| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an effective and appropriate vibration control structure which allows X-shaped braces installed in the skeleton frame of a building to also function as a vibration control damper so as to have an excellent vibration control effect. <P>SOLUTION: Two diagonal members 5 are crossed in an X-shaped form in a skeleton frame 1, so that X-shaped braces 4 are installed for actuating as a damper resulting from interlaminar deformation in the skeleton frame. The X-shaped braces are composed of the diagonal members of which central parts are crossed in the X-shaped form in a laminated state enabling relative rotation and relative displacement. A viscoelastic body 6 is inserted into the crossed part. Each of the diagonal members has a significantly different axial rigidity at both ends such that the axial rigidity at one end is relatively higher than the axial rigidity at the other end. It is also preferable that pretension is introduced into each of the diagonal members. <P>COPYRIGHT: (C)2013,JPO&INPIT |
