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A stone column is often used technology of a ground improvement. The design of stone columns is still based on experiences and empirical computational methods. The most important properties of stone column are unit weight of a soil, relative density, strength and deformation properties. The total resistance and deformation of stone column is also significantly affected by properties of the original subsoil. The article deals with determination of the relative density of the stone columns by using the in пїЅ situ t...

The determination of a stone column resistance and deformation is often based on empirical correlations, in пїЅ situ tests and previous experiences in similar geological conditions. In last decade, the stone columns are also designed using a numerical modelling пїЅ usually by finite element method (FEM). The most important parameters of a stone column are the unit weight which corresponding to the relative density, effective angle of shears strength and deformation modulus. Last but not least properties of the ori...