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钢筋混凝土框架-剪力墙结构应用广泛,地震发生时这类结构多道设防的设计理念能否实现以及罕遇地震下的安全性能否保证一直是国内外学者的研究热点。本文采用Perform3D软件建模,利用已有的试验结果对模型进行了验证,计算了4栋15层高的框架-剪力墙结构,其中3栋为连梁高度不同的框架-联肢剪力墙结构。采用静力弹塑性分析方法和动力弹塑性时程分析方法,观察对比了不开洞和开洞以及洞口大小不同的剪力墙对各结构的塑性铰发展情况和性能点处层间位移角的影响,以及各结构多道防线的实现情况。结果发现,按我国规范设计的框剪结构在大震下的安全性能够得到保障;框架-联肢剪力墙结构在大震下发生明显的内力重分布,但剪力墙始终是主要的抗侧力结构。该研究结果对结构设计具有一定的指导意义。
Whether reinforced concrete frame-shear wall structure is widely used, whether the design concept of multichannel fortification during earthquake and whether the safety under rare earthquakes can be guaranteed has always been a hot topic both at home and abroad. In this paper, we use Perform3D software modeling to validate the model with the existing test results. We calculated four 15-story frame-shear wall structures, of which three are the frames with different beam heights - structure. By using the method of static elasto-plastic analysis and dynamic elasto-plastic time-history analysis, the development of plastic hinges on the structures and the displacement angles of the layers at the performance points are compared and contrasted between the shear walls with no openings and openings and different sizes of openings. Impact, as well as the realization of multi-line defense of various structures. The results show that the safety of the frame-shear structure designed according to China’s code can be guaranteed under the earthquake; the frame-joint shear wall structure has obvious internal force redistribution under the earthquake, but the shear wall is always the main anti-vibration Side force structure. The result of this study is of guiding significance to the structural design.