Bearing capacity of concrete filled bidirectional FRP tube subjected to axial compression
YU Feng1, NIU Di-tao2
1.School of Construction Engineering, Anhui University of Technology, Maanshan 243002, China;2.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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Bearing capacity of concrete filled bidirectional FRP tube subjected to axial compression
本站小编 哈尔滨工业大学/2019-10-23
相关话题/Bearing capacity concrete filled bidirectional
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