Comparative Study on Dynamic Behavior of Different Lateral Load Resisting System
Keywords:
Dynamic analysis, Passive dampers, Fluid viscous dampers, Energy dissipation, Lateral load resisting system, ETABS.Abstract
During April 2015 Nepal Earthquake, many elevated buildings in urban areas collapsed and suffered wide spread damages. After the earthquake observations shows many deficiencies in these structures including non-adoption of seismic engineering practices and lack of seismic resistant features. By adopting energy absorbing devices the seismic performance of building can be improved, which may be active or passive in nature. Active controls do not found much application due to its high cost and large instrumentation set up. Whereas, passive control systems for example, base isolation, dampers, bracing systems etc, are found to be easy to install and cost effective as compared to first one. Use of passive dampers is now a day becoming cost effective solution for improve seismic performance of existing as well as new buildings. This review paper is focussed on Energy dissipation system provided by fluid Viscous Dampers (FVD). In this paper, an attempt has been made for comparative study on dynamic behaviour of different lateral load resisting system. For that the analysis of models with bracing, with damper, and BF of different numbers of storey in bhuj time history has been done in ETABS software.
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