STUDY ON THE FLEXURAL BEHAVIOR OF PRE-STRESSED C/BFRP-CONCRETE COMPOSITE BEAMS

Jiao Youjin; Wang Hongtao; Yang Caiqian; Wu Zhishen

doi:10.13204/j.gyjz201306006

Volume 43 Issue 6

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2013 > 43(6): 23-26

Wang Enyuan, Wu Mai, Yang Bin. BEARING MECHANISM AND CAPACITY OF PEDESTAL BORED PILE COMPACTED COLUMN-HAMMER[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(9): 103-106. doi: 10.13204/j.gyjz201209022

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Jiao Youjin, Wang Hongtao, Yang Caiqian, Wu Zhishen. STUDY ON THE FLEXURAL BEHAVIOR OF PRE-STRESSED C/BFRP-CONCRETE COMPOSITE BEAMS[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(6): 23-26. doi: 10.13204/j.gyjz201306006

Wang Enyuan, Wu Mai, Yang Bin. BEARING MECHANISM AND CAPACITY OF PEDESTAL BORED PILE COMPACTED COLUMN-HAMMER[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(9): 103-106. doi: 10.13204/j.gyjz201209022

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STUDY ON THE FLEXURAL BEHAVIOR OF PRE-STRESSED C/BFRP-CONCRETE COMPOSITE BEAMS

doi: 10.13204/j.gyjz201306006

1.
School of Civil Engineering,Southeast University,Nanjing 210096,China

Received Date: 2013-02-26
Publish Date: 2013-06-20

Abstract

Abstract

The flexural behaviors of pre-stressed C/BFRP-concrete composite beams were experimentally studied, wherein C/BFRP is carbon basalt fibers reinforced polymer.The effects of hybrid modes and prestress levels on the bending behaviors of the composite beams were investigated.The load carrying capacity, stiffness, deflection and ductility of the beams were also discussed.The experimental results show that prestressed C/BFRP can effectively improve the bending behaviors of the composite beams, delay the initiation of the cracks and improve the ductility of the beams.The composite beams also have higher secondary stiffness after the yielding of steel reinforcing bars.
- prestressing,
- carbon fiber,
- basalt fiber,
- composite beam,
- flexural strength,
- secondary stiffness

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References(6)

References

[2] 王兴国,周朝阳,曾宪桃,等．外贴预应力 GFRP 板加固混凝土梁抗弯试验研究[J].哈尔滨工业大学学报,2005,37(3):351－354.

牛向阳,王全凤．预应力 FRP 加固钢筋混凝土梁的性能综述[J].福建建筑,2010,141(3):54－55.

[3] Wu Z S,Li W X,Sakuma N.Innovative Externally Bonded FRP /?Concrete Hybrid Flexural Members[J].Composite Structures,2006,72(3):289－300.

[4] Wu Z S.Structural Strengthening and Integrity with Hybrid FRP?Composites [C]//Proc.of the 2 nd Inter.Confer.on FRP?Composites in Civil Engineering-CICE 2004.Australia,Keynote?Lecture:2004:93－105.

[5] 滕锦光,陈建飞.FRP 加固混凝土结构[M].中国建筑工业出版社,2004.

[6] Sun Z Y,Yang Y,Qin W H,et al.Experimental Study on?Flexural Behavior of Concrete Beams Reinforced by Steel-Fiber?Reinforced Polymer Composite Bars [J].Journal of Reinforced?Plastics and Composites,2012,31(3):1737－1745

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