FRP composite materials strengthening of flat steel elements

The article describes the study on the impact of FRP composite materials strengthening of flat steel slab. The influence of changing of bond end geometry on three point bending behavior of flat steel elements reinforced by CFRP patch has been investigated. A bond failure at steel-adhesive interface...

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Main Authors: Marek Łagoda, Maciej Kowal
Format: Article
Language:English
Published: Lublin University of Technology 2014-06-01
Series:Budownictwo i Architektura
Subjects:
Online Access:https://ph.pollub.pl/index.php/bia/article/view/1903
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author Marek Łagoda
Maciej Kowal
author_facet Marek Łagoda
Maciej Kowal
author_sort Marek Łagoda
collection DOAJ
description The article describes the study on the impact of FRP composite materials strengthening of flat steel slab. The influence of changing of bond end geometry on three point bending behavior of flat steel elements reinforced by CFRP patch has been investigated. A bond failure at steel-adhesive interface was a dominant failure mode. The test results showed clearly that geometry change of the bond end of strengthening CFRP plate and adhesive can significantly increase bond capacity. The use of reverse taper of CFRP patch with adhesive fillet tapes can improve the load capacity of the adhesive joint on the bending of the flat steel element reinforced by FRP patch. Conclusions and plan of further works on steel elements CFRP strengthening were described.
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spelling doaj.art-54585c5b7346481492eb135d681e45232024-03-02T12:58:33ZengLublin University of TechnologyBudownictwo i Architektura1899-06652544-32752014-06-0113210.35784/bud-arch.1903FRP composite materials strengthening of flat steel elementsMarek Łagoda0Maciej Kowal1Road and Bridge Research InstituteDepartment of Road and Bridge, Faculty of Civil Engineering and Architecture, Lublin University of TechnologyThe article describes the study on the impact of FRP composite materials strengthening of flat steel slab. The influence of changing of bond end geometry on three point bending behavior of flat steel elements reinforced by CFRP patch has been investigated. A bond failure at steel-adhesive interface was a dominant failure mode. The test results showed clearly that geometry change of the bond end of strengthening CFRP plate and adhesive can significantly increase bond capacity. The use of reverse taper of CFRP patch with adhesive fillet tapes can improve the load capacity of the adhesive joint on the bending of the flat steel element reinforced by FRP patch. Conclusions and plan of further works on steel elements CFRP strengthening were described.https://ph.pollub.pl/index.php/bia/article/view/1903metallic structuresstrengtheningsteelFRP compositesbond end shapingjoint capacity
spellingShingle Marek Łagoda
Maciej Kowal
FRP composite materials strengthening of flat steel elements
Budownictwo i Architektura
metallic structures
strengthening
steel
FRP composites
bond end shaping
joint capacity
title FRP composite materials strengthening of flat steel elements
title_full FRP composite materials strengthening of flat steel elements
title_fullStr FRP composite materials strengthening of flat steel elements
title_full_unstemmed FRP composite materials strengthening of flat steel elements
title_short FRP composite materials strengthening of flat steel elements
title_sort frp composite materials strengthening of flat steel elements
topic metallic structures
strengthening
steel
FRP composites
bond end shaping
joint capacity
url https://ph.pollub.pl/index.php/bia/article/view/1903
work_keys_str_mv AT marekłagoda frpcompositematerialsstrengtheningofflatsteelelements
AT maciejkowal frpcompositematerialsstrengtheningofflatsteelelements