COMPARISON OF METHODS USED FOR SEISMIC ANALYSIS OF STRUCTURES

Petr Čada, Jiří Máca

Abstract


This paper investigates effects of the seismic load to a structure. The article describes main methods of the definition and practical application of the seismic load based on the Standard Eurocode 8. There was made a comparison of all methods using the same structure. A simple two-storeyed concrete 2D-frame with fixed joints was chosen. A one another model with rigid beams for some calculations was defined. The second model can be used for hand-calculations as a cantilever with two masses. The paper describes main dynamic properties of the chosen structure. Seismic load was defined by lateral force method, modal response spectrum, non-linear time-history analysis and pushover analysis. The time-history analysis is represented by accelerograms. There were made linear and non-linear calculations.

Keywords


seismic response, lateral force method, response spectrum, time-history analysis, pushover

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ISSN 2336-5382 (Online)
Published by the Czech Technical University in Prague