Shock insulation structure and design method thereof

The invention discloses a shock insulation structure, and particularly relates to the technical field of civil engineering shock insulation, the shock insulation structure comprises a concrete box, a concrete cap, a low-rigidity rubber bearing, a steel cylinder and a metamaterial envelope layer, the concrete box is of a four-side hollow square column structure, and the concrete cap comprises two cubic flat plates which are arranged up and down and are the same in shape; the low-rigidity rubber bearing is located between the steel cylinder and the concrete cap, the diameter of the steel cylinder is the same as that of the low-rigidity rubber bearing, the side face of the steel cylinder is evenly wrapped with the metamaterial envelope layer, and the metamaterial envelope layer is made of negative Poisson's ratio materials. The negative Poisson's ratio local resonance type resonators are invented by utilizing the characteristics that negative Poisson's ratio metamaterials have good damping and energy absorption