冷弯薄壁型钢复合墙体基于弹簧连接单元模型分析合理性

Architecture Technology(2017)

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Abstract
建立基于螺钉连接件弹簧单元的冷弯薄壁型钢复合墙体SAP2000分析模型,螺钉采用定向滞回准则的不相耦合的双弹簧模拟,覆面板采用弹性生壳单元,龙骨构件采用三维框架单元,分析模型主要集中考虑龙骨和覆面板螺钉连接件非线性性能对于模拟复合墙体的合理性,并采用相关墙体滞回试验结果进行验证.研究结果表明,基于连接件性能的冷弯薄壁型钢复合墙体SAP2000分析模型能够用于冷弯薄壁型钢复合墙体抗震性能的精细化分析,为复合墙体抗震简化设计方法提供分析依据.
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