Earthquake Induced Interaction Between
RC Frame And Steel Frame Structures
Author(s)
M. J. Favvata, M. C. Naoum & C. G. Karayannis
Abstract
Dynamic step by step analyses are performed for the study of the structural
pounding between a reinforced concrete (RC) frame structure and a steel (ST)
frame structure. The examined RC frame is designed to Eurocodes EC2 and EC8
and the ST frame to EC3 and EC8. Both structural systems have ten (10) floor
levels. The adjacent structures have non-equal inter-storey height at the base
floor and therefore an inter-storey pounding problem takes place. The slabs of
the ST structure hit the columns of the RC frame structure and the slabs of the
RC frame hit the columns of the ST frame. The seismic response of the
structures without the pounding effect is also studied and compared to the
corresponding demands that are developed due to the interaction problem.
Results in terms of displacements, ductility requirements, flexural demands and
shear demands, have shown that in situations where pounding may occur, the
potential effects may lead to non-safe building design or evaluation for both
structures. Thus, in cases where inter-storey pounding takes place and, especially
for the columns of both RC and ST frames that suffer the hit critical increase of
the shear and ductility demands, are observed due to the interaction effect.
Keywords: steel structure, reinforced concrete structure, structural pounding,
inter-storey pounding, shear demands, ductility requirements, seismic analysis.
Keywords
steel structure, reinforced concrete structure, structural pounding,inter-storey pounding, shear demands, ductility requirements, seismic analysis
Related Book
Other papers in this volume
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