Seismic Response of Light Attachments to Buildings
Villaverde-Lazo, Roberto
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https://hdl.handle.net/2142/66880
Description
Title
Seismic Response of Light Attachments to Buildings
Author(s)
Villaverde-Lazo, Roberto
Issue Date
1980
Department of Study
Civil Engineering
Discipline
Civil Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Civil
Language
eng
Abstract
A simple approximate method is proposed to compute the maximum response of light secondary systems attached to buildings subjected to earthquakes. The method is derived by considering that a secondary system and its supporting primary structure form a single assembled system, and by applying a modified version of the response spectrum technique to such an assembled system. It is formulated in terms of the dynamic properties of independent primary and secondary systems and of the response spectra of a specified ground motion, is developed for the analysis of any multi-degree of freedom secondary system attached to one or two arbitrary points of a multi-degree of freedom primary structure, and may be applied for secondary systems in resonance with their supporting systems. It is restricted, however, to those cases in which the independent primary and secondary systems are linear elastic systems with classical modes of vibration and the masses of the secondary system are small in comparison with the masses of its primary structure.
The accuracy of the method is verified by means of a comparative study with time-history solutions. In this comparative study, the proposed approximate procedure yields, on the average, errors of no more than about 7%.
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