How will a structure perform when subjected to a given level of earthquake? 1.Definition of structural performance 2.Definition of earthquake level 3.Determination of performance level Methods used for Obtaining Capacity of Structures 1.Linear Static Analysis 2.Linear Dynamic Analysis 3.Non linear Static Analysis(Pushover Analysis) 4.Non linear Dynamic Analysis The need to improve seismic performance of the built environment through the development of performance-oriented procedures and guidelines has been recently highlighted.