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Vertical radiation damping for a circular footing resting on a simple layered half-space
AbstractAn analytical development is carried out to roughly calculate the soil radiation damping for a rigid circular foundation subjected to the action of a vertical harmonic load of fixed amplitude. The foundation is considered to be resting on an elastic layer of constant thickness, which in turn rests on an elastic half-space (simple layered half-space). This method gives the conventional radiation damping ratio (D) as a function of that between the layer thickness and the foundation radius, Poisson ratio and layer and half-space mechanical impedances. Although some mathematics are implicit in the text, the results are presented graphically to simplify their use for design and practical purposes.
Vertical radiation damping for a circular footing resting on a simple layered half-space
AbstractAn analytical development is carried out to roughly calculate the soil radiation damping for a rigid circular foundation subjected to the action of a vertical harmonic load of fixed amplitude. The foundation is considered to be resting on an elastic layer of constant thickness, which in turn rests on an elastic half-space (simple layered half-space). This method gives the conventional radiation damping ratio (D) as a function of that between the layer thickness and the foundation radius, Poisson ratio and layer and half-space mechanical impedances. Although some mathematics are implicit in the text, the results are presented graphically to simplify their use for design and practical purposes.
Vertical radiation damping for a circular footing resting on a simple layered half-space
Navarro, C. (author)
Soil Dynamics and Earthquake Engineering ; 11 ; 249-253
1992-02-03
5 pages
Article (Journal)
Electronic Resource
English
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