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防屈曲钢板墙(简称BRSPSW)是一种适用于高层钢结构的新型抗侧力构件,具有塑性性能好、滞回特性稳定、可独立变化墙板承载力和刚度以及布置灵活等优点,可克服支撑框架易受建筑功能限制的缺点。以某34层钢结构住宅为背景,首先提出BRSPSW适用性布置方式,并对其进行比选分析。然后基于结构弹性层间位移角要求,通过6组算例对D形布置BRSPSW跨越门洞传力转换进行了分析,提出了有效高宽比概念与BRSPSW体系方案设计阶段参考建议。
The anti-buckling steel wall (BRSPSW) is a new type of anti-side-force component suitable for high-rise steel structures. It has the advantages of good plasticity, stable hysteresis, independent bearing capacity and stiffness, and flexible layout, which can overcome The disadvantage of support frames that are susceptible to architectural limitations. Taking a 34-storey steel structure house as the background, the disposition arrangement of BRSPSW is first proposed and its comparison and analysis is conducted. Then, based on the requirement of the displacement angle of the structure elastic layer, the author analyzes the force transfer of D-shaped BRSPSW across the doorway by six sets of examples and proposes the concept of effective aspect ratio and the reference suggestion for the design stage of BRSPSW system.