FINITE ELEMENT ANALYSIS OF UNIAXIAL COMPRESSION FRP-CONFINED SQUARE COLUMN SECTION STRESS DISTRIBUTION

Yi WeiJian; Li Peng

doi:10.13204/j.gyjz200803023

Volume 38 Issue 3

Dec. 2014

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Yi WeiJian, Li Peng. FINITE ELEMENT ANALYSIS OF UNIAXIAL COMPRESSION FRP-CONFINED SQUARE COLUMN SECTION STRESS DISTRIBUTION[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(3): 84-89. doi: 10.13204/j.gyjz200803023

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Yi WeiJian, Li Peng. FINITE ELEMENT ANALYSIS OF UNIAXIAL COMPRESSION FRP-CONFINED SQUARE COLUMN SECTION STRESS DISTRIBUTION[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(3): 84-89. doi: 10.13204/j.gyjz200803023

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FINITE ELEMENT ANALYSIS OF UNIAXIAL COMPRESSION FRP-CONFINED SQUARE COLUMN SECTION STRESS DISTRIBUTION

doi: 10.13204/j.gyjz200803023

Yi WeiJian,
Li Peng

1.
Civil Engineering of Hunan University,Changsha 410082

Received Date: 2007-03-13
Publish Date: 2008-03-20

Abstract

Abstract

The behavior of FRP-confined concrete square columns under uniaxial compression is analyzed by 3-D nonlinear finite element method. Based on the analysis result, the columns section stress distribution and mechanism are discussed and pointed out that there is shear stress and shear strain in the columns cross section which is under uniaxial compression. It is also explained the cause of FRP stress asymmetrical distribution around the cross section. A suggestion of dividing weakly confined region from cross section by the ratio of the first principal stress and the third principal stress is developed. It is also discussed the affection of fillet radius of cross section on stress distribution.
- axial compression,
- confined concrete,
- nonlinear finite element analysis,
- stress distribution

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闫成文,姚健,林云.夏热冬冷地区基础住宅围护结构能耗比例研究.建筑技术,2006,37(10):773-774

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