| 考虑非线性侧移的钢板剪力墙设计 |
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| 摘 要： | 近几年来,加劲钢板剪力墙结构作为一种很有潜力的抗侧力结构不断涌现,但关于此类结构的抗震规范却仍基于弹性设计方法。为满足设计过程高效性和可靠性的要求,提出了一种基于性能的抗震设计方法。对钢板剪力墙的抗震设计方法基于非线性目标侧移和预选屈服机制。该方法很简捷,能得出更先进的设计指标。以不同钢板长宽比和不同允许侧移条件下某4层结构为例,通过强震下的非线性时程分析,对该方法进行检验。结果表明:实际的非线性侧移与目标侧移非常接近。将峰值处的位移图与所选屈服机制进行了对比。基于上述试验,今后还需对该方法进行进一步修正。
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| 关 键 词： | 钢板剪力墙 基于性能的抗震设计 基于位移的设计 屈服机制 塑性设计 |
Design of Steel Plate Shear Walls Considering Inelastic Drift Demand |
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| Abstract: | The unstiffened steel plate shear wall(SPSW) system has emerged as a promising lateral load resisting system in recent years.However,seismic code provisions for these systems are still based on elastic force-based design methodologies.Considering the ever-increasing demands of efficient and reliable design procedures,a shift towards performance-based seismic design(PBSD) procedure is proposed in this work.The proposed PBSD procedure for SPSW systems is based on a target inelastic drift and pre-selected yiel... |
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| Keywords: | Steel plate shear walls Performance-based seismic design Displacement-based design Yield mechanism Plastic design |
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