On The Pushover Analysis As A Method For
Evaluating The Seismic Response Of RC Buildings
Author(s)
P. P. Diotallevi & L. Landi
Abstract
The purpose of this work was to compare the non-linear pushover and dynamic
methods of analysis. Pushover analyses of a RC building were performed
considering different load distributions and incremental dynamic analyses were
carried out considering a large number of earthquake motions. Then several
simplified non-linear procedures based on the pushover analysis were applied in
order to assess their capability in the prediction of the seismic demand.
Keywords: non-linear dynamic analysis, pushover analysis, RC buildings,
Eurocode 8, simplified non-linear methods.
1 Introduction
In the practical design applications the evaluation of seismic response is usually
based on linear elastic structural behaviour. However this approach may be not
effective in limiting the damage levels of the buildings. To this purpose more
accurate methods of analyses, which can predict the real behaviour under strong
seismic actions, are required. The non-linear dynamic analysis is the most
rigorous method, but it is still too complex for design use. The non-linear static
pushover analysis seems to be a more rational method for estimating the lateral
strength and the distribution of inelastic deformations. In the last years several
simplified non-linear procedures [1] were developed in order to predict the
seismic demand by using the results of pushover analysis. These methods were
also implemented in recent guidelines [2, 3] based on the new performance-based
engineering concepts.
In the present research the pushover analysis was applied for studying the
response of a RC building. Pushover analyses were performed considering
different load distributions and incremental dynamic analyses were carried out
Keywords
non-linear dynamic analysis, pushover analysis, RC buildings,
Eurocode 8, simplified non-linear methods.
Related Book
Other papers in this volume
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