Nonlinear Finite Element Analysis of Diamond Bird-Beak TX-Joints

Zhao Quan Zhu; Sheng Liang Liu

doi:10.4028/www.scientific.net/AMR.446-449.151

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 446-449Nonlinear Finite Element Analysis of Diamond...

Nonlinear Finite Element Analysis of Diamond Bird-Beak TX-Joints

Abstract:

Abstract. The diamond bird-beak TX-joint is a novel configuration for tubular structures and there are few correlated papers for it. Non-linear FE analysis is carried out on axially loaded TX-joints in order to study the local static behavior of this type of joint. The individual influence of the following geometric parameters on the joint capacity, section width ratio β of brace to chord members, section width to wall thickness ratio 2γ of chord member, and wall thickness ratio τ of brace to chord members is made clear. Increasing either β or τ will enhance the joint capacity and increasing 2γ will lower joint capacity. A reduction equation is proposed to consider the load effect of chord and the axial forces of out-of-plane braces. The tension of out-of-plane braces always lowers the ultimate capacity of joint. The same tension and compression have the equal influence on the joint capacity.

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Periodical:

Advanced Materials Research (Volumes 446-449)

Pages:

151-155

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.446-449.151

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Online since:

January 2012

Authors:

Zhao Quan Zhu, Sheng Liang Liu

Keywords:

Diamond Bird-Beak TX-Joints, Geometric Parameter, Load Ratio, Ultimate Capacity

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References

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DOI: 10.1201/9780203735015-50

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