| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a simple vibration control structure of a building capable of effectively performing a vibration control action by energy absorption in an earthquake while exhibiting the assured initial rigidity. Ž<P>SOLUTION: A U-shaped elastoplastic damper 8 disposed between an upper restraining section 6 and a lower restraining section 7 is brought into such an attitude that one of the opposed side sections 8a, 8b is positioned on the upper side, the other is positioned on the lower side, and the U-shaped curved section 8b is positioned on the left or right side. The upper opposed side section 8a extends along the lower surface of the upper restraining section 6, and the top end thereof is connected to the upper restraining section 8. The lower opposed side section 8a extends along the upper surface of the lower restraining section 7, and the top end thereof is connected to the lower restraining section 7. By the inter-layer displacement, the U-shaped elastoplastic damper 8 is so elastoplastically deformed that the position of the curved section 8b is moved while the vertical deformation of the damper is restrained by both restraining surfaces of the upper and lower restraining sections 6, 7, whereby energy is absorbed. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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