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http://dx.doi.org/10.5050/KSNVN.2004.14.3.230

Free Vibrations of Circular Strip Foundations with Variable Breadth  

Lee, Byong-Koo (원광대학교 토목환경도시공학부)
Huh, Young (수원대학교 토목공학과)
Lee, Jong-Kook (원광대학교 대학원 토목환경공학과)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.14, no.3, 2004 , pp. 230-235 More about this Journal
Abstract
This paper deals with the free vibration analysis of circular strip foundations with the variable breadth. Taking into account effects of both rotatory inertia and shear deformation, differential equations governing free vibrations of such foundations are derived. The Winkler foundation is chosen as the model of soil foundation. The breadth of strip foundation is assumed to be a linear function. The differential equations are solved numerically to calculate natural frequencies. In numerical examples, the strip foundations with the hinged-hinged, hinged-clamped. clamped-hinged and clamped-clamped end constraints are considered. The parametric studies are conducted and the lowest four frequency parameters are reported in figures as the non-dimensional forms.
Keywords
Free Vibration; Natural Frequency; Strip Foundation; Variable Breadth; Winkler Foundation;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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