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CLC number: O39

On-line Access: 2012-01-18

Received: 2011-07-21

Revision Accepted: 2011-12-14

Crosschecked: 2011-12-29

Cited: 9

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Journal of Zhejiang University SCIENCE A 2012 Vol.13 No.2 P.79-90

http://doi.org/10.1631/jzus.A1100196


Effect of weld reinforcement on axial plastic buckling of welded steel cylindrical shells


Author(s):  Chu-lin Yu, Zhi-ping Chen, Ji Wang, Shun-juan Yan, Li-cai Yang

Affiliation(s):  Institute of Process Equipment, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   zhiping@zju.edu.cn

Key Words:  Cylindrical shells, Axial buckling, Plastic, Weld, Reinforcement, Geometric imperfections


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Chu-lin Yu, Zhi-ping Chen, Ji Wang, Shun-juan Yan, Li-cai Yang. Effect of weld reinforcement on axial plastic buckling of welded steel cylindrical shells[J]. Journal of Zhejiang University Science A, 2012, 13(2): 79-90.

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%T Effect of weld reinforcement on axial plastic buckling of welded steel cylindrical shells
%A Chu-lin Yu
%A Zhi-ping Chen
%A Ji Wang
%A Shun-juan Yan
%A Li-cai Yang
%J Journal of Zhejiang University SCIENCE A
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1100196

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T1 - Effect of weld reinforcement on axial plastic buckling of welded steel cylindrical shells
A1 - Chu-lin Yu
A1 - Zhi-ping Chen
A1 - Ji Wang
A1 - Shun-juan Yan
A1 - Li-cai Yang
J0 - Journal of Zhejiang University Science A
VL - 13
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EP - 90
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A1100196


Abstract: 
The effect of weld reinforcement on axial plastic buckling of welded steel cylindrical shells is investigated through experimental and numerical buckling analysis using six welded steel cylindrical shell specimens. The relationship between the amplitude of weld reinforcement and the axial plastic buckling critical load is explored. The effect of the material yield strength and the number of circumferential welds on the axial plastic buckling is studied. Results show that circumferential weld reinforcement represents a severe imperfect form of axially compressed welded steel cylindrical shells and the axial plastic buckling critical load decreases with the increment of the mean amplitude of circumferential weld reinforcement. The material yield strength and the number of circumferential welds are found to have no significant effect on buckling waveforms; however, the axial plastic buckling critical load can be decreased to some extent with the increase of the number of circumferential welds.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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