| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce propagation of vibration to a floor material of a vibration backup plate floor through a floor material of a vibrating floor. <P>SOLUTION: A vibration-proofing stud 10 includes a stud 12 made of H-shaped steel, ant the stud 12 is disposed between the floor face of an installation floor and a slab side member 30 of an upper story. The stud 12 has a length shorter by the length L than the bottom end face of the slab side member 30, and a backup plate member 14 is joined to the top end of the flange 12. The backup plate member 14 is formed in an angle shape, and a through hole 26 for a bolt 18 functioning as a connection member with the slab side member 30 is provided vertically in a horizontal section 14H. The backup plate member 14 is opposed to the bottom face 30D of the slab side member 30 with a gap S. A rubber washer 23 is inserted between the top section 19 of the bolt 18 and the horizontal section 14H. The deformation quantity of the rubber washer 23 is controlled by the tightening level of a nut 20 to control the rigidity of connection between the slab side member 30 and the backup plate member 14. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
