Comparative Analysis of Multi Storey Buildings with Seismic and Pushover Methods
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 6
Abstract
With the immense loss of life and property witnessed in the last couple of decades alone in India, due to failure of structures caused by earthquakes, attention is now being given to the evaluation of strength in framed steel structures to resist strong ground motions. Pushover analysis has been the favoured method for seismic performance evaluation due to its simplicity. It is a static analysis that directly incorporates nonlinear material characteristics. The structure has been evaluated using equivalent static analysis & pushover Analysis, the latter is a non-linear static procedure, which may be considered as a series of static analysis carried out to develop a pushover curve for the building. The pushover curve is generated by pushing the top node of structure to the predefined base shear and setting appropriate performance criteria. The roof displacement and the base shear for the structure is calculated by the linearization of the obtained pushover curve according to ASCE 41-06. In this project work, a comparative study has been carried out between equivalent static analysis and pushover analysis with the help of structural analysis and design program (STAAD.Pro V8i). Analysed results have been compared with bending moment, shear force, maximum displacement and story displacement.
Authors and Affiliations
Chetan Sharma, R. K. Dixit
Keywords
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