The thesis discusses reinforcement principles and advantages of dynamic compaction method,explores judgment criteria and influential factors of effective reinforcement depth,and briefly comparatively analyzes effective reinforcement depth calculating methods,with a view to play certain guiding role for applying dynamic compaction method in foundation treatment.%对强夯法的加固原理和优越性进行了论述，探讨了有效加固深度的判断标准和影响因素，并对有效加固深度的计算方法进行了简要的对比分析，以期为地基处理中强夯法的运用起到一定的参考作用。
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