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|Title:||Simple formulations of ground impedance functions for rigid surface foundations||Authors:||Nogami, T.
|Issue Date:||6-Jul-2001||Citation:||Nogami, T., Konagai, K., Mikami, A. (2001-07-06). Simple formulations of ground impedance functions for rigid surface foundations. Soil Dynamics and Earthquake Engineering 21 (6) : 475-484. ScholarBank@NUS Repository. https://doi.org/10.1016/S0267-7261(01)00029-X||Abstract:||A differential equation is formulated for the dynamic response of ground medium by using a simplified ground model. Applying Galerkin's procedure for weighted residual, this equation leads to a governing equation only at the ground surface. The equation indicates that the ground surface behavior can be computed even further by a simplified model. By solving the governing equation for the boundary conditions along the surface, expressions in simple closed forms are developed for the dynamic response analysis of a massless rigid foundation that rests on the ground surface. Despite their significant simplicity, the developed expressions compute the values very close to those computed by far more complex rigorous solutions. They are found to be capable of capturing the important characteristics of the dynamic ground behavior well. © 2001 Published by Elsevier Science Ltd.||Source Title:||Soil Dynamics and Earthquake Engineering||URI:||http://scholarbank.nus.edu.sg/handle/10635/66165||ISSN:||02677261||DOI:||10.1016/S0267-7261(01)00029-X|
|Appears in Collections:||Staff Publications|
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