FULL- COURSE ANALYSIS OF LONGITUDINAL STEEL STRESS IN COMPOSITE BEAMS BASED ON ADJUSTING OF DEPTH OF COMPRESSION ZONE

Chang Peng; Yao Qianfeng

doi:10.13204/j.gyjz200707009

Volume 37 Issue 7

Dec. 2014

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Chang Peng, Yao Qianfeng. FULL- COURSE ANALYSIS OF LONGITUDINAL STEEL STRESS IN COMPOSITE BEAMS BASED ON ADJUSTING OF DEPTH OF COMPRESSION ZONE[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(7): 25-28. doi: 10.13204/j.gyjz200707009

Citation:

Chang Peng, Yao Qianfeng. FULL- COURSE ANALYSIS OF LONGITUDINAL STEEL STRESS IN COMPOSITE BEAMS BASED ON ADJUSTING OF DEPTH OF COMPRESSION ZONE[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(7): 25-28. doi: 10.13204/j.gyjz200707009

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FULL- COURSE ANALYSIS OF LONGITUDINAL STEEL STRESS IN COMPOSITE BEAMS BASED ON ADJUSTING OF DEPTH OF COMPRESSION ZONE

doi: 10.13204/j.gyjz200707009

1.
School of Civil Engineering and Architecture,Beijing Jiaotong University Beijing 100044

Received Date: 2005-12-20
Publish Date: 2007-07-20

Abstract

Abstract

Along with the development of the longitudinal steel stress in two-stage flexural RC composite members,location of neutral axis is influenced by twostage loading.Full-course analysis method for the stress in these members is given based on calculation of depth of compression zone and simplification of feature coefficient of stress diagrams.A composite beam is computed by the proposed method,and some verification from ANSYS is listed in the end.The results suggest that the method is feasible.The maximum fractional error of the computed value of longitudinal steel stress during full-course analysis between FEM and method in this paper is kept within 5.5%.
- omposite members,
- two-stage loading behavior,
- depth of compression zone,
- longitudinal steel stress,
- FEM