A composite pile for civil engineering uses

The utility model discloses a composite pile for civil engineering uses, including a composite pile, hydraulic stem and expansion plate, the 2nd composite pile is installed to a composite pile's below, and a composite pile's left side is fixed with the pivot, the below of pivot is provided with the support column, and the below of going up the support column installs damping spring, damping spring's below is fixed with first recess, and the below of first recess is provided with the bottom suspension dagger, PMKD is installed on the right side of bottom suspension dagger, the left side of hydraulic stem is fixed with the 2nd composite pile, and the 2nd composite pile's the scaled line of surface mosaic, the below of expansion plate is fixed with the second recess, and the lug is installedto the below of second recess. This a composite pile for civil engineering uses is provided with a composite pile and the 2nd composite pile, through a composite pile and the 2nd composite pile's unsmooth connection, and high