强夯中满夯夯击能的确定方法

Determination Method of Tamping Energy of Full Tamping in Dynamic Compaction

该文分析了满夯夯击能确定的理论依据,并进行了公式推导。以某电厂储灰场进行的强夯试夯施工为实例,采用二维动力有限元法进行了验证。得出满夯夯击能除与点夯的间距、布点方式有关外,更主要的是与土的剪切破坏角、夯坑深度有关,为今后类似工程的设计及施工提供了很好的借鉴,有一定的工程意义。

This article analyses the theoretical basis of tamping energy determination of full tamping,and the formula deduction is carried out. Taking the test compaction of dynamic compaction engineerings of the ash storage in a power plant as an example,and the two-dimensional dynamic finite element method（ FEM） is used to verify. It shows the tamping energy of full compaction not only relates to the distance and layout mode of point tamping,but also mainly relates to the shear failure angle of soil and depth of tamping pit. It provides good reference for the design and construction of similar projects in the future,and it has certain engineering significance.