EFFECT OF WELDING PROCESSES ON MECHANICAL PERFORMANCES FOR COMPOSITE SHEAR WALLS REINFORCED WITH STEEL TUBES WELDED WITH SQUARE STEEL TUBES AND C TYPE STEEL

YU Haifeng; MA Yanan; MA Kang; WU Yangzhou; GAO Erjun

doi:10.13204/j.gyjzG19120303

Volume 51 Issue 3

Jul. 2021

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YU Haifeng, MA Yanan, MA Kang, WU Yangzhou, GAO Erjun. EFFECT OF WELDING PROCESSES ON MECHANICAL PERFORMANCES FOR COMPOSITE SHEAR WALLS REINFORCED WITH STEEL TUBES WELDED WITH SQUARE STEEL TUBES AND C TYPE STEEL[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(3): 71-76. doi: 10.13204/j.gyjzG19120303

Citation:

YU Haifeng, MA Yanan, MA Kang, WU Yangzhou, GAO Erjun. EFFECT OF WELDING PROCESSES ON MECHANICAL PERFORMANCES FOR COMPOSITE SHEAR WALLS REINFORCED WITH STEEL TUBES WELDED WITH SQUARE STEEL TUBES AND C TYPE STEEL[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(3): 71-76. doi: 10.13204/j.gyjzG19120303

Citation:

YU Haifeng, MA Yanan, MA Kang, WU Yangzhou, GAO Erjun. EFFECT OF WELDING PROCESSES ON MECHANICAL PERFORMANCES FOR COMPOSITE SHEAR WALLS REINFORCED WITH STEEL TUBES WELDED WITH SQUARE STEEL TUBES AND C TYPE STEEL[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(3): 71-76. doi: 10.13204/j.gyjzG19120303

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EFFECT OF WELDING PROCESSES ON MECHANICAL PERFORMANCES FOR COMPOSITE SHEAR WALLS REINFORCED WITH STEEL TUBES WELDED WITH SQUARE STEEL TUBES AND C TYPE STEEL

doi: 10.13204/j.gyjzG19120303

1. School of Civil Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China;
2. Jingxing Vocational and Technical Education Center, Shijiazhuang 050300, China

Received Date: 2020-08-13
Available Online: 2021-07-17

Abstract

Abstract

A composite shear wall reinforced with steel tubes welded with square steel tubes and C type steel was a new type of composite double steel plate shear walls. In order to analyze the influence of welding residual stress on the seismic performances of the walls, a three-dimensional numerical simulation analysis on the new composite shear wall was conducted using the indirect coupling method based on ABAQUS, and the distribution rules and characteristics of welding thermal fields and residual stress fields were obtained. The results indicated the residual stress in the transverse and thickness directions of the walls were so small that it could be ignored during analysis. On the basis, the seismic performances of shear walls with and without longitudinal residual stress were compared, such as hysteresis curves, maximum bearing capacity, elastic stiffness, etc. It was found that due to the redistribution of stress, the welding residual stress had a little effect on the seismic performances of composite shear walls.

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References(21)

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