FRP Pedestrian Bridges—Analysis of Different Infill Configurations

The main aim of this study is to analyze fiber-reinforced polymer (FRP) bridge decks according to their material, cross-section, and shape geometry. Infill cell configurations of the decks (rectangular, triangular, trapezoidal, and honeycomb) were tested based on the FRP cell units available in the...

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Autores principales:	Lucija Stepinac, Ana Skender, Domagoj Damjanović, Josip Galić
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	FRP deck pedestrian bridges pultruded deck sandwich deck cell configuration laminate Building construction TH1-9745
Acceso en línea:	https://doaj.org/article/03dfcf45a3f44186854ad479cd5cd49f
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spelling	oai:doaj.org-article:03dfcf45a3f44186854ad479cd5cd49f2021-11-25T17:00:49ZFRP Pedestrian Bridges—Analysis of Different Infill Configurations10.3390/buildings111105642075-5309https://doaj.org/article/03dfcf45a3f44186854ad479cd5cd49f2021-11-01T00:00:00Zhttps://www.mdpi.com/2075-5309/11/11/564https://doaj.org/toc/2075-5309The main aim of this study is to analyze fiber-reinforced polymer (FRP) bridge decks according to their material, cross-section, and shape geometry. Infill cell configurations of the decks (rectangular, triangular, trapezoidal, and honeycomb) were tested based on the FRP cell units available in the market. A comparison was made for each cell configuration in flat and curved bridge shapes. Another comparison was made between the material properties. Each model was computed for a composite layup material and a quasi-isotropic material. The quasi-isotropic material represents chopped fibers within a matrix. FE (finite element) analysis was performed on a total of 24 models using Abaqus software. The results show that the bridge shape geometry and infill configuration play an important role in increasing the stiffness, more so than improving the material properties. The arch shape of the bridge deck with quasi-isotropic material and chopped fibers was compared to the cross-ply laminate material in a flat bridge deck. The results show that the arch shape of the bridge deck contributed to the overall stiffness by reducing the deformation by an average of 30–40%. The results of this preliminary study will provide a basis for future research into form finding and laboratory testing.Lucija StepinacAna SkenderDomagoj DamjanovićJosip GalićMDPI AGarticleFRP deckpedestrian bridgespultruded decksandwich deckcell configurationlaminateBuilding constructionTH1-9745ENBuildings, Vol 11, Iss 564, p 564 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	FRP deck pedestrian bridges pultruded deck sandwich deck cell configuration laminate Building construction TH1-9745
spellingShingle	FRP deck pedestrian bridges pultruded deck sandwich deck cell configuration laminate Building construction TH1-9745 Lucija Stepinac Ana Skender Domagoj Damjanović Josip Galić FRP Pedestrian Bridges—Analysis of Different Infill Configurations
description	The main aim of this study is to analyze fiber-reinforced polymer (FRP) bridge decks according to their material, cross-section, and shape geometry. Infill cell configurations of the decks (rectangular, triangular, trapezoidal, and honeycomb) were tested based on the FRP cell units available in the market. A comparison was made for each cell configuration in flat and curved bridge shapes. Another comparison was made between the material properties. Each model was computed for a composite layup material and a quasi-isotropic material. The quasi-isotropic material represents chopped fibers within a matrix. FE (finite element) analysis was performed on a total of 24 models using Abaqus software. The results show that the bridge shape geometry and infill configuration play an important role in increasing the stiffness, more so than improving the material properties. The arch shape of the bridge deck with quasi-isotropic material and chopped fibers was compared to the cross-ply laminate material in a flat bridge deck. The results show that the arch shape of the bridge deck contributed to the overall stiffness by reducing the deformation by an average of 30–40%. The results of this preliminary study will provide a basis for future research into form finding and laboratory testing.
format	article
author	Lucija Stepinac Ana Skender Domagoj Damjanović Josip Galić
author_facet	Lucija Stepinac Ana Skender Domagoj Damjanović Josip Galić
author_sort	Lucija Stepinac
title	FRP Pedestrian Bridges—Analysis of Different Infill Configurations
title_short	FRP Pedestrian Bridges—Analysis of Different Infill Configurations
title_full	FRP Pedestrian Bridges—Analysis of Different Infill Configurations
title_fullStr	FRP Pedestrian Bridges—Analysis of Different Infill Configurations
title_full_unstemmed	FRP Pedestrian Bridges—Analysis of Different Infill Configurations
title_sort	frp pedestrian bridges—analysis of different infill configurations
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/03dfcf45a3f44186854ad479cd5cd49f
work_keys_str_mv	AT lucijastepinac frppedestrianbridgesanalysisofdifferentinfillconfigurations AT anaskender frppedestrianbridgesanalysisofdifferentinfillconfigurations AT domagojdamjanovic frppedestrianbridgesanalysisofdifferentinfillconfigurations AT josipgalic frppedestrianbridgesanalysisofdifferentinfillconfigurations
_version_	1718412754206851072

FRP Pedestrian Bridges—Analysis of Different Infill Configurations

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