The Influence Of P-A Effects On Seismic Response Of RC Fiamed Structures
Author(s)
M. De Stefano, R. Nudo, S. Viti
Abstract
The influence of P-A effects on seismic
response of RC framed structures
M. De Stefeno, R. Nudo & S. Viti
Department of Constructions, University of Florence, Italy
Abstract
This paper shows results from a numerical investigation carried out in order to
evaluate the influence of II order effects on seismic response of RC framed
structures designed according to the Eurocode 8 specifications. The study,
performed assuming hysteretic models characterized by different levels of
accuracy, has revealed more significant effects induced by geometric non-
linearities in the case of systems subjected to relatively high plastic demands. In
the presence of stiffness and strength cyclic deterioration, which affects seismic
response of RC structures, P-A effects become significant, leading to
amplification of interstorey drifts beyond the so-called 'operational' limit
performance.
1 Introduction
It is well known that the Eurocode 8 (ECS) [1] is based on design principles
aimed at
Keywords
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