Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/3680
Title: The Effects of Eccentric Web Openings on the Compressive Performance of Pultruded GFRP Boxes Wrapped with GFRP and CFRP Sheets
Authors: Madenci, Emrah
Özkılıç, Yasin Onuralp
Aksoylu, Ceyhun
Safonov, Alexander
Keywords: web openings
composite materials
EBR method
fiber-reinforced materials
compressive
pultruded GFRP
FRP wrapping
Reinforced-Concrete Beams
Structural Behavior
Composites
Sections
Civil
Strip
Publisher: MDPI
Abstract: Pultruded fiber-reinforced polymer (PFRP) profiles have started to find widespread use in the structure industry. The position of the web openings on these elements, which are especially exposed to axial pressure force, causes a change in the behavior. In this study, a total of 21 pultruded box profiles were tested under vertical loads and some of them were strengthened with carbon-FRP (CFRP) and glass-FRP (GFRP). The location, number and reinforcement type of the web openings on the profiles were taken into account as parameters. As a result of the axial test, it was understood that when a hole with a certain diameter is to be drilled on the profile, its position and number are very important. The height-centered openings in the middle of the web had the least effect on the reduction in the load-carrying capacity and the stability of the profile. In addition, it has been determined that the web openings away from the center and especially the eccentric opening significantly reduces the load carrying capacity. Furthermore, when double holes were drilled close to each other, a significant decrease in the capacity was observed and strengthening had the least effect on these specimens. It was also determined that the specimens reinforced with carbon FRP contribute more to the load-carrying capacity than GFRP.
URI: https://doi.org/10.3390/polym14214567
https://hdl.handle.net/20.500.13091/3680
ISSN: 2073-4360
Appears in Collections:PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collections
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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