Abstract
AbstractMost significant modern development in construction methods, materials, structural system and analytical methods for analysis and design aided the growth of high-rise structures. In recent times, various structural systems like shear wall system, braced frame system, framed tube system and Diagrid structural system are used in high-rise structures for resisting lateral loads, structural performance and aestheticism. Framed tube system consists of closely spaced exterior column in outer perimeter which forms a tube-like structure which resists lateral load and the inner core resists gravity loads. In Framed tube system, there is a problem of shear lag in the exterior column that can be reduced by replacing the Diagrid elements. In Diagrid tube system, the outer perimeter consists of inclined diagonal elements, which resists both gravity and lateral loads. Diagrid structure involves simple construction techniques. The paper presents the seismic behaviour of the Diagrid tube system comparing with framed tube system with various parameters such as displacement, drift, stiffness, etc., using analytical software ETABS.KeywordsDiagridFramed tube systemGravity loadsLateral loadsSeismic
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