EXPERIMENTAL RESEARCH ON STEEL-REINFORCED CONCRETE FILLED GFRP TUBE COLUMNS SUBJECTED TO AXIAL LOADING

Chen Bailing; Wang Lianguang; Qin Guopeng

doi:10.13204/j.gyjz201110001

Volume 41 Issue 10

Dec. 2014

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Chen Bailing, Wang Lianguang, Qin Guopeng. EXPERIMENTAL RESEARCH ON STEEL-REINFORCED CONCRETE FILLED GFRP TUBE COLUMNS SUBJECTED TO AXIAL LOADING[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(10): 1-5. doi: 10.13204/j.gyjz201110001

Citation:

Chen Bailing, Wang Lianguang, Qin Guopeng. EXPERIMENTAL RESEARCH ON STEEL-REINFORCED CONCRETE FILLED GFRP TUBE COLUMNS SUBJECTED TO AXIAL LOADING[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(10): 1-5. doi: 10.13204/j.gyjz201110001

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EXPERIMENTAL RESEARCH ON STEEL-REINFORCED CONCRETE FILLED GFRP TUBE COLUMNS SUBJECTED TO AXIAL LOADING

doi: 10.13204/j.gyjz201110001

1.
School of Resources &Civil Engineering,Northeastern University,Shenyang 110004,China

Received Date: 2010-05-17
Publish Date: 2011-10-20

Abstract

Abstract

According to the experimental research on 8 composite columns，the axial compression property of GFRP tube filled with steel reinforced concrete was studied． The test results show that GFRP tube，concrete and section steel carry loads alone at the beginning of loading． Then the fiber surface of GFRP tube grows stretch marks when the loads reach 60% ultimate loads and GFRP tube has an obvious hooped effect on concrete when the loads reach 70% ultimate loads． While the loads reach 80% ultimate loads，GFRP tube can generate frequent noise． The damage of test specimen begins with the fracture of GFRP tube，the yield of steel and the crushing of concrete． The nonlinear analysis program of composite columns was developed，and the calculated results agree well with the experimented results． According to the computing and analyses，the bearing capacity of composite columns is enhanced with the increase of GFRP tube wall thickness，concrete strength grade and steel ratio．
- glass fiber reinforced polymer tube,
- steel-reinforced concrete,
- composite column,
- axially loaded,
- experimental research

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References(8)

References

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