ANALYSIS OF COLD- FORMED RESIDUAL STRESS FIELD

Zhao Feng; Guo Yaojie

doi:10.13204/j.gyjz200406023

Volume 34 Issue 6

Dec. 2014

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Abstract

References

Article Navigation > INDUSTRIAL CONSTRUCTION > 2004 > 34(6): 71-73,64

Li Ke, Chen Guoping, Tang Lan. ANALYSIS OF SEISMIC BEHAVIORS OF THE MASONRY-CONCRETE TUBE COMPOSITE STRUCTURE[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(4): 34-37. doi: 10.13204/j.gyjz201104008

Citation:

Zhao Feng, Guo Yaojie. ANALYSIS OF COLD- FORMED RESIDUAL STRESS FIELD[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(6): 71-73,64. doi: 10.13204/j.gyjz200406023

Li Ke, Chen Guoping, Tang Lan. ANALYSIS OF SEISMIC BEHAVIORS OF THE MASONRY-CONCRETE TUBE COMPOSITE STRUCTURE[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(4): 34-37. doi: 10.13204/j.gyjz201104008

Citation:

Zhao Feng, Guo Yaojie. ANALYSIS OF COLD- FORMED RESIDUAL STRESS FIELD[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(6): 71-73,64. doi: 10.13204/j.gyjz200406023

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ANALYSIS OF COLD- FORMED RESIDUAL STRESS FIELD

doi: 10.13204/j.gyjz200406023

Zhao Feng¹,
Guo Yaojie²

1.
1. Wuhan University of Science and Technology Wuhan 430070;
2.
2. Wuhan University Wuhan 430072

Received Date: 2003-12-20
Publish Date: 2004-06-20

Abstract

Abstract

It is pointed out that a cold- formed processing consists of plastic deformation and elastic recovery.We can get residual stress of cold-formed member through adding stress field produced by each course. There are clear differences in distribution of residual stress between the ex isting research and that by the analysis. A vertical residual stress is distributed along thickness of slab, displaying that residual stress is increasing from inside layer to neutral layer. It is pointed out in the ex isting literatures that residual stress is linear distribution that is disadvantageous to stability of structure, because it can clearly reduce effective thickness of slab in bended zone under outer load. Vertical residual tensile stress of outer layer in bended zone is slightly bigger than vertical residual compressive stress of inside layer. The calculated result of cold-formed residual strain is equivalent to that of field measurement.
- cold-formed,
- residual stress,
- distribution,
- disadvantage

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References(3)

References

[2] 李成玉,刘德富.电化学腐蚀法测试冷弯薄壁型钢的残余应力.三峡大学学报(自然科学版),2001(4):301～304

Weng C C,Pekoz T.Residual Stress in Cold-Formed Steel Members.Journal of Structural Engineering,1990,116(4):1 161～1 165

[3] Gou Yaojie,Fang Shanfeng.Test of a Full Scale Roof Truss.In:Proceedings of 11th Int Specialty Confon Cold-Formed Steel Structures.US:1992.405～416

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