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CLC number: TU393.3

On-line Access: 2012-02-27

Received: 2011-08-10

Revision Accepted: 2011-10-31

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Journal of Zhejiang University SCIENCE A 2012 Vol.13 No.3 P.174-181

http://doi.org/10.1631/jzus.A1100128


Load-carrying capacity and practical calculation method for hollow cylinder joints connected with H-shaped beams


Author(s):  Hui Wu, Bo-qing Gao, Qiang Chen

Affiliation(s):  Finance and Economics of Zhejiang College, Hangzhou 310018, China; more

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

Key Words:  Hollow cylinder joints, H-shaped beams, Load-carrying capacity, Finite elements analysis (FEA), Practical calculation method


Hui Wu, Bo-qing Gao, Qiang Chen. Load-carrying capacity and practical calculation method for hollow cylinder joints connected with H-shaped beams[J]. Journal of Zhejiang University Science A, 2012, 13(3): 174-181.

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author="Hui Wu, Bo-qing Gao, Qiang Chen",
journal="Journal of Zhejiang University Science A",
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number="3",
pages="174-181",
year="2012",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1100128"
}

%0 Journal Article
%T Load-carrying capacity and practical calculation method for hollow cylinder joints connected with H-shaped beams
%A Hui Wu
%A Bo-qing Gao
%A Qiang Chen
%J Journal of Zhejiang University SCIENCE A
%V 13
%N 3
%P 174-181
%@ 1673-565X
%D 2012
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1100128

TY - JOUR
T1 - Load-carrying capacity and practical calculation method for hollow cylinder joints connected with H-shaped beams
A1 - Hui Wu
A1 - Bo-qing Gao
A1 - Qiang Chen
J0 - Journal of Zhejiang University Science A
VL - 13
IS - 3
SP - 174
EP - 181
%@ 1673-565X
Y1 - 2012
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1100128


Abstract: 
A type of hollow cylinder joints connected with h-shaped beams is proposed for spatial structures. Based on von Mises yield criterion and perfect elasto-plasticity model, a series of finite element models of the joints is established, in which the effect of geometric nonlinearity is taken into account. Then mechanical behavior and load-carrying capacity of the joints were investigated, which were subjected to axial load, in- and out-plane bending moments, and their combinations. The results show that the ultimate loads of the joints are determined by the maximum displacement. Furthermore, the case of one joint connected with multiple beams was discussed. Experiments on a set of typical full-scale joints were conducted to understand the structural behavior and the failure mechanism of joint, and also to validate the finite element models. Finally, the practical calculation method was established through finite elements analysis (FEA) results and numerical fitting. The results show that the joints are more ductile and materially economical than welded hollow spherical joints, and the practical calculation method can provide a reference for direct design and the revision of relevant design codes.

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

Reference

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