Seismic Analysis of High-Rise RCC Building Structure with Steel Outriggers and Belt Truss System
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Abstract
In the last five years, it has been observed that high-rise buildings are built utilizing outrigger beams & truss and belt truss for transferring lateral load induced due to earthquakes and wind load. But as the height of the building increases, stiffness becomes important and the outrigger system provides lateral stiffness to the building. In this research, the high-rise RCC Structure with steel outrigger and belt truss system are provided at various positions along the height of the structure. And analyzed using linear method & non-linear method.
The modelling and analysis of the RCC building provided with an X-type & V-type bracing systems are carried out with ETABS software. The main aim of the research is to model a 40-story building to identify the optimum location of the outrigger under earthquake load. The key parameters discussed are lateral displacement, base shear and story drift. It is concluded that X-type bracings are more effective.