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SUSTAINABILITY ANALYSIS OF THE TALL ASYMMETRICAL BUILDINGAuthors: Pallavi Ravishankar,Neelima Satyam Conference: International Conference on Sustainable Civil Infrastructure Location Hitex, Hyderabad, Telangana, India. Date: 2014-10-17 Report no: IIIT/TR/2014/91 AbstractIn recent scenario to develop a sustainable infrastructure considering the earthquake as a devastating force has become increasingly challenging due to the complexity lies with design and analysis (Envision, 2012). The sustainability of the buildings can be achieved by considering the effect of soil structure interaction in the analysis as it captures the wave attenuation, soil vibration and inertial vibration of the superstructure. In these research paper tall asymmetric buildings is considered for sustainability analysis as tall structures experience more risk during the earthquakes due to the effect of attenuation of earthquake waves and local site response which get transferred to the structure and vice versa (Ming, 2010). This can be well explained by the Dynamic Soil Structure Interaction (DSSI) analysis. In the present study 150 m tallgeometrically asymmetrical building with two different foundation systems including raft and pile supported on a homogeneous sandy soil strata is analyzed against the dynamic loading for Bhuj ground motion (2001, M= 7.7). The response of structure in terms of SSI parameters against dynamic loading for a given foundation systems has been studied and compared to understand the soil structure interaction for the tall structures. It has been clearly identified that the displacement at top is more than that at bottom of the building and stresses are more at immediate soil layer under foundation than the below layers . Full paper: pdf Centre for Earthquake Engineering |
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