Cyclic axial compression tests on concrete-filled FRP tubes
Concrete-filled FRP tubes (CFFTs) are an attractive form of hybrid compression members incorporating FRP. CFFTs have several advantages over traditional column forms, including their excellent corrosion resistance and ductility. Much research has been conducted on CFFTs over recent years, but no systematic experimental study has been concerned with the cyclic axial compressive behavior of CFFTs. This paper presents an experimental study on the behavior of circular CFFTs under cyclic axial compression. The experimental program included the strength of concrete as a key variable so that it is also a much needed supplement to the very limited existing research on the cyclic compressive behavior of FRP-confined high strength concrete (HSC).
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