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Title: Seismic response of subsystems in irregular buildings
Authors: Kasinos, Stavros
Palmeri, Alessandro
Lombardo, Mariateresa
Keywords: Dynamics
Mathematical modelling
Seismic engineering
Issue Date: 2016
Publisher: © ICE Publishing
Citation: KASINOS, S., PALMERI, A. and LOMBARDO, M., 2016. Seismic response of subsystems in irregular buildings. Proceedings of the ICE - Structures and Buildings, 169 (8), pp. 643-654.
Abstract: The component-mode synthesis method is applied to investigate the seismic response of secondary subsystems multi-connected to primary structures with irregularities. The proposed approach is more accurate than the cascade approximation, often used in the design practice, as the primarysecondary dynamic interaction is considered through the modes of vibration of the two components. The results of parametric analyses on a representative case study reveal similar trends in the displacements of the two components for mass irregularities in elevation, while sti ness irregularities in plan can result in significant torsional motion in both components, with the effects in terms of absolute accelerations being in general larger than those associated with the lateral drifts. This suggests that dynamic analyses with the component-mode synthesis method are particularly indicated for the seismic assessment of acceleration-sensitive secondary subsystems.
Description: Permission is granted by ICE Publishing to print one copy for personal use. Any other use of these PDF files is subject to reprint fees.
Version: Published version
DOI: 10.1680/jstbu.15.00032
URI: https://dspace.lboro.ac.uk/2134/20993
Publisher Link: http://dx.doi.org/10.1680/jstbu.15.00032
Appears in Collections:Published Articles (Architecture, Building and Civil Engineering)

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