Analysis on shear capacity and energy dissipation of corrugated steel plate shear wall with openings

被引：0
|
作者：
Wang W. [1 ]
Sun Z. [1 ]
Luo Q. [1 ]
Wang B. [1 ]
Lin Z. [1 ]
机构：
[1] School of Civil Engineering, Xi’an University of Architecture & Technology, Xi’an
来源：
Jianzhu Jiegou Xuebao/Journal of Building Structures | 2022年 / 43卷 / 10期
关键词：
corrugated steel plate shear wall with openings; finite element analysis; non-buckling boundary condition; plastic energy dissipation; reduction coefficient; shear capacity;
D O I：
10.14006/j.jzjgxb.2021.0006
中图分类号：
学科分类号：
摘要：
In order to clarify the boundary condition to avoid buckling of corrugated steel plate wall and analyze the influence of opening on its bearing capacity and energy dissipation capacity, the buckling stress formula was derived based on the shear buckling theory of corrugated steel plate, and the value range of constraint stiffness ratio was obtained by numerical analysis and deformation classification method. Therefore, the boundary condition of the non-buckling of corrugated steel plate wall was proposed as follows: the buckling stress is greater than the shear yield stress and the constraint stiffness ratio is greater than 3. The applicability of boundary conditions to corrugated steel plate walls with openings was verified by comparing the deformation grade calculation parameters of the models with openings, and the effects of the aspect ratio of wall panels, the thickness of steel plates, opening ratio, the height-width ratio of openings and opening position on the bearing capacity and energy dissipation capacity of corrugated steel plate walls were studied by establishing a finite element model. The results show that the smaller the aspect ratio is, the larger the thickness is, and the more degradation of the bearing capacity and energy dissipation capacity of the corrugated steel plate wall is caused by opening. The ultimate capacity and energy dissipation capacity of the corrugated steel plate wall with the opening reach maximum when the aspect ratio of the opening is between 0. 33 and 0. 5, and reach the minimum when the opening is in the center. The calculation formulas of shear capacity and energy dissipation reduction coefficient of corrugated steel plate walls with openings were obtained by fitting considering the influence of opening parameters. The formula was verified by nine groups of models without openings and 30 groups of models with openings in different sizes and locations. The errors between the calculated values and the simulation values are within 15%, which is suitable for corrugated steel plate walls with openings to meet the non-buckling limit condition. © 2022 Science Press. All rights reserved.
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页码：187 / 198
页数：11
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