A time-history analysis was conducted of the dynamic characteristics of the mode of single lime-soil compaction pile and soil in a dark canal located in a collapsible loess foundation and the results indicated that under a horizontal earthquake load, the top of the pile had the biggest displacement. The study of whether the soil and soil can produce a pile group effect and of the changing rule of the node’s displacement and stress under the interaction between the pile group and soil can provide certain references and also a good theoretical basis for an analyisi of the interaction of the pile and soil in upper dark canal structure.
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