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Experiment Study and Nonlinear Analysis of a New Skip-Floor Staggered Shear Wall Structure for High-Rise Buildings

A new tall building structure is presented -- skip-floor staggered shear wall structure. According to the result of nonlinear analysis and experiment study, this new structural system has good economic benefits and better structural behavior. In order to study its spatial nonlinear properties, based on a 3D nonlinear FEM analysis model, the 3D seismic nonlinear analysis is provided by considering both spatial effect and influence of slab and connecting beam. It shows, compared with traditional coupled shear wall structure, the skip-floor staggered shear wall structure has superiority in many respects, such as providing bigger space and lateral stiffness, reducing seismic force, etc. Therefore, this new structural system has wide applications.