The results show that it is feasible to use FEM to analyze the stability of the metallic support.

结果表明，利用有限元法分析巷道金属支架的稳定性是可行的。

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This paper uses dynamic contact FEM to analyze impact and collision course of dynamic compaction to foundation soil.

本文采用动力接触有限元法分析了强夯对地基土的冲击碰撞过程。夯击过程中，夯点周边地基土存在局部大变形现象。

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Uses dynamic contact FEM to analyze impact and collision of hammer to foundation soil in the dynamic compaction, establishes the contact relation between dynamic contact force and speed.

采用动力接触有限元法分析强夯中夯锤对地基土的冲击碰撞过程，建立动接触力与速度之间的接触关系式。

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