Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/45916
標題: A viscoelastic model for the dynamic response of soils to periodical surface water disturbance
作者: Hsieh, P.C.
謝平城
關鍵字: viscoelasticity;poroelastic material;water waves;soft poroelastic bed;layer correction approach;porous-media;finite;thickness;waves;behavior;propagation
Project: International Journal for Numerical and Analytical Methods in Geomechanics
期刊/報告no:: International Journal for Numerical and Analytical Methods in Geomechanics, Volume 30, Issue 12, Page(s) 1201-1212.
摘要: 
In many instances soils can be assumed to behave like viscoelastic materials during loading/unloading cycles, and this study is aimed at setting up a viscoelastic model to investigate the dynamic response of a porous soil layer of finite thickness under the effect of periodically linear water waves. The waves and homogeneous water are described by potential theory and the porous material is described by a viscoelastic model, which is modified from Biot's poroelastic theory (1956). The distributions of pore water pressures and effective stresses of various soils such as silt, sand, and gravel are demonstrated by employing the proposed viscoelastic model. The discrepancies of the dynamic response between the simulations of viscoelastic model and elastic model are found to be strongly dependent on the wave frequency. Copyright (C) 2006 John Wiley & Sons, Ltd.
URI: http://hdl.handle.net/11455/45916
ISSN: 0363-9061
DOI: 10.1002/nag.519
Appears in Collections:水土保持學系

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