The objective of this paper is to improve assembled of bracing with U-shaped steel plates, and prove that the bracing with U-shaped steel plates exhibit energy dissipation, fatigue resistance and stability. The following results are obtained: (1) after improve assembled of bracing with U-shaped steel plates, it can be increase the axial stiffness, energy dissipation, and excellent hysteretic loop. (2) For this assembled induce a friction, which can he increase dissipating energy. (3) Fatigue test result that a fatigue resistance depends on curvature of U-shape steel plates. (4) The maximum axial load from present test is higher than that from suggested by Kelly.
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