EXPERIMENTAL STUDY ON FRP-STEEL COMPOSITE TUBE CONCRETE FLEXURAL COMPONENTS

Wei Yang; Wu Gang; Wu Zhishen; Li Guofen

doi:10.13204/j.gyjz201111025

Volume 41 Issue 11

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2011 > 41(11): 116-119,59

Wei Yang, Wu Gang, Wu Zhishen, Li Guofen. EXPERIMENTAL STUDY ON FRP-STEEL COMPOSITE TUBE CONCRETE FLEXURAL COMPONENTS[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(11): 116-119,59. doi: 10.13204/j.gyjz201111025

Citation:

Wei Yang, Wu Gang, Wu Zhishen, Li Guofen. EXPERIMENTAL STUDY ON FRP-STEEL COMPOSITE TUBE CONCRETE FLEXURAL COMPONENTS[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(11): 116-119,59. doi: 10.13204/j.gyjz201111025

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EXPERIMENTAL STUDY ON FRP-STEEL COMPOSITE TUBE CONCRETE FLEXURAL COMPONENTS

doi: 10.13204/j.gyjz201111025

1.
1. College of Civil Engineering,Nanjing Forestry University,Nanjing 210037,China;
2.
2. Key Laboratory of Bridge-Structure Engineering,Chongqing Jiaotong University,Chongqing 400074,China;
3.
3. Key Laboratory of Concrete and Prestressed Concrete Structures of the Ministry of Education,SEU,Nanjing 210096,China

Received Date: 2010-11-03
Publish Date: 2011-11-20

Abstract

Abstract

To study the mechanical performance of FRP-steel composite tube concrete flexural components,a steel tube concrete flexural component and two FRP-steel composite tube flexural components were experimentally investigated.Two FRP-steel composite tube components were composite with 2 layers of CFRP and steel and a layer of CFRP+2 layers of BFRP and steel.The test results showed that the ultimate bearing capacity of steel tube concrete flexural components could be enhanced by FRP.The hardening stage of load-displacement curves were achieved after steel yielding of the FRP-steel composite tube concrete specimens,the security capacity reserve was increased and a certain stiffness of the component after yielding is achieved.The fibre broken group by group gradually could be realized by different fibres and steel composite,the failure mode was changed.
- FRP,
- FRP-steel composite tube,
- concrete,
- flexural members,
- flexural behaviour

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References(6)

References

韩林海.现代钢管混凝土结构技术[M].北京:中国建筑工业出版社,2007.

[2] 肖岩.套管钢筋混凝土柱结构的发展和展望[J].土木工程学报,2004,37(4):8-12.

[3] Zhu Z Y, Ahmad I, Mirmiran A. Seismic Performance of?Concrete-Filled FRP Tube Columns for Bridge Substructure[J].Journal of Bridge Engineering, ASCE,2006,11(3):359-370.

[4] Ozbakkaloglu T, Saatcioglu M. Seismic Performance of Square?High-Strength Concrete Columns in FRP Stay-in-Place Formwork[J].Journal of Structural Engineering, ASCE,2007,133(1):?44-56.

[5] 吴刚,罗云标,吴智深,等.钢-连续纤维复合筋(SFCB)力学性能试验研究与理论分析[J].土木工程学报,2010,43(3):?53-61.

[6] 罗云标,吴刚,吴智深,等.钢-连续纤维复合筋(SFCB)增强混凝土柱抗震性能初探[J].工程抗震与加固改造,2009,31 (1):14-20.?

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