| 摘要 |
PROBLEM TO BE SOLVED: To provide a vibration control ceiling structure and vibration control suspension hardware, having both vibration control performance and earthquake-resistant performance, and capable of restraining swinging in the horizontal direction of a ceiling backing.SOLUTION: Vibration control suspension hardware 20 comprises a bottomed cylindrical housing 21, a suspension bolt locking member 31 provided in an upper part of the housing 21, a first vibration control material 41 stored inside the housing 21 and a penetration bolt 51 reaching a ceiling backing 3 from the first vibration control material 41, and the penetration bolt 51 penetrates through the first vibration control material 41 and a bottom plate part 22a of the housing 21, and a first flange part 52 locked on an upper surface of the first vibration control material 41 is provided in an upper end part of the penetration bolt 51, and a second flange part 53 is provided in a part of projecting downward from the housing 21 among the penetration bolt 51, and a second vibration control material 43 is interposed between the second flange part 53 and the bottom plate part 22a of the housing 21. |
