SEMI-RIGIDITY AND INITIAL STIFFNESS OF UNSTIFFENED SINGLESIDED BOLTED-WELDED CONNECTION OF STEEL MOMENT FRAME

Li Yan; Hao Jiping; Zhou Qi; Xie Qi; Guo Hongchao

doi:10.13204/j.gyjz201109027

Volume 41 Issue 9

Dec. 2014

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Li Yan, Hao Jiping, Zhou Qi, Xie Qi, Guo Hongchao. SEMI-RIGIDITY AND INITIAL STIFFNESS OF UNSTIFFENED SINGLESIDED BOLTED-WELDED CONNECTION OF STEEL MOMENT FRAME[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(9): 120-123,75. doi: 10.13204/j.gyjz201109027

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SEMI-RIGIDITY AND INITIAL STIFFNESS OF UNSTIFFENED SINGLESIDED BOLTED-WELDED CONNECTION OF STEEL MOMENT FRAME

doi: 10.13204/j.gyjz201109027

1.
1. College of Civil Engineering,Xi’an University of Architecture &Technology,Xi’an 710055,China;
2.
2. Sichuan Provincial Architectural Design Institute,Chengdu 610015,China

Received Date: 2010-12-10
Publish Date: 2011-09-20

Abstract

Abstract

Based on a mid-side connection of a steel frame, this paper analyzed the deformation mechanism of the bolted-welded connection after loading and deduced a theoretical formula that could calculate initial stiffness. In order to verify the rationality of the formula, 15 finite element models were established to calculated the initial stiffness.The results show that the theoretical formula is fit to calculate initial stiffness. Besides, according to Eurocode 3, many connections can not meet the demands of rigid connections stiffness. They belong to semi-rigid connections.
- bolted-welded connection,
- semi-rigid,
- initial stiffness,
- moment-rotation angle curve

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References(10)

References

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