RESEARCH ON FORCED PERFORMANCE AND ULTIMATE CAPACITY OF OVERLAPPED TUBULAR K-JOINT

Wu Jie; Jiang Jianfeng; Dai Yaping; Zhao Hongkang

doi:10.13204/j.gyjz200901027

Volume 39 Issue 1

Dec. 2014

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Wu Jie, Jiang Jianfeng, Dai Yaping, Zhao Hongkang. RESEARCH ON FORCED PERFORMANCE AND ULTIMATE CAPACITY OF OVERLAPPED TUBULAR K-JOINT[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(1): 122-127. doi: 10.13204/j.gyjz200901027

Citation:

Wu Jie, Jiang Jianfeng, Dai Yaping, Zhao Hongkang. RESEARCH ON FORCED PERFORMANCE AND ULTIMATE CAPACITY OF OVERLAPPED TUBULAR K-JOINT[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(1): 122-127. doi: 10.13204/j.gyjz200901027

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RESEARCH ON FORCED PERFORMANCE AND ULTIMATE CAPACITY OF OVERLAPPED TUBULAR K-JOINT

doi: 10.13204/j.gyjz200901027

1.
1. School of Civil Engineering,Southeast University,Nanjing 210096,China;
2.
2. Suzhou Institute of Architecture Design Ltd.Co,Suzhou 215002,China

Received Date: 2008-01-20
Publish Date: 2009-01-20

Abstract

Abstract

Overlapped tubular K-joints are widely used in long-span space structures. However, there are still doubts and blind zones in forced features, ultimate bearing capacity and influencing factors of these sorts of joints. Nonlinear FEM is used to study the forced performance of the joints under different lap rates, and also analyzed that the effects of branch-main diameter ratio, diameter-thickness ratio of the main, branch-main wall thickness ratio and hidden weld conditions etc on the ultimate capacity of these joints. Finally, a set of formulae to calculate the bearing capacity of the overlapped tubular Kjoints are obtained by nonlinear regressive technique.
- overlapped tubular K-joints,
- nonlinear finite element,
- ultimate capacity,
- hidden weld,
- overlap relation

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References(13)

References

[2] GB 50017- 2003 钢结构设计规范[S].

Gazzola F, Lee M M K, Dexter E M. Design Equation for Overlap Tubular K-Joints Under Axial Loading [J]. Journal of Structural Engineering, 2000(7): 798-808.

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[6] AWSD 111-90 钢结构焊接法规[S]. 1990.

[7] 刘建平, 郭彦林, 陈国栋. 圆管相贯节点极限承载力有限元分析[J]. 建筑结构, 2002, 32(7): 56-59.

[8] Makino Y, Kurobane Y, Ochi K, et al. Introduct ion to Unstiffened CHS Tubular Joint Database[C].PP7th Int. Symp. on Tubular Strut. , Miskolc, Hungary: 1996: 157-164.

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