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介绍了国内外有关规范对板柱连接侧向变形性能的相关规定,并对其差异进行了比较,讨论了重力荷载对板柱连接抗震性能的影响,结合国内外有关文献试验成果,提出了基于我国规范的板柱连接重力剪力比限值条件,通过工程算例和结构弹性分析,指出重力荷载对板柱结构的抗震性能有较大的影响,在板柱-剪力墙结构的分析设计中,不仅需要考察板柱连接的承载力,同时还应通过限制重力剪力比来控制其极限变形。
The relevant regulations of lateral and lateral deformation of plate-column connections at home and abroad are introduced and their differences are compared. The influence of gravity load on the anti-seismic performance of plate-column connections is discussed. Based on the relevant domestic and international experimental results, Through the engineering example and structural elasticity analysis, it is pointed out that the gravity load has a great influence on the seismic performance of the slab-column structure. In the analysis and design of the column-column-shear wall structure , It is not only necessary to study the bearing capacity of plate column connection, but also to control its ultimate deformation by limiting the gravity shear ratio.