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Seismic response of light equipment in torsional buildings

✍ Scribed by Yeong-Bin Yang; Wei-Hsi Huang

Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
858 KB
Volume
22
Category
Article
ISSN
0098-8847

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✦ Synopsis

Abstract

This paper attempts to study the response of light equipment items attached to a multi‐storey building that may be subjected to large torsional deformations during the earthquake excitation. To account for the effect of torsion and translation, each storey of the building is modelled as two degrees of freedom (DOFs), with one DOF for translation and the other for torsion. Perturbation techniques are employed to find closed‐form expressions for the modal properties of the combined system in terms of the properties of the individual subsystems. The interaction between the equipment and building is studied for both tuned and detuned modes of vibration. Modal synthesis results obtained using the present technique based on the complete quadratic combination (CQC) method are compared with solutions obtained by other methods.

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