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