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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:YU Feng,NIU Di-tao.Bearing capacity of concrete filled bidirectional FRP tube subjected to axial compression[J].Journal of Harbin Institute Of Technology(New Series),2010,17(1):145-148.DOI:10.11916/j.issn.1005-9113.2010.01.028.
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Bearing capacity of concrete filled bidirectional FRP tube subjected to axial compression
Author NameAffiliation
YU Feng School of Construction Engineering, Anhui University of Technology, Maanshan 243002, China 
NIU Di-tao College of Civil Engineering, Xi′an University of Architecture and Technology, Xi′an 710055, China 
Abstract:
External confinement by fiber reinforced polymer (FRP) is an efficient technique to increase the bearing capacity and ductility of concrete. To better study the mechanical behavior of bidirectional FRP confined concrete, the yield criterion of bidirectional FRP is presented based on the static equilibrium condition in this paper, and a model for calculating the bearing capacity of bidirectional FRP confined concrete is established. The model can capture the character of bidirectional FRP confined concrete. Effects of the confinement effect coefficient, the unconfined concrete strength and the material properties of FRP on bearing capacity are analyzed. Results show that each parameter has different effects on the bearing capacity of bidirectional FRP confined concrete.
Key words:  fiber reinforced polymer  confined concrete  bearing capacity  column  ultimate equilibrium condition
DOI：10.11916/j.issn.1005-9113.2010.01.028
Clc Number:TU528
Fund:

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