Numerical Study on The Impact Performance of Concrete Filled FRP-Steel Tubes

CHEN Chen ZHAO Yinghua

Journal of Vibration and Shock ›› 2013, Vol. 32 ›› Issue (19) : 197-201.

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PDF(1272 KB)
Journal of Vibration and Shock ›› 2013, Vol. 32 ›› Issue (19) : 197-201.
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Numerical Study on The Impact Performance of Concrete Filled FRP-Steel Tubes

  • CHEN Chen ZHAO Yinghua
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Abstract

The concrete filled FRP-steel tube is a composite structure made by filling concrete into steel tube and wrapping outside with fiber reinforced polymer (FRP) sheet. Finite element method has been conducted to study the dynamic responses of concrete filled FRP-steel tubes under varied impact-loading styles, considering the influences of kinds of FRP, the orientation of FRP sheets and the thickness of both FRP and steel tubes. The force and displacement histories have been recorded and analysed. The numerical results show that the application of FRP remarkably improved the anti-impact property of the structures especially for longitudinal oriented CFRP. The simulation strategy is proved by comparing numerical data with experimental results of concrete filled steel structures.


Key words

Impact force / FRP / Numerical simulation / Composite structure

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CHEN Chen ZHAO Yinghua. Numerical Study on The Impact Performance of Concrete Filled FRP-Steel Tubes[J]. Journal of Vibration and Shock, 2013, 32(19): 197-201
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