STUDY ON BEARING CAPACITY OF CONCRETE COLUMN REINFORCED BY CFRP AND ANGLE STEEL

Yu Feng; He Shuanhai

doi:10.13204/j.gyjz201012027

Volume 40 Issue 12

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2010 > 40(12): 107-109

Yang Shulan, Liu Weiqing, Fang Hai, Wang Lu. EXPERIMENT STUDY OF COMPOSITE WALL BOARDS WITH GFRP FACE SHEETS AND A PAULOWNIA WOOD CORE[J]. INDUSTRIAL CONSTRUCTION, 2014, 44(10): 30-35. doi: 10.13204/j.gyjz201410007

Citation:

Yu Feng, He Shuanhai. STUDY ON BEARING CAPACITY OF CONCRETE COLUMN REINFORCED BY CFRP AND ANGLE STEEL[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(12): 107-109. doi: 10.13204/j.gyjz201012027

Citation:

Yu Feng, He Shuanhai. STUDY ON BEARING CAPACITY OF CONCRETE COLUMN REINFORCED BY CFRP AND ANGLE STEEL[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(12): 107-109. doi: 10.13204/j.gyjz201012027

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STUDY ON BEARING CAPACITY OF CONCRETE COLUMN REINFORCED BY CFRP AND ANGLE STEEL

doi: 10.13204/j.gyjz201012027

Yu Feng^1,2,
He Shuanhai¹

1.
1. School of Construction Engineering,Anhui University of Technology,Maanshan 243002,China;
2.
2. Chang’an University,Xi’an 710064,China

Received Date: 2010-06-25
Publish Date: 2010-12-20

Abstract

Abstract

The bearing capacity and ductility can be obviously increased by the confinement of CFRP and angle steel.Based on the existing experimental data,the mechanical model and the confinement mechanism of concrete column reinforced by CFRP and angle steel are studied,the concept of effective confinement zone is introduced,and then the calculating method of effective confinement area of concrete column reinforced by CFRP or angle steel are respectively proposed.Therefore,the effect of CFRP layer,the area of angle steel,the rebar,and the shape of concrete column on bearing capacity are well considered,the calculating model for the bearing capacity of concrete column reinforced by CFRP and angle steel is established.The predictions of the model agree well with the experimental results,which may also provide the references for engineering practice.
- carbon fiber,
- angle steel,
- reinforcement,
- concrete column,
- bearing capacity

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References(8)

References

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[2] 于峰,牛荻涛.长细比对FRP 约束混凝土柱承载力的影响[J].土木工程学报,2008,41(6):40-44.

[3] 陈先明.加固的钢筋混凝土受压构件正截面承载力计算方法试验研究[D].南京: 东南大学,1991.

[4] 林友勤,龚光,宗周红.外包钢加固短柱轴心抗压试验研究[J].福州大学学报,2002,30(2): 221-224.

[5] GB 503762006 混凝土结构加固设计规范[S].

[6] 卢亦焱,史健勇,赵国藩.碳纤维布和角钢复合加固轴心受压混凝土柱的试验研究[J].建筑结构学报,2003,24(5）:18-23.

[7] Mander J B,Priestley M J N,Park R.Theoretical Stress-Strain Model for Confined Concrete [J].Journal of Structural Engineering,1988,114(8): 1804-1826.

[8] 于峰.PVC-FRP 管混凝土柱力学性能的试验研究与理论分析[D].西安: 西安建筑科技大学,2007.

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