Cyclic Compressive Behavior of Hybrid FRP-Confined Concrete

Medine Ispir*, Korhan Deniz Dalgic, Alper Ilki

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4 Atıf (Scopus)

Özet

The aim of this study is to define the cyclic axial behavior of hybrid FRP (fiber reinforced polymer)-confined concrete based on the results of an experimental study presented here. Two different types of fiber sheets with different ultimate tensile strain capacities were used together in a suitable epoxy resin matrix to confine concrete. The inner and outer jackets of the concrete confinement were constituted with carbon (or glass) sheets with a relatively low tensile strain capacity and polyethylene terephthalate (PET) sheets with a high tensile strain capacity. PET fibers, which are a relatively new type of fiber, are made from recycled plastics. By varying the number of layers of the outer fiber sheet, different combinations were formed for the hybrid jackets. To characterize the cyclic axial behavior of hybrid FRP-confined concrete, experimental data were utilized to obtain the axial stress-strain relationship and dilation behavior. Based on the results, a stress-strain model for the envelope curve of the cyclic response of hybrid FRP-confined concrete is proposed.

Orijinal dilİngilizce
Makale numarası04021045
DergiJournal of Composites for Construction
Hacim25
Basın numarası5
DOI'lar
Yayın durumuYayınlandı - 1 Eki 2021

Bibliyografik not

Publisher Copyright:
© 2021 American Society of Civil Engineers.

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