Abstract

According to the current DBN, it is possible to apply the nonlinear static analysis based on the load-bearing capacity spectrum method. This analysis is allocated by essential simplicity in comparison with the direct dynamic method and also possibility of application as its alternative, considering necessity of application of a direct dynamic method also for buildings (constructions) of the responsibility class SS2. At the same time the complete nonlinear static analysis is also enough complex and sensitive to possible errors in modelling, after all it needs creation of nonlinear model of entire building. Aggregate points of analysis on seismic influences by the spectral method and the nonlinear static analysis (on the basis of the method of bearing capacity spectrum) according to the current DBN allow to execute the last (nonlinear static analysis) with proved simplifications regarding creation of spectrum load-bearing capacity diagram for constructive system on the basis of results conditionally linear spectral analysis.

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