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Title: Discussion on several basic parameters in the study of seismic torsional effects of asymmetric structures
Authors: Dai, JW
Zhang, MZ
Wong, YL
Keywords: Determination of stiffness
Earthquake simulation test
Stiffness eccentricity
Strength eccentricity
Issue Date: 2002
Publisher: 中国学术期刊(光盘版)电子杂志社
Source: 地震工程與工程振動 (Earthquake engineering and engineering vibration), 2002, v. 22, no. 6, p. 38-43 How to cite?
Journal: 地震工程與工程振動 (Earthquake engineering and engineering vibration) 
Abstract: According to vibration observation from real building structures and modal test results in earthquake simulation tests, this paper indicates that the traditional elastic analysis based on the stiffness determination directly from the geometric dimensions of structural members can only provide a kind of idealized theoretical estimation for the elastic response of structures. Further more, a kind of more realistc approach was developed for the determination of the structural stiffness relying on the strength and yiled deformation of structural members and the relationship between the strength eccentricity and the stiffness eccentricity was also studied. As a result, it was found that the stiffness eccentricity can not be selected randomly by researchers because it is strongly dependent on the strength eccentricity in most study cases for torsional effects of asymmetric building structures.
ISSN: 1000-1301
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