A damper for energy dissipation, including a core plate, at least four restrain plates and at least four connecting plates. The connecting plates are provided on two ends of the core plate, and the restrain plates are provided on middle of the core plate. The core plate is provided with a first hole, a second hole and a third hole. The connecting plate includes a first plate body and a second plate body connected with an end thereof. A first fastener passes through the first hole to connect the first plate body with the core plate. A second fastener passes through the second hole to connect the second plate body with the core plate. A third fastener passes through the third hole to connect the restrain plate with the core plate. The second plate body is located between two restrain plates.
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