study and Parametric Finite Element Analyses
title_fullStr	Combined Flexural and Shear Strengthening of RC T-Beams with FRP and TRM: Experimental Study and Parametric Finite Element Analyses
title_full_unstemmed	Combined Flexural and Shear Strengthening of RC T-Beams with FRP and TRM: Experimental Study and Parametric Finite Element Analyses
title_sort	combined flexural and shear strengthening of rc t-beams with frp and trm: experimental study and parametric finite element analyses
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/73a2d6b56c2747dcb99bf2f603e78870
work_keys_str_mv	AT danielapohoryles combinedflexuralandshearstrengtheningofrctbeamswithfrpandtrmexperimentalstudyandparametricfiniteelementanalyses AT josemelo combinedflexuralandshearstrengtheningofrctbeamswithfrpandtrmexperimentalstudyandparametricfiniteelementanalyses AT tizianarossetto combinedflexuralandshearstrengtheningofrctbeamswithfrpandtrmexperimentalstudyandparametricfiniteelementanalyses
_version_	1718412782797324288

Combined Flexural and Shear Strengthening of RC T-Beams with FRP and TRM: Experimental Study and Parametric Finite Element Analyses

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