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过去的十年里引进了半支撑钢剪力墙(SSSW)来代替传统钢板剪力墙。该体系中剪力墙不直接与建筑物框架的主柱相连,而是与一对不承受垂直重力荷载的次柱相连。对典型SSSW系统(框架剪力墙抗弯性能较强)进行试验,以研究墙和周围框架的相互作用。基于合理的楼层破坏机制给出设计楼板梁的简单方法,进行准静态循环试验以研究墙板和周围框架的倒塌性能。此外,研制与紧急炉心冷却装置(ECCS)描述相一致的标准循环试验装置。从研究得到的滞回曲线可以看出,随着板件系统刚度的退化,曲线出现捏缩。此外,将试验结果与有限元分析结果进行对比。预测研究表明:框架能够增加墙板的拉力区,因此墙板先于框架发生屈曲。
In the past decade, semi-supported steel shear walls (SSSW) have been introduced to replace the traditional steel shear walls. In this system, the shear wall is not directly connected to the main column of the building frame, but rather to a pair of secondary columns that do not sustain vertical gravity loads. A typical SSSW system (a strong shear wall of frame shear walls) was tested to study the interaction of the wall with the surrounding frame. Based on a reasonable failure mechanism of floors, a simple method of designing floor beams is given and a quasi-static cyclic test is conducted to study the collapse performance of the wall panels and surrounding frames. In addition, a standard cycle test set-up in accordance with the description of the Emergency Core Cooling System (ECCS) was developed. Hysteresis curve obtained from the study shows that with the degradation of the stiffness of the plate system, the curve shrinks. In addition, the experimental results are compared with the results of finite element analysis. Predictive studies show that the frame can increase the tension zone of the wallboard, so the wallboard buckles before the frame.