CRS nested three-dimensional periodic seismic isolation foundation

The utility model discloses a CRS nested type three-dimensional periodic seismic isolation foundation which comprises a seismic isolation foundation body, the seismic isolation foundation body is arranged at the bottom end of a building, the seismic isolation foundation body comprises a plurality of structural unit cells, the seismic isolation foundation body is formed by outward periodic continuation of the structural unit cells in the x, y and z vertical directions, the structural unit cells are cuboids with the side length being 2 m and the thickness being 1 m, and the structural unit cells are rectangular structures with the side length being 2 m and the thickness being 1 m. Each structural unit cell comprises an outer wrapping layer, an inner wrapping layer and a core, the inner wrapping layer is arranged in the center of the interior of the outer wrapping layer, the core is arranged in the center of the interior of the inner wrapping layer, the outer wrapping layer is a concrete sleeve layer, the inner