Bearing Capacity Mechanism Analysis of Flange Joints Connected by Corrugated Welding Lines

QIU Junjun; GUO Yaojie; SUN Yun; ZENG Dewei; ZHU Kai

doi:10.13204/j.gyjzG21011506

Volume 53 Issue 7

Jul. 2023

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2023 > 53(7): 74-78

Gao Qun Yu Weigen Li Jiaqing Xiao Fei Wei Fangfang, . EXPERIMENTAL STUDY OF SEISMIC PERFORMANCES FOR POST-ANCHORED BEAM-COLUMN JOINTS IN REINFORCED CONCRETE FRAME[J]. INDUSTRIAL CONSTRUCTION, 2015, 45(10): 183-190. doi: 10.13204/j.gyjz201510034

Citation:

QIU Junjun, GUO Yaojie, SUN Yun, ZENG Dewei, ZHU Kai. Bearing Capacity Mechanism Analysis of Flange Joints Connected by Corrugated Welding Lines[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(7): 74-78. doi: 10.13204/j.gyjzG21011506

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Bearing Capacity Mechanism Analysis of Flange Joints Connected by Corrugated Welding Lines

doi: 10.13204/j.gyjzG21011506

1. School of Civil Engineering, Wuhan University, Wuhan 430072, China;
2. Xinqi Construction Group Co., Ltd., Wuhan 430072, China

Received Date: 2021-01-15

Abstract

Abstract

The flange joint connected by corrugated welding lines has been gradually applied in engineering because of its high bearing capacity and excellent mechanical properties. In order to analyze the bearing capacity mechanism of the flange joint connected by corrugated welding lines, firstly, thd paper analyzed the influence law of the effective length of weld on the bearing capacity of the joint by using the method of theoretical calculation, and a comparison analysis was conducted with the flat welded flange joint with neck. Then, the parametric modeling was carried out by means of finite element to find out the optimal waveform of the joint and calculate its bearing capacity. Finally, the axial compression and axial tension tests of four flange joints connected by corrugated welding lines and four flat welded flange joints with necks were carried out, and the influence of welding heat on the reduction of bearing capacity of joints in axial tension test was discussed. The results showed that the bearing capacity of the flange joint connected by corrugated welding lines could be improved by increasing the effective length of the weld compared with the flat welded flange joint with neck; corrugated welding lines could stagger weld defects and welding heat affected zone from the same section, reduce local stress concentration,so as to improve bearing capacity.
- corrugated welding line,
- flange joint,
- bearing capacity,
- finite element analysis,
- welding heat effect

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References(13)

References

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