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| An approach for determining dynamic flexibility of layered nonhomogeneous soil foundation |
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| DOI：10.7511/jslx19981011 |
| KeyWord:layered nonhomogeneous, soil foundation, dynamic flexibility, equivalent method |
| Lou Menglin |
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| Abstract: |
| \ \ A new approach is introduced for obtaining the dynamic flexibility of soil layer with variable physical parameters. In the approach, the basic idea is that the layer is equivalent to a homogeneous layer with same depth. Therefore, the analytical solutions of wave equation for the homogeneous soil layer can be easily applied to the nonhomogeneous soil layer. The equivalent principles are applied to both of the static deformation and the foundational shear mode of the layers. A brief evaluation method for the first mode of the nonhomogeneous soil layer is also suggested. The numerical examples show the approach has good precision. |
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