| 摘要 |
PROBLEM TO BE SOLVED: To provide an effective and proper damping mechanism that effectively dampens the vibration of various structures (floor and beam of a building for example) with a simple structure. SOLUTION: This vibration damping mechanism A is provided between two structures (floors 1, 2) that are vibrated relatively in the directions of contacting or separating from each other and reduces the relative vibration in the direction of contacting or separating from each other that occurs to those structures, and is structured with a rotational inertia mass damper 3, which is connected to either one of the structures, and a plate material 4 as a spring element, which is connected in series to the mass damper and connected to the other structure. The center portion of the plate material is connected to the mass damper, and both end portions of the plate material to the other structure. The positions of the connection points of both end portions of the plate material are made variable, so that the rigidity of the plate material is adjusted by adjusting the distance between both connection points. As a damping element 14, a viscoelastic material is laminated integrally on the plate material. COPYRIGHT: (C)2009,JPO&INPIT |
