Patent ID: 6840017

Claim:
A vibration-damped structure comprising: a column for supporting the vertical load of a structure; a vibration damping means juxtaposed to a side surface of said column; and upper and lower connecting means for connecting said vibration damping means to a ceiling girder side and a floor girder side, respectively, said vibration damping means including a box member having an opening at its upper portion and a bottom wall plate at its lower portion and connected at said bottom wall plate to said floor girder side by means of said lower connecting means; a resistance plate extending in and outside said box member through the opening of said box member and connected at its portion located outside said box member to said ceiling girder side by means of said upper connecting means; and a viscous material filled in a gap between said box member and a portion of said resistance plate located within said box member, and said box member having a pair of wide side wall plates secured to said bottom wall plate, one of said wide side wall plates being disposed such that its wide surface opposes the side surface of said column with a gap.