Abstract
Abstract The dynamic compaction method was used to analyze the consolidation of a railway foundation. Based on the physical characteristics of sands, the parameters of an extended model were proposed by the soil tests. Such model is powerful for investigations of mechanical behaviour of sands under the dynamic compactions. By comparing with experimental results, it is indicated that the dynamic compaction was an effective method for understanding the consolidation of railway foundations. So, the numerical model based on the infinite element analysis was very significant for the practical conditions without the boundary reflection under the dynamic compactions.
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