CHEN Juan, LU Yi-yan, LI Shan. THEORETICAL ANALYSIS OF STEEL FIBER REINFORCED HIGH STRENGTH CONCRETE FILLED STEEL TUBE UNDER AXIAL COMPRESSION[J]. Engineering Mechanics, 2011, 28(9): 115-121.
Citation: CHEN Juan, LU Yi-yan, LI Shan. THEORETICAL ANALYSIS OF STEEL FIBER REINFORCED HIGH STRENGTH CONCRETE FILLED STEEL TUBE UNDER AXIAL COMPRESSION[J]. Engineering Mechanics, 2011, 28(9): 115-121.
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THEORETICAL ANALYSIS OF STEEL FIBER REINFORCED HIGH STRENGTH CONCRETE FILLED STEEL TUBE UNDER AXIAL COMPRESSION

  • (School of Civil Engineering, Wuhan University, Wuhan 430072, China)

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  • Received Date: December 31, 1899
  • Revised Date: December 31, 1899
    Abstract
  • A total of 7 short steel fiber reinforced high strength concrete filled steel tube columns and 3 short high strength concrete filled steel tube columns are tested under axial compression load to analyze the influence of steel fiber on the compression behavior of the high strength concrete filled steel tubes. Based on results of the transverse stress and strain of steel tube, the relationship between steel tube and steel fiber reinforced concrete stress is analyzed. The results show that the raising coefficient of core concrete strength is increased due to the reinforcement effect of steel fiber, giving raise to the ultimate capacity of steel fiber reinforced high concrete filled steel tube. Moreover, steel fiber has great effect on the transverse deformation of high strength concrete filled steel tube short columns.
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    LI Shan

    • (School of Civil Engineering, Wuhan University, Wuhan 430072, China)

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