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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Xu Chengqiang, Qu Xiaoning. NUMERIAL SIMULATION AND EXPERIMENTAL STUDIES ON CONSTRUCTION PROCESS OF RETICULATED SHELL-STRING STRUCTURE[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(10): 111-114,128. doi: 10.13204/j.gyjz201110026

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

Chaallal O，Hassan M，LeBlanc M.Circular Columns Confined with FRP: Experimental Versus Predictions of Models and Guidelines[J].Journal of Composites for Construction，2006，4(2):4-12.

[2] Zhu Z Y，Ahmad I，Mirmiran A.Splicing of Precast Concrete-Filled FRP Tubes [J].Journal of Composites for Construction，2006，10(4):345-356.

[3] Matthys S，Toutanji H，Taerwe L.Stress-Strain Behavior of Large-Scale Circular Columns Confined with FRP Composites [J]．Journal of Structural Engineering，2006(2):123-133.

[4] 王连广，秦国鹏.GFRP 管钢骨高强混凝土组合柱轴心受压试验研究[J].工程力学，2009，26(9):100-175.

[5] 崔文涛.GFRP 套管钢筋混凝土柱轴压力学性能研究[D].大连: 大连理工大学，2007.

[6] 鲁国昌.FRP 管约束混凝土轴压性能研究[D].北京: 清华大学土木系，2005.

[7] 钱鹏，冯鹏，叶列平.GFRP 管轴心受压性能的试验研究[J]．天津大学学报，2007，40(1):19-23.

[8] 刘杰.GFRP 混凝土圆形管柱轴压力学性能的试验研究[D]．南京: 东南大学，2007．

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