Research On Seismic Behavior Of Frame Shear Wall Structure With Inclined Column Transfer

The acceleration of modernization will lead to a sharp increase in urban population.People's demand for multi-functional building structure and novel building structure is increasing day by day.However,traditional single form buildings can not meet people's demand.Therefore,many buildings with unique shape begin to appear one after another,among which buildings with inclined column conversion structure are adopted Because of its unique shape,strong visual impact,and the city's novelty requirements,it has been more and more widely used in the design of building structures.Although the layout form of inclined column transfer structure can meet the needs of urban characteristics,and also meet the requirements of architects for the diversity of facade and building functions,the building with inclined column transfer structure is easy to cause stress concentration and weak parts due to its irregular vertical height direction.Therefore,it is necessary to study the mechanical performance of inclined column transfer structure Further research and data support are needed.Based on a project in Shenzhen,This paper studies the influence of different layout of inclined column transfer structure on building structure by using SAP2000 finite element analysis software and PKPM analysis software:(1)Analyze the domestic and foreign research related to inclined column conversion,and briefly explain the type of conversion layer and design principles;(2)Established a frame-shear wall structure model without inclined column conversion structure and three frame-shear wall structure models with inclined column conversion structure,and compared and analyzed the natural vibration period values of the four models and the period ratios of different models by modal analysis method;(3)The four models established are studied and analyzed by the mode decomposition response spectrum method,and the influence of the setting of the inclined column conversion structure on the inter-story displacement angle,inter-story shear and interstory lateral stiffness ratio under frequent earthquakes is analyzed;(4)Perform nonlinear time-history analysis on the four established models,and analyze the influence of the setting of the inclined column conversion structure on the base shear force,the maximum displacement at the apex and the displacement angle between floors under rare earthquakes;(5)The non-linear static analysis is performed on the four established models,the maximum base shear force and the maximum vertex displacement at the performance point are analyzed,and the hinge out sequence and failure mechanism of the structure are analyzed.