| 摘要 |
PROBLEM TO BE SOLVED: To provide a floor-supporting vibration absorbing tool improving the interruption performance of a floor impulsive sound while capable of being applied to a low floor, and a floor structure. SOLUTION: A dynamic damper 30 includes: a beam member 32; a mounting member 34; and a mass body 40. The beam member 32 is formed in a long-shaped plate form, can be deformed elastically and is arranged in the direction along the underside of a foundation panel 14A at a distance δ with the foundation panel 14A. The mass body 40 is mounted at the front end 32A of the beam member 32. COPYRIGHT: (C)2010,JPO&INPIT |
