Performance Evaluation of Reinforced Concrete Frame Structure

Abstract

The Earthquake in 2005 has destroyed a large part of the Khyber Pakhtunkhwa Province (Pakistan) and Kashmir which has created questions regarding the adequacy of framed structures in order to resist strong motions, as due to this earthquake many buildings were damaged badly or were devastated. In order to evaluate the framed structure’s performance under future expected earthquakes, a non-linear static analysis i.e. Push over analysis has been carried out. So for achieving our objective of analysing the framed structure’s performance under seismic loading, a 4 storey’s framed structure was selected and analysed. From the results that were obtained from this study shows that the framed structures which are properly designed under gravity will perform in a safe zone under seismic loading. Certain response parameters predicted by each pushover analysis which were obtained from Gravity & Earthquake load patterns were analysed and compared with each other for differences. The observations made from the current study clearly showed that pushover analysis results depend on three factors i.e. 1-the load path, 2-structure properties and 3-features of the ground motion. The response parameters were estimated by applying the displacement of target at the control node. The accuracy of the predictions depends mainly on the approximations involved in the theory of the procedures, structural properties and features of ground motion.