A simple formula for the estimation of pore pressures and their dissipation |
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| Authors: | Arnold Verruijt |
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| Institution: | University of Delft, The Netherlands |
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| Abstract: | In the soil underneath a heavy structure pore water pressures may be generated by the loads on the structure. Such pore pressures lead to a reduction of the effective stresses, and therefore may influence the stability of the structure. The paper describes the mechanisms involved in the generation and dissipation of pore pressures. Analytical solutions of the complete problem are applicable only to very simple conditions, so that usually recourse has to be made to numerical methods. In order to check the validity of such solutions a simplified analytical method may be used. The establishment of such a simplified solution is illustrated in the paper. The approach provides the possibility of evaluating the influence of the various parameters involved in describing the problem. The simplified solution in principle applies to a wide class of three-dimensional problems, for which the progress of the consolidation process can be estimated. |
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