A comparison of axial behavior for CFRP strengthened CFT columns

Jai Woo Park, Young Hwan Choi, Jung Seok Bang, Yong Ahn Won, Sung Mo Choi

Research output: Contribution to journalArticlepeer-review


This paper presents experimental results for the rectangular and circular CFT columns additionally confined by carbon fiber sheets (CFRP) under axial loading that are currently used in practice. The main experimental parameters are the number of layers of CFRP and the depth-to-thickness ratio. 18 specimens were prepared according to the experimental parameter plans and axial compression tests were conducted. From the tests, the failure procedure, load-axial deformation curve, the maximum axial strength, and deformation capacity are compared with the currently used CFT columns and the confined CFT columns.

Original languageEnglish
Pages (from-to)368-373
Number of pages6
JournalHarbin Gongye Daxue Xuebao/Journal of Harbin Institute of Technology
Issue numberSUPPL.1
StatePublished - Jan 2012


  • Axial load
  • Carbon fiber sheets (CFRP)
  • Concrete filled tube


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