A circular shear panel damper which can safely reinforce a structure from an external force applied to the structure as in an earthquake. A cylindrical main body, upper and lower coupling portions provided on an upper portion and a lower portion of the main body for coupling the main body to a structure or a damping rod coupled to the structure, and the main body A disc-shaped holding panel provided inside and having an outer diameter corresponding to the inner diameter of the main body is provided. [Selection] Figure 4
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