ABSTRACT

In the paper a comprehensive, though relatively simple non-linear method for the seismic damage analysis of structures (the N2 method) is described. The basic features of the method are: the use of two separate mathematical models, the application of the response spectrum approach, and the pushover analysis. The method yields results of reasonable accuracy provided that the structure oscillates predominantly in the first mode. As an example for the application of the method a four-story reinforced concrete frame building is analyzed.