Seismic Response of Open Soft Storey High Rise Building

Abstract

In Indian cities, soft first storeys are a typical feature of modern multistorey structures. Emerging economies like India continue to construct a large number of multistorey buildings with soft floorseven though these buildings are inherently prone to toppling following an earthquake. The technical community's admonition against such structures is outweighed by the practical and social necessity to have open stories at different levels of the structure for workplaces and parking spaces at ground level. Because of the availability of fast computers, the use of software in civil engineering has considerably reduced the complexity of various areas in project analysis and design. The findings of an investigation into the seismic behaviour of soft-storey structures under seismic loading utilizing a variety of models (Bare frame, Infill frame, Bracing frame, Shear wall frame) are presented in this study. It is demonstrated that providing a variety of models improves the structure's resistive performance when compared to the soft storey.